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• Survey: Your Plans for Adopting New Firefox Releases?

  - by Steven Chan (Oracle Development)

  Mozilla is committing to releasing new Firefox versions every six weeks.  Mozilla released Firefox 5 this week.  With this release, Mozilla states that Firefox 4 is End-of-Life and will not receive any additional security updates.  In a comment thread posted on to a Mike Kaply's blog article discussing these new Firefox policies, Asa Dotzler from Mozilla stated: ... Enterprise has never been (and I’ll argue, shouldn’t be) a focus of ours. Until we run out of people who don’t have sysadmins and enterprise deployment teams looking out for them, I can’t imagine why we’d focus at all on the kinds of environments you care so much about.  In a later comment, he added: ... A minute spent making a corporate user happy can better be spent making many regular users happy. I’d much rather Mozilla spending its limited resources looking out for the billions of users that don’t have enterprise support systems already taking care of them. Asa then confirmed that every new Firefox release will put the previous one into End-of-Life: As for John’s concern, “By the time I validate Firefox 5, what guarantee would I have that Firefox 5 won’t go EOL when Firefox 6 is released?” He has the opposite of guarantees that won’t happen. He has my promise that it will happen. Firefox 6 will be the EOL of Firefox 5. And Firefox 7 will be the EOL for Firefox 6.  He added: “You’re basically saying you don’t care about corporations.” Yes, I’m basically saying that I don’t care about making Firefox enterprise friendly. Kev Needham, Channel Manager at Mozilla later stated to PC Mag: The Web and Web browsers continue to evolve rapidly. Mozilla's focus is on providing users with the best Web experience possible, and Firefox needs to evolve at the pace the Web's users and developers expect. By releasing small, focused updates more often, we are able to deliver improved security and stability even as we introduce new features, which is better for our users, and for the Web.We recognize that this shift may not be compatible with a large organization's IT Policy and understand that it is challenging to organizations that have effort-intensive certification polices. However, our development process is geared toward delivering products that support the Web as it is today, while innovating and building future Web capabilities. Tying Firefox product development to an organizational process we do not control would make it difficult for us to continue to innovate for our users and the betterment of the Web.  Your feedback needed for E-Business Suite certifications  Mozilla's new support policy has significant implications for enterprise users of Firefox with Oracle E-Business Suite.  We are reviewing the implications for our certification and support policies for Firefox now.  It would be very helpful if you could let me know about your organisation's plans for Firefox in light of this new information.  Please feel free to drop me a private email, or post a comment here if that's appropriate. 

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• Criteria for selecting timeout value?

  - by stijn

  Situation: a piece of software reads frames of data from a file in a seperate thread and puts it on a queue, emptied by another thread. That second thread periodically checks on the queue and fails rather gracefully, by showing an error message stating the read timed out, if no data is available within a certain amount of time. Initially this timeout was set to 200mSec. There was no real reasoning behind that constant though, but it worked fine. We measured on a couple of machines and for large data frames, larger than what would be used by customers, a read took like 20mSec whith no other load on the machine. However one customer now gets timeout errors now and then (on the second try all is fine, probably the file is in cache or the virus scanner leaves it alone). The programmers are like 'well, yeah, but that customer's machine is full of cruft, virus scanners, tons of unneeded background processes etc'. Of course the customer is like 'hey this should just work, shouldn't it'? While the programers have a point, since the software is heavy enough to validate the need for a dedicated machine, that does not make the customer happy. Increasing the timeout to 2 seconds, for example, solves the problem. But I'd like to make a proper decision now instead of just randomly pick some magic constant that is probably ok in 99% of cases. What criteria should be used for that? We could just pick a large number, but that feels wrong. (and then we end up with a program that has the horrible bahaviour of hanging when trying to read from a disconnected drive for instance, whereas we'd rather make it show an error right away). Or we could make the timeout value a user setting, but then we need to ducument it clearly and even then not all customers are tech savy enough to really understand what it does. Or we could try and wait until another customer reports timeouts and increase the value again. And again. Until we find something ok for 99.99% of the cases.. Any good practice for this type of situation?

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• Best Advice Ever: Learn By Helping Others

  - by Argenis

  I remember when back in 2001 my friend and former SQL Server MVP Carlos Eduardo Rojas was busy earning his MVP street-cred in the NNTP forums, aka Newsgroups. I always thought he was playing the Sheriff trying to put some order in a Wild Wild West town by trying to understand what these people were asking. He spent a lot of time doing this stuff – and I thought it was just plain crazy. After all, he was doing it for free. What was he gaining from all of that work? It was not until the advent of Twitter and #SQLHelp that I realized the real gain behind helping others. Forget about the glory and the laurels of others thanking you (and thinking you’re the best thing ever – ha!), or whatever award with whatever three letter acronym might be given to you. It’s about what you learn in the process of helping others. See, when you teach something, it’s usually at a fixed date and time, and on a specific topic. But helping others with their issues or general questions is something that goes on 24x7, on whatever topic under the sun. Just go look at sites like DBA.StackExchange.com, or the SQLServerCentral forums. It’s questions coming in literally non-stop from all corners or the world. And yet a lot of people are willing to help you, regardless of who you are, where you come from, or what time of day it is. And in my case, this process of helping others usually leads to me learning something new. Especially in those cases where the question isn’t really something I’m good at. The delicate part comes when you’re ready to give an answer, but you’re not sure. Often times I’ll try to validate with Internet searches and what have you. Often times I’ll throw in a question mark at the end of the answer, so as not to look authoritative, but rather suggestive. But as time passes by, you get more and more comfortable with that topic. And that’s the real gain.  I have done this for many years now on #SQLHelp, which is my preferred vehicle for providing assistance. I cannot tell you how much I’ve learned from it. By helping others, by watching others help. It’s all knowledge and experience you gain…and you might not be getting all that in your day job today. Such thing, my dear reader, is invaluable. It’s what will differentiate yours amongst a pack of resumes. It’s what will get you places. Take it from me - a guy who, like you, knew nothing about SQL Server.

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• How to enable and connect to RDP on a Windows Azure Web Role Instance?

  - by Enrique Lima

  We all know there have been some updates to Windows Azure, and one of the biggest I would say is the capability of being able to remote into the “OS level” of the image running a role.  And I am not talking about VM Role, I am talking about a Web Role for example. As developers we use Visual Studio, and when we are getting ready to deploy a project, we have the option of enabling this. Here is how: 1.  We publish our Project 2. On the Deployment dialog, provide all the details for your account, and before clicking OK, click on Configure Remote Desktop connections. 3.  Enable connections and the rest of the configuration.  Now, here is where there is an extra set of steps.  The first thing to know: The certificate used here is different from the other certs you have in place.  I created a new one, the went into certmgr.msc, then to Personal, then I selected the cert I just created.  Did a right-click, then All Tasks > Export.  Because what is needed is a pfx package, make sure when exporting you select to export the private key. 4. Click OK, on the Remote Desktop Configuration screen, now before you click OK on the Deployment, you will need to visit the Azure Portal. And perform the following: Go to your hosted services. Then with the service available, select the Certificates folder location. Then, select Add Certificate from the toolbar (more like Azure Portal Ribbon) Provide the details to upload the recently create pfx file. That will create the Certificate. Click OK on the deployment dialog, this kick off the deployment process. 5. Now, we need to go to the Windows Azure Portal.  Here we will select the Web Role deployed and Configure RDP. 6. Time to test.  Click on the Instance (not the role), this will make the Remote Access Connect Button available.  A file will start the process to be downloaded too 7. You will then be prompted for the credentials you configured. 8.  Validate connectivity … 9. Open IIS Manager … From here on, this is a way to manage and work with your Instance.

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• Creating classed in JavaScript

  - by Renso

  Goal:Creating class instances in JavaScript is not available since you define "classes" in js with object literals. In order to create classical classes like you would in c#, ruby, java, etc, with inheritance and instances.Rather than typical class definitions using object literals, js has a constructor function and the NEW operator that will allow you to new-up a class and optionally provide initial properties to initialize the new object with.The new operator changes the function's context and behavior of the return statement.var Person = function(name) {   this.name = name;};   //Init the personvar dude= new Person("renso");//Validate the instanceassert(dude instanceof Person);When a constructor function is called with the new keyword, the context changes from global window to a new and empty context specific to the instance; "this" will refer in this case to the "dude" context.Here is class pattern that you will need to define your own CLASS emulation library:var Class = function() {   var _class = function() {      this.init.apply(this, arguments);   };   _class.prototype.init = function(){};   return _class;}var Person a new Class();Person.prototype.init = function() {};var person = new Person;In order for the class emulator to support adding functions and properties to static classes as well as object instances of People, change the emulator:var Class = function() {   var _class = function() {      this.init.apply(this, arguments);   };   _class.prototype.init = function(){};   _class.fn = _class.prototype;   _class.fn.parent = _class;   //adding class properties   _class.extend = function(obj) {      var extended = obj.extended;      for(var i in obj) {         _class[i] = obj[i];      };      if(extended) extended(_class);   };   //adding new instances   _class.include = function(obj) {      var included = obj.included;      for(var i in obj) {         _class.fn[i] = obj[i];      };      if(included) included(_class);   };   return _class;}Now you can use it to create and extend your own object instances://adding static functions to the class Personvar Person = new Class();Person.extend({   find: function(name) {/*....*/},      delete: function(id) {/*....*/},});//calling static function findvar person = Person.find('renso');   //adding properties and functions to the class' prototype so that they are available on instances of the class Personvar Person = new Class;Person.extend({   save: function(name) {/*....*/},   delete: function(id) {/*....*/}});var dude = new Person;//calling instance functiondude.save('renso');

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• ??????????????JSF2????Web????????????Java Developers Workshop 2012 Summer????

  - by ???02

  ???WebLogic Server 12c?????Java EE 6????1???Web??????????????????????JavaServer Faces 2(JSF2)????????????????????????????????????????8???????Java Developers Workshop 2012 Summer??????????????????Java?????????????(Fusion Middleware????????)????????????????(???) JSF2??10?????AJAX??Web?????????????? ?????? Fusion Middleware???????? ???Java?????????????? Java EE 6????Web?????????????·????????????JSF2??Struts???Java EE???????Web????????·????????????????????????????????????????JSF2????????????Web??????????????UI??????????????????????????? ??????????Java EE?????????????????????????????????Java EE 6?JSF2??????????????????“????????”?????????????Java EE 6???????????????????????JSF2????????·???????????????????????????????????????????????????????? ??????????????GlassFish????????NetBeans???????????????????????????????????????11??????????????????????????????????????????(???)???? ???????????????????Web?????????????????????????????????????????????????????????????? ????AJAX???????????????????????????????????????????????????·????????????????????????? ????????????????NetBeans???????????????????????????????????????????????????·?????????????????????????????????????????????? ???????????????????????JSF2?????????AJAX???????????·??????????????????????????????????????????????????????????????Web????????????????????AJAX????????????JSF???????????1?????????? ?Java EE????????????????????????????Java EE 6??AJAX??????????????????????????????????????XML???????????NetBeans?????IDE???????????????????????????????????(???) ???????·?????????????????????? JSF 2????????????????????????Web??????(?????)?????????????????????????????3???????????? ??????????Visual Basic?JavaFX?????????????·????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????? JSF2???MVC??????HTTP???????????????????Controller???Faces Servlet?????View?????XHTML??????Model?????Managed Bean????????????? ?????View???????????JavaServer Pages(JSP)?????????????????????XHTML????????????????View???????????????????????JSP????Scriptlet???????????????????????????????????????????????????? JSF2???View?Model??????????????????????????????????????????????????????????? ?????????JSF2????????1???HTML???Web????????????????????????JSF???Web????????????????????????????????????????HTML????????????????????????HTML 4.0?DHTML???????????????????????JavaScript??????????????????????JavaScript???????????Web?????????resources???????????????????????JSF2?????????????????Web??????????????? ????????????????????????????????????????????????·???????Web?????????????????????????????????????? ?????????????????????????????????????????????????????????????????????????? ????JSF???????????????????????????????????????????? ????JSP?????????????????????????????????????????????????????HTML????Web??????????????????????????????????JSP?Web???????????????????????????????????????????????????XHTML????JSF????????View???JSF2?????????????????????????????????????/??????????? JSF???????????????? ????????????????????????JSF?????????????????????????????????JSF2????????????????????????????????????? Web?????????????????XHTML????????JSF?Facelets?Web???(View)???UIComponent?????????? ??View?????????????????????????????View(UIComponent???)?????? ??????View?????????????????????? ???????????????Bean Validation????????????????????? ???JSF2??@FacesValidator??????????????????????????????????????????????????Validator?implements??????validate????????????????????????????????????????????????? ????????????????Model?POJO????????????????ManagedBean?JPA Entity?????????Value?????????????????????????Component??????????????????Component?????????????????1????????????????????????????????????????????? JSF2??????????????????JSF 1.2???????????·????XML?????????????????JSF2?????????????????????????????????????????????????????????? ???JSF???Web?????????????????????ManagedBean?CDI(Contexts and Dependency Injection)???POJO????????????????????????????????????????????????????????????????????????ManagedBean???????????????????????????????????????????????????????????????????????? ??????????????????????JSF???????????????????????????????????????JSF2??????????????????????????????????????????????? ????????????????JSF?Web??????????????????????????????????????·????????????????????????????JSF????????????????????????????????????????????????????????????????

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• what persistence layer (xml or mysql) should i use for this xml data?

  - by fayer

  i wonder how i could store a xml structure in a persistence layer. cause the relational data looks like: <entity id="1000070"> <name>apple</name> <entities> <entity id="7002870"> <name>mac</name> <entities> <entity id="7002907"> <name>leopard</name> <entities> <entity id="7024080"> <name>safari</name> </entity> <entity id="7024701"> <name>finder</name> </entity> </entities> </entity> </entities> </entity> <entity id="7024080"> <name>iphone</name> <entities> <entity id="7024080"> <name>3g</name> </entity> <entity id="7024701"> <name>3gs</name> </entity> </entities> </entity> <entity id="7024080"> <name>ipad</name> </entity> </entities> </entity> as you can see, it has no static structure but a dynamical one. mac got 2 descendant levels while iphone got 1 and ipad got 0. i wonder how i could store this data the best way? what are my options. cause it seems impossible to store it in a mysql database due to this dynamical structure. is the only way to store it as a xml file then? is the speed of getting information (xpath/xquery/simplexml) from a xml file worse or greater than from mysql? what are the pros and cons? do i have other options? is storing information in xml files, suited for a lot of users accessing it at the same time? would be great with feedbacks!! thanks! EDIT: now i noticed that i could use something called xml database to store xml data. could someone shed a light on this issue? cause apparently its not as simple as just store data in a xml file?

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• How do I install and use the cli53 tools on Windows?

  - by pavlos

  I'm trying to find the simplest way to import a large number of BIND zone files in to Route 53. I've had a quick look at the AWS CLI and AWS Tools for Windows PowerShell but they don't seem to include a zone file import option like the AWS Route53 GUI does. The cli53 utility on the other hand does, but is written in Python and appears to have a series of pre-requisites to get going which I'm having troubles working out for Windows. I can find plenty of examples of setting it up under Linux but only one reference to a PowerShell example here, but it doesn't explain how to install cli53 in the first place. The other option I'm exploring is to use the BIND to Amazon Route 53 Conversion Tool perl script to first convert the zone files to the Route53 CreateHostedZoneRequest XML format and then use the AWS New-R53HostedZone PowerShell cmdlet to import the zones. After the zones have been imported I'll be looking at running a script to validate what has been created in Route53 matches with the existing nameserver prior to updating each domains nameserver records - I was planning on whipping something up using the new PS4.0 Resolve-DnsName cmdlet, but let me know if you have any better suggestions. Any assistance would be greatly appreciated - thanks. (By the way, I had more reference links in my post but ServerFault won't allow me to post more than 2 links being a new member; and for this same reason I also can't comment on Vasili's example in the other linked thread)

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• Ierrs on Network Interface - Pfsense/Freebsd

  - by JFA

  Hello all, We're using PfSense as an internal router/firewall (no connection to WAN). Using the Web-GUI, under Status --- Interfaces, there's one particular interface where I have some errors: In/out errors 3513/0 I then SSHed to the firewall to validate the info provided by the WebGUI and here's the output: # netstat -ni -I bce2 Name Mtu Network Address Ipkts Ierrs Opkt Oerrs Coll bce2 1500 <Link#3> 00:23:7d:cd:a2:a2 1404522323 3513 749797131 0 0 bce2 1500 10.42.1.0/24 10.42.1.24 6 - 6 - - As you can see, both present the same info (errors on incoming packets). I switched cables, changed network card, changed port on switch and I still see the errors. My 2 questions really are: 1) Is there any way I could get more info on the nature of these errors? or is this all I can get? 2) Should I be worried about this? As you can see, the errors are a VERY LOW percentage of all the total incoming packets. In other words, is this normal on a high-traffic gigabit interface? Thanks! JFA

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• bonding module parameters are not shown in /sys/module/bonding/parameters/

  - by c4f4t0r

  I have a server with Suse 11 sp1 kernel 2.6.32.54-0.3-default, with modinfo bonding i see all parameters, but under /sys/module/bonding/parameters/ not modinfo bonding | grep ^parm parm: max_bonds:Max number of bonded devices (int) parm: num_grat_arp:Number of gratuitous ARP packets to send on failover event (int) parm: num_unsol_na:Number of unsolicited IPv6 Neighbor Advertisements packets to send on failover event (int) parm: miimon:Link check interval in milliseconds (int) parm: updelay:Delay before considering link up, in milliseconds (int) parm: downdelay:Delay before considering link down, in milliseconds (int) parm: use_carrier:Use netif_carrier_ok (vs MII ioctls) in miimon; 0 for off, 1 for on (default) (int) parm: mode:Mode of operation : 0 for balance-rr, 1 for active-backup, 2 for balance-xor, 3 for broadcast, 4 for 802.3ad, 5 for balance-tlb, 6 for balance-alb (charp) parm: primary:Primary network device to use (charp) parm: lacp_rate:LACPDU tx rate to request from 802.3ad partner (slow/fast) (charp) parm: ad_select:803.ad aggregation selection logic: stable (0, default), bandwidth (1), count (2) (charp) parm: xmit_hash_policy:XOR hashing method: 0 for layer 2 (default), 1 for layer 3+4 (charp) parm: arp_interval:arp interval in milliseconds (int) parm: arp_ip_target:arp targets in n.n.n.n form (array of charp) parm: arp_validate:validate src/dst of ARP probes: none (default), active, backup or all (charp) parm: fail_over_mac:For active-backup, do not set all slaves to the same MAC. none (default), active or follow (charp) in /sys/module/bonding/parameters ls -l /sys/module/bonding/parameters/ total 0 -rw-r--r-- 1 root root 4096 2013-10-17 11:22 num_grat_arp -rw-r--r-- 1 root root 4096 2013-10-17 11:22 num_unsol_na I found some of this parameters under /sys/class/net/bond0/bonding/, but when i try to change one i got the following error echo layer2+3 > /sys/class/net/bond0/bonding/xmit_hash_policy -bash: echo: write error: Operation not permitted

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• Validating signature trust with gpg?

  - by larsks

  We would like to use gpg signatures to verify some aspects of our system configuration management tools. Additionally, we would like to use a "trust" model where individual sysadmin keys are signed with a master signing key, and then our systems trust that master key (and use the "web of trust" to validate signatures by our sysadmins). This gives us a lot of flexibility, such as the ability to easily revoke the trust on a key when someone leaves, but we've run into a problem. While the gpg command will tell you if a key is untrusted, it doesn't appear to return an exit code indicating this fact. For example: # gpg -v < foo.asc Version: GnuPG v1.4.11 (GNU/Linux) gpg: armor header: gpg: original file name='' this is a test gpg: Signature made Fri 22 Jul 2011 11:34:02 AM EDT using RSA key ID ABCD00B0 gpg: using PGP trust model gpg: Good signature from "Testing Key <[email protected]>" gpg: WARNING: This key is not certified with a trusted signature! gpg: There is no indication that the signature belongs to the owner. Primary key fingerprint: ABCD 1234 0527 9D0C 3C4A CAFE BABE DEAD BEEF 00B0 gpg: binary signature, digest algorithm SHA1 The part we care about is this: gpg: WARNING: This key is not certified with a trusted signature! gpg: There is no indication that the signature belongs to the owner. The exit code returned by gpg in this case is 0, despite the trust failure: # echo $? 0 How do we get gpg to fail in the event that something is signed with an untrusted signature? I've seen some suggestions that the gpgv command will return a proper exit code, but unfortunately gpgv doesn't know how to fetch keys from keyservers. I guess we can parse the status output (using --status-fd) from gpg, but is there a better way?

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• Verification of files on backup media - after the backup

  - by Greg Sansom

  I have a system in place where I back up my work files daily to a portable hard drive. I actually have two portable hard drives - one is stored off-site and I swap them regularly. I also keep my family photos and other historical files backed up, but I only back the photos up occasionally (ie when I have new photos). The backup media is for backup only, and it is unlikely I will ever read the files from the backup media unless a disaster occurs and I lose the master. It worries me that my backed up files could become corrupt without me knowing it. It is also feasible that my master files could become corrupt, and eventually the corrupt files would be replicated to the backup media. I'm currently using Cobian Backup, but I'm open to alternatives. Is there a tool I can use to confirm that the backed up files are identical to the files that were first copied? I know it would be possible to generate a checksum and periodically validate the backup files against the original checksum, but I'm looking for a tool which will do this automatically.

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• BPM Suite 11gR1 Released

  - by Manoj Das

  This morning (April 27th, 2010), Oracle BPM Suite 11gR1 became available for download from OTN and eDelivery. If you have been following our plans in this area, you know that this is the release unifying BEA ALBPM product, which became Oracle BPM10gR3, with the Oracle stack. Some of the highlights of this release are: BPMN 2.0 modeling and simulation Web based Process Composer for BPMN and Rules authoring Zero-code environment with full access to Oracle SOA Suite’s rich set of application and other adapters Process Spaces – Out-of-box integration with Web Center Suite Process Analytics – Native process cubes as well as integration with Oracle BAM You can learn more about this release from the documentation. Notes about downloading and installing Please note that Oracle BPM Suite 11gR1 is delivered and installed as part of SOA 11.1.1.3.0, which is a sparse release (only incremental patch). To install: Download and install SOA 11.1.1.2.0, which is a full release (you can find the bits at the above location) Download and install SOA 11.1.1.3.0 During configure step (using the Fusion Middleware configuration wizard), use the Oracle Business Process Management template supplied with the SOA Suite11g (11.1.1.3.0) If you plan to use Process Spaces, also install Web Center 11.1.1.3.0, which also is delivered as a sparse release and needs to be installed on top of Web Center 11.1.1.2.0 Some early feedback We have been receiving very encouraging feedback on this release. Some quotes from partners are included below: “I just attended a preview workshop on BPM Studio, Oracle's BPMN 2.0 tool, held by Clemens Utschig Utschig from Oracle HQ. The usability and ease to get started are impressive. In the business view analysts can intuitively start modeling, then developers refine in their own, more technical view. The BPM Studio sets itself apart from pure play BPMN 2.0 tools by being seamlessly integrated inside a holistic SOA / BPM toolset: BPMN models are placed in SCA-Composites in SOA Suite 11g. This allows to abstract away the complexities of SOA integration aspects from business process aspects. For UIs in BPMN tasks, you have the richness of ADF 11g based Frontends. With BPM Studio we architects have a new modeling and development IDE that gives us interesting design challenges to grasp and elaborate, since many things BPMN 2.0 are different from good ol' BPEL. For example, for simple transformations, you don't use BPEL "assign" any more, but add the transformation directly to the service call. There is much less XPath involved. And, there is no translation from model to BPEL code anymore, so the awkward process model to BPEL roundtrip, which never really worked as well as it looked on marketing slides, is obsolete: With BPMN 2.0 "the model is the code". Now, these are great times to start the journey into BPM! Some tips: Start Projects smoothly, with initial processes being not overly complex and not using the more esoteric areas of BPMN, to manage the learning path and to stay successful with each iteration. Verify non functional requirements by conducting performance and load tests early. As mentioned above, separate all technical integration logic into SOA Suite or Oracle Service Bus. And - share your experience!” Hajo Normann, SOA Architect - Oracle ACE Director - Co-Leader DOAG SIG SOA   "Reuse of components across the Oracle 11G Fusion Middleware stack, like for instance a Database Adapter, is essential. It improves stability and predictability of the solution. BPM just is one of the components plugging into the stack and reuses all other components." Mr. Leon Smiers, Oracle Solution Architect, Capgemini   “I had the opportunity to follow a hands-on workshop held by Clemens for Oracle partners and I was really impressed of the overall offering of BPM11g. BPM11g allows the execution of BPMN 2.0 processes, without having to transform/translate them first to BPEL in order to be executable. The fact that BPMN uses the same underlying service infrastructure of SOA Suite 11g has a lot of benefits for us already familiar with SOA Suite 11g. BPMN is just another SCA component within a SCA composite and can (re)use all the existing components like Rules, Human Workflow, Adapters and Mediator. I also like the fact that BPMN runs on the same service engine as BPEL. By that all known best practices for making a BPEL  process reliable are valid for BPMN processes as well. Last but not least, BPMN is integrated into the superior end-to-end tracing of SOA Suite 11g. With BPM11g, Oracle offers a very competitive product which will have a big effect on the IT market. Clemens and Jürgen: Thanks for the great workshop! I’m really looking forward to my first project using Oracle BPM11g!” Guido Schmutz, Technology Manager / Oracle ACE Director for Fusion Middleware and SOA, Company:  Trivadis Some earlier feedback were summarized in this post.

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• Vserver: secure mails from a hacked webservice

  - by lukas

  I plan to rent and setup a vServer with Debian xor CentOS. I know from my host, that the vServers are virtualized with linux-vserver. Assume there is a lighthttpd and some mail transfer agent running and we have to assure that if the lighthttpd will be hacked, the stored e-mails are not readable easily. For me, this sounds impossible but may I missed something or at least you guys can validate the impossibility... :) I think basically there are three obvious approaches. The first is to encrypt all the data. Nevertheless, the server would have to store the key somewhere so an attacker (w|c)ould figure that out. Secondly one could isolate the critical services like lighthttpd. Since I am not allowed to do 'mknod' or remount /dev in a linux-vserver, it is not possible to setup a nested vServer with lxc or similar techniques. The last approach would be to do a chroot but I am not sure if it would provide enough security. Further I have not tried yet, if I am able to do a chroot in a linux-vserver...? Thanks in advance!

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• TinyDNS and proper settings for SPF records

  - by Teddy

  I've inherited a TinyDNS configuration that have following entries for SPF: @domain.com:x.x.x.3:a::86400 @domain.com:x.x.x.103:c:10:86400 =domain.com:x.x.x.3:86400 =mail.domain.com:x.x.x.3:86400 =mail.domain.com:x.x.x.103:86400 'domain.com:v=spf1 ip4\072x.x.x.3 ip4\07231.130.96.103 ptr\072mail.domain.com +mx a -all:3600 'mail.domain.com:v=spf1 ip4\072x.x.x.3 ip4\072x.x.x.103 ptr\072mail.domain.com +mx a -all:3600 'a.mx.domain.com:v=spf1 ip4\072x.x.x.3 ip4\072x.x.x.103 ptr\072mail.domain.com +mx a -all:3600 This is the result from http://www.kitterman.com/spf/validate.html SPF record lookup and validation for: domain.com SPF records are primarily published in DNS as TXT records. The TXT records found for your domain are: v=spf1 ip4:x.x.x.3 ip4:x.x.x.103 ptr:mail.domain.com +mx a -all SPF records should also be published in DNS as type SPF records. No type SPF records found. Checking to see if there is a valid SPF record. Found v=spf1 record for domain.com: v=spf1 ip4:x.x.x.3 ip4:x.x.x.103 ptr:mail.domain.com +mx a -all evaluating... SPF record passed validation test with pySPF (Python SPF library)! I'm struggling with this from yesterday and cant figure it why this validator returns No type SPF records found. I see in BIND we cand define SPF type record with example.com. IN SPF "v=spf1 a -all", but in TinyDNS we only have TXT records that we set for SPF, maybe this is a problem?

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• SquidGuard and Active Directory: how to deal with multiple groups?

  - by Massimo

  I'm setting up SquidGuard (1.4) to validate users against an Active Directory domain and apply ACLs based on group membership; this is an example of my squidGuard.conf: src AD_Group_A { ldapusersearch ldap://my.dc.name/dc=domain,dc=com?sAMAccountName?sub?(&(sAMAccountName=%s)(memberOf=cn=Group_A%2cdc=domain%2cdc=com)) } src AD_Group_B { ldapusersearch ldap://my.dc.name/dc=domain,dc=com?sAMAccountName?sub?(&(sAMAccountName=%s)(memberOf=cn=Group_B%2cdc=domain%2cdc=com)) } dest dest_a { domainlist dest_a/domains urllist dest_b/urls log dest_a.log } dest dest_b { domainlist dest_b/domains urllist dest_b/urls log dest_b.log } acl { AD_Group_A { pass dest_a !dest_b all redirect http://some.url } AD_Group_B { pass !dest_a dest_b all redirect http://some.url } default { pass !dest_a !dest_b all redirect http://some.url } } All works fine if an user is member of Group_A OR Group_B. But if an user is member of BOTH groups, only the first source rule is evaluated, thus applying only the first ACL. I understand this is due to how source rule matching works in SquidGuard (if one rule matches, evaluation stops there and then the related ACL is applied); so I tried this, too: src AD_Group_A_B { ldapusersearch ldap://my.dc.name/dc=domain,dc=com?sAMAccountName?sub?(&(sAMAccountName=%s)(memberOf=cn=Group_A%2cdc=domain%2cdc=com)) ldapusersearch ldap://my.dc.name/dc=domain,dc=com?sAMAccountName?sub?(&(sAMAccountName=%s)(memberOf=cn=Group_B%2cdc=domain%2cdc=com)) } acl { AD_Group_A_B { pass dest_a dest_b all redirect http://some.url } [...] } But this doesn't work, too: if an user is member of either one of those groups, the whole source rule is matched anyway, so he can reach both destinations (which is of course not what I want). The only solution I found so far is creating a THIRD group in AD, and assign a source rule and an ACL to it; but this setup grows exponentially with more than two or three destination sets. Is there any way to handle this better?

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• Dynamic Bursting ... no really!

  - by Tim Dexter

  If any of you have seen me or my colleagues present BI Publisher to you then we have hopefully mentioned 'bursting.' You may have even seen a demo where we talk about being able to take a batch of data, say invoices. Then split them by some criteria, say customer id; format them with a template; generate the output and then deliver the documents to the recipients with a click. We and especially I, always say this can be completely dynamic! By this I mean, that you could store customer preferences in a database. What layout would each customer like; what output format they would like and how they would like the document delivered. We (I) talk a good talk, but typically don't do the walk in a demo. We hard code everything in the bursting query or bursting control file to get the concept across. But no more peeps! I have finally put together a dynamic bursting demo! Its been minutes in the making but its been tough to find those minutes! Read on ... It's nothing amazing in terms of making the burst dynamic. I created a CUSTOMER_PREFS table with some simple UI in an APEX application so that I can maintain their requirements. In EBS you have descriptive flexfields that could do the same thing or probably even 'contact' fields to store most of the info. Here's my table structure: Name                           Type ------------------------------ -------- CUSTOMER_ID                    NUMBER(6) TEMPLATE_TYPE                  VARCHAR2(20) TEMPLATE_NAME                  VARCHAR2(120) OUTPUT_FORMAT                  VARCHAR2(20) DELIVERY_CHANNEL               VARCHAR2(50) EMAIL                          VARCHAR2(255) FAX                            VARCHAR2(20) ATTACH                         VARCHAR2(20) FILE_LOC                       VARCHAR2(255) Simple enough right? Just need CUSTOMER_ID as the key for the bursting engine to join it to the customer data at burst time. I have not covered the full delivery options, just email, fax and file location. Remember, its a demo people :0) However the principal is exactly the same for each delivery type. They each have a set of attributes that need to be provided and you will need to handle that in your bursting query. On a side note, in EBS, you use a bursting control file, you can apply the same principals that I'm laying out here you just need to get the customer bursting info into the XML data stream so that you can refer to it in the control file using XPATH expressions. Next, we need to look up what attributes or parameters are required for each delivery method. that can be found in the documentation here.  Now we know the combinations of parameters and delivery methods we can construct the query using a series a decode statements: select distinct cp.customer_id "KEY", cp.template_name TEMPLATE, cp.template_type TEMPLATE_FORMAT, 'en-US' LOCALE, cp.output_format OUTPUT_FORMAT, 'false' SAVE_FORMAT, cp.delivery_channel DEL_CHANNEL, decode(cp.delivery_channel,'FILE', cp.file_loc , 'EMAIL', cp.email , 'FAX', cp.fax) PARAMETER1, decode(cp.delivery_channel,'FILE', c.cust_last_name||'_orders.pdf' ,'EMAIL','[email protected]' ,'FAX', 'faxserver.com') PARAMETER2, decode(cp.delivery_channel,'FILE',NULL ,'EMAIL','[email protected]' ,'FAX', null) PARAMETER3, decode(cp.delivery_channel,'FILE',NULL ,'EMAIL','Your current orders' ,'FAX',NULL) PARAMETER4, decode(cp.delivery_channel,'FILE',NULL ,'EMAIL','Please find attached a copy of your current orders with BI Publisher, Inc' ,'FAX',NULL) PARAMETER5, decode(cp.delivery_channel,'FILE',NULL ,'EMAIL','false' ,'FAX',NULL) PARAMETER6, decode(cp.delivery_channel,'FILE',NULL ,'EMAIL','[email protected]' ,'FAX',NULL) PARAMETER7 from cust_prefs cp, customers c, orders_view ov where cp.customer_id = c.customer_id and cp.customer_id = ov.customer_id order by cp.customer_id Pretty straightforward, just need to test, test, test, the query and ensure it's bringing back the correct data based on each customers preferences. Notice the NULL values for parameters that are not relevant for a given delivery channel. You should end up with bursting control data that the bursting engine can use:  Now, your users can run the burst and documents will be formatted, generated and delivered based on the customer prefs. If you're interested in the example, I have used the sample OE schema data for the base report. The report files and CUST_PREFS table are zipped up here. The zip contains the data model (.xdmz), the report and templates (.xdoz) and the sql scripts to create and load data to the CUST_PREFS table.  Once you load the report into the catalog, you'll need to create the OE data connection and point the data model at it. You'll probably need to re-point the report to the data model too. Happy Bursting!

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• JDK bug migration: components and subcomponents

  - by darcy

  One subtask of the JDK migration from the legacy bug tracking system to JIRA was reclassifying bugs from a three-level taxonomy in the legacy system, (product, category, subcategory), to a fundamentally two-level scheme in our customized JIRA instance, (component, subcomponent). In the JDK JIRA system, there is technically a third project-level classification, but by design a large majority of JDK-related bugs were migrated into a single "JDK" project. In the end, over 450 legacy subcategories were simplified into about 120 subcomponents in JIRA. The 120 subcomponents are distributed among 17 components. A rule of thumb used was that a subcategory had to have at least 50 bugs in it for it to be retained. Below is a listing the component / subcomponent classification of the JDK JIRA project along with some notes and guidance on which OpenJDK email addresses cover different areas. Eventually, a separate incidents project to host new issues filed at bugs.sun.com will use a slightly simplified version of this scheme. The preponderance of bugs and subcomponents for the JDK are in library-related areas, with components named foo-libs and subcomponents primarily named after packages. While there was an overall condensation of subcomponents in the migration, in some cases long-standing informal divisions in core libraries based on naming conventions in the description were promoted to formal subcomponents. For example, hundreds of bugs in the java.util subcomponent whose descriptions started with "(coll)" were moved into java.util:collections. Likewise, java.lang bugs starting with "(reflect)" and "(proxy)" were moved into java.lang:reflect. client-libs (Predominantly discussed on 2d-dev and awt-dev and swing-dev.) 2d demo java.awt java.awt:i18n java.beans (See beans-dev.) javax.accessibility javax.imageio javax.sound (See sound-dev.) javax.swing core-libs (See core-libs-dev.) java.io java.io:serialization java.lang java.lang.invoke java.lang:class_loading java.lang:reflect java.math java.net java.nio (Discussed on nio-dev.) java.nio.charsets java.rmi java.sql java.sql:bridge java.text java.util java.util.concurrent java.util.jar java.util.logging java.util.regex java.util:collections java.util:i18n javax.annotation.processing javax.lang.model javax.naming (JNDI) javax.script javax.script:javascript javax.sql org.openjdk.jigsaw (See jigsaw-dev.) security-libs (See security-dev.) java.security javax.crypto (JCE: includes SunJCE/MSCAPI/UCRYPTO/ECC) javax.crypto:pkcs11 (JCE: PKCS11 only) javax.net.ssl (JSSE, includes javax.security.cert) javax.security javax.smartcardio javax.xml.crypto org.ietf.jgss org.ietf.jgss:krb5 other-libs corba corba:idl corba:orb corba:rmi-iiop javadb other (When no other subcomponent is more appropriate; use judiciously.) Most of the subcomponents in the xml component are related to jaxp. xml jax-ws jaxb javax.xml.parsers (JAXP) javax.xml.stream (JAXP) javax.xml.transform (JAXP) javax.xml.validation (JAXP) javax.xml.xpath (JAXP) jaxp (JAXP) org.w3c.dom (JAXP) org.xml.sax (JAXP) For OpenJDK, most JVM-related bugs are connected to the HotSpot Java virtual machine. hotspot (See hotspot-dev.) build compiler (See hotspot-compiler-dev.) gc (garbage collection, see hotspot-gc-dev.) jfr (Java Flight Recorder) jni (Java Native Interface) jvmti (JVM Tool Interface) mvm (Multi-Tasking Virtual Machine) runtime (See hotspot-runtime-dev.) svc (Servicability) test core-svc (See serviceability-dev.) debugger java.lang.instrument java.lang.management javax.management tools The full JDK bug database contains entries related to legacy virtual machines that predate HotSpot as well as retired APIs. vm-legacy jit (Sun Exact VM) jit_symantec (Symantec VM, before Exact VM) jvmdi (JVM Debug Interface ) jvmpi (JVM Profiler Interface ) runtime (Exact VM Runtime) Notable command line tools in the $JDK/bin directory have corresponding subcomponents. tools appletviewer apt (See compiler-dev.) hprof jar javac (See compiler-dev.) javadoc(tool) (See compiler-dev.) javah (See compiler-dev.) javap (See compiler-dev.) jconsole launcher updaters (Timezone updaters, etc.) visualvm Some aspects of JDK infrastructure directly affect JDK Hg repositories, but other do not. infrastructure build (See build-dev and build-infra-dev.) licensing (Covers updates to the third party readme, licenses, and similar files.) release_eng (Release engineering) staging (Staging of web pages related to JDK releases.) The specification subcomponent encompasses the formal language and virtual machine specifications. specification language (The Java Language Specification) vm (The Java Virtual Machine Specification) The code for the deploy and install areas is not currently included in OpenJDK. deploy deployment_toolkit plugin webstart install auto_update install servicetags In the JDK, there are a number of cross-cutting concerns whose organization is essentially orthogonal to other areas. Since these areas generally have dedicated teams working on them, it is easier to find bugs of interest if these bugs are grouped first by their cross-cutting component rather than by the affected technology. docs doclet guides hotspot release_notes tools tutorial embedded build hotspot libraries globalization locale-data translation performance hotspot libraries The list of subcomponents will no doubt grow over time, but my inclination is to resist that growth since the addition of each subcomponent makes the system as a whole more complicated and harder to use. When the system gets closer to being externalized, I plan to post more blog entries describing recommended use of various custom fields in the JDK project.

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• Saving a file in a CSV type in Excel always removes the BOM

  - by rickp

  I've been trying to find a reasonable solution/explanation (unsuccessfully) to find out why Excel defaults to removing the BOM when saving a file to the CSV type. Please forgive me if you find this a duplicate of this question. This handles reading CSV files with non-ASCII encoding, but it doesn't cover saving the file back out (which is where the biggest issue lies). Here is my current situation (which I'm going to gather is common among localized software dealing with Unicode characters and a CSV format): We export data to a CSV format using UTF-16LE, ensuring the BOM is set (0xFFFE). We validate after the file is generated with a Hex editor to ensure it was set correctly. Open the file in Excel (for this example we're exporting Japanese characters) and witness that Excel handles loading the file with the correct encoding. Attempts to save this file will prompt you with a warning message indicating that the file may contain features that may not be compatible with Unicode encoding, but asks if you'd like to save anyway. If you select the Save As dialog, it will immediately ask you to save the file as "Unicode Text" rather than CSV. If you select the "CSV" extension and save the file it removes the BOM (obviously along with all the Japanese characters). Why would this happen? Is there a solution to this problem, or is this a known 'bug'/limitation of Excel? Additionally (as a side issue) it appears that Excel, when loading UTF-16LE encoded CSV files, only uses TAB delimiters. Again, is this another known 'bug'/limitation of Excel?

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• Verify client certificate CN in Tomcat(APR)

  - by Petter

  I'm running a tomcat installation with the APR libraries installed (with the OpenSSL HTTPS stack that comes with it). What I'm trying to do is to lock a specific HTTPS connector down to users of a specific certificate. Adding client certificate verification is no issue, but I can't get it to validate against a specific Common name only. I was perhaps a bit naïve and thought the mod_ssl attribute SSLRequire typically used in Apache Httpd would work, but that property is not recognized by the Tomcat implementation. (http://tomcat.apache.org/tomcat-7.0-doc/config/http.html#SSL%20Support points to some mod_ssl docs, but the Tomcat implementation does not seem to cover all aspects of mod_ssl). I can get this to work by using the Java version of the connector instead of APR (losing some performance) and just add a trust store with that one certificate in it. However, using openssl without the SSLRequire expressions, I'm not sure how to do this with Tomcat7 (on Windows if that matters). <Connector protocol="HTTP/1.1" port="443" maxThreads="150" scheme="https" secure="true" SSLEnabled="true" SSLCertificateFile="mycert.pem" SSLCertificateKeyFile="privkey.pem" SSLCACertificateFile="CABundle.pem" SSLVerifyClient="require" SSLProtocol="TLSv1" SSLRequire="(%{SSL_CLIENT_S_DN_CN} eq &quot;host.example.com&quot;)"/> Can you suggest a way to make this work using Tomcat/APR/OpenSSL?

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• VPN - local and remote networks IP collision

  - by Guido García

  I have created a VPN connection in Windows using the New Network Connection wizard that comes with Windows. It works without problems in most places, but there is one concrete place where, despite the connection to the remote public IP works fine, it is not able to validate the login/password and establish the VPN connection. In this place, the network is 10.0.0.x (the same I use in other places where I am able to connect). The remote network is 192.168.x.x, so I suspect there is some kind of IP collision, because before connecting, a traceroute to i.e. 192.168.0.40 does not fail. 1 4 ms 1 ms 1 ms LINKSYS [10.0.0.1] 2 5 ms 1 ms 1 ms 172.26.27.1 3 4 ms 5 ms 3 ms 192.168.1.100 ... (more) I can't modify the local network further than the first router (10.0.0.1). That is the only different I've found so far. Any idea about how to solve it? Thank you.

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• What could cause TFTP reloaded Cisco `running-config` on 871 to fail?

  - by xtian

  Cisco CCP Write Configuration borked my 871w config while I was trying to setup port forwarding. I went through the basic steps to reconfig the router. I looked to see if I could just reset the router. Nope. I tested the 871's flash memory with fsck to see if there was hardware failure. Nope. Then I rewrote the minimal config for TFTP (which is the same for Cisco's CCP app.). Thne, I successfully uploaded a previously working running-config from Win Vista using SolarWinds TFTP Server, unfortunately the restore was not entirely successful. The old running config was saved to the 871's startup-config and I can login using console port. Some other things that are working are the hostname and welcome message but that's about it. Startup shows an error SETUP: new interface NVI0 placed in "shutdown" state after tftp. The missing light on the access point modem for ethernet link show the 871'a outside FE4 is not working. SO...what's the possible problem with reloading a previously working config (approximately 4 months with the same config) via TFTP? Is there something I can look for on the 871 to verify the config? Or on Vista to validate the config file itself before I transfer it? Or, is this there a common TFTP issue? UPDATE. I missed the instruction from Cisco's TFTP page to delete aaa lines from the config (although a video from a SuperUser user didn't make this point in his most excellent demo). There were several lines of this sort, I deleted them and uploaded again. However, they're back. I assume they're added automatically? [nope, see answer] UPDATE 2. The reload of previous settings was successful, but this error remains. I don't even know now if it was there before or not. It seems irrelevant to the question.

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• PostgreSQL user authentication against PAM

  - by elmuerte

  I am trying to set up authentication via PAM for PostgreSQL 9.3. I already managed to get this working on an Ubuntu 12.04 server, but I am unable to get this working on a Centos-6 install. The relevant pg_hba.conf line: host all all 0.0.0.0/0 pam pamservice=postgresql93 The pam.d/postgressql93 is the default config shipped with the official postgresql 9.3 package: #%PAM-1.0 auth include password-auth account include password-auth When a user tries to authenticate the following is reported in secure log: hostname unix_chkpwd[31807]: check pass; user unknown hostname unix_chkpwd[31808]: check pass; user unknown hostname unix_chkpwd[31808]: password check failed for user (myuser) hostname postgres 10.1.0.1(61459) authentication: pam_unix(postgresql93:auth): authentication failure; logname= uid=26 euid=26 tty= ruser= rhost= user=myuser The relevant content of password-auth config is: auth required pam_env.so auth sufficient pam_unix.so nullok try_first_pass auth requisite pam_succeed_if.so uid >= 500 quiet auth required pam_deny.so account required pam_unix.so account sufficient pam_localuser.so account sufficient pam_succeed_if.so uid < 500 quiet account required pam_permit.so The problem is with the pam_unix.so. It is unable to validate the password, and unable to retrieve the user info (when I remove the auth entry of pam_unix.so). The Centos-6 install is only 5 days old, so it does not have a lot of baggage. The unix_chkpwd is suid and has execute rights for everybody, so it should be able to check the shadow file (which has no privileges at all?).

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• RAM ok in memtest86+ == RAM ok after wake from sleep?

  - by twon33

  I have a Windows XP (32-bit) system that appears stable in normal operation, but was repeatably freezing (hard lock, no BSOD) a minute or so after waking from S3 sleep. Some Googling against the motherboard model and memory manufacturer suggested that I might need to bump up the memory voltage, so I tried it and it now seems to resume without freezing. However, I don't really trust it and I'd like to validate that it's actually stable, especially after resuming from sleep. I've run Prime95 for a few hours with no issues, and am planning an overnight run of Memtest86+, which I expect to pass because the system has been solid whenever I've run it without putting it to sleep. Does something like Memtest86+ exist that actually invokes S3 sleep during operation? Clearly it would need an operator to wake the computer to resume testing, but I don't think I've ever heard of a memory test tool that can do this. Alternately, am I wasting my time? Should a clean bill of health from Memtest86+ indicate stability regardless of whether sleep is involved, or, conversely, does my original problem indicate that Memtest86+ would have failed eventually with the stock voltage if I'd run it, sleep or not?

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• Juniper’s Network Connect ncsvc on Linux: “host checker failed, error 10”

  - by hfs

  I’m trying to log in to a Juniper VPN with Network Connect from a headless Linux client. I followed the instructions and used the script from http://mad-scientist.us/juniper.html. When running the script with --nogui switch the command that gets finally executed is $HOME/.juniper_networks/network_connect/ncsvc -h HOST -u USER -r REALM -f $HOME/.vpn.default.crt. I get asked for the password, a line “Connecting to…” is printed but then the programm silently stops. When adding -L 5 (most verbose logging) to the command line, these are the last messages printed to the log: dsclient.info state: kStateCacheCleaner (dsclient.cpp:280) dsclient.info --> POST /dana-na/cc/ccupdate.cgi (authenticate.cpp:162) http_connection.para Entering state_start_connection (http_connection.cpp:282) http_connection.para Entering state_continue_connection (http_connection.cpp:299) http_connection.para Entering state_ssl_connect (http_connection.cpp:468) dsssl.para SSL connect ssl=0x833e568/sd=4 connection using cipher RC4-MD5 (DSSSLSock.cpp:656) http_connection.para Returning DSHTTP_COMPLETE from state_ssl_connect (http_connection.cpp:476) DSHttp.debug state_reading_response_body - copying 0 buffered bytes (http_requester.cpp:800) DSHttp.debug state_reading_response_body - recv'd 0 bytes data (http_requester.cpp:833) dsclient.info <-- 200 (authenticate.cpp:194) dsclient.error state host checker failed, error 10 (dsclient.cpp:282) ncapp.error Failed to authenticate with IVE. Error 10 (ncsvc.cpp:197) dsncuiapi.para DsNcUiApi::~DsNcUiApi (dsncuiapi.cpp:72) What does host checker failed mean? How can I find out what it tried to check and what failed? The HostChecker Configuration Guide mentions that a $HOME/.juniper_networks/tncc.jar gets installed on Linux, but my installation contains no such file. From that I concluded that HostChecker is disabled for my VPN on Linux? Are the POST to /dana-na/cc/ccupdate.cgi and “host checker failed” connected or independent? By running the connection over a SSL proxy I found out that the POST data is status=NOTOK (Funny side note: the client of the oh-so-secure VPN does not validate the server’s SSL certificate, so is wide open to MITM attacks…). So it seems that it’s the client that closes the connection and not the server.

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