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• EDM -> POCO -> WCF (.NET4) But transferring Collections causes IsReadOnly set to TRUE

  - by Gary B

  Ok, this may sound a little 'unorthodox', but...using VS2010 and the new POCO t4 template for Entity Framework (http://tinyurl.com/y8wnkt2), I can generate nice POCO's. I can then use these POCO's (as DTO's) in a WCF service essentially going from EDM all the way through to the client. Kinda what this guys is doing (http://tinyurl.com/yb4bslv), except everything is generated automatically. I understand that an entity and a DTO 'should' be different, but in this case, I'm handling client and server, and there's some real advantages to having the DTO in the model and automatically generated. My problem is, that when I transfer an entity that has a relationship, the client generated collection (ICollection) has the read-only value set, so I can't manipulate that relationship. For example, retrieving an existing Order, I can't add a product to the Products collection client-side...the Products collection is read-only. I would prefer to do a bunch of client side 'order-editing' and then send the updated order back rather than making dozens of server round trips (eg AddProductToOrder(product)). I'd also prefer not to have a bunch of thunking between Entity and DTO. So all-in-all this looks good to me...except for the read-only part. Is there a solution, or is this too much against the SOA grain?

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• UDDI Best Practices

  - by Andrew Cripps

  My organisation is getting into the SOA world (a bit late, but that's what it's like here!) and we're looking into the ESB Toolkit 2.0 (we already have BizTalk Server 2009). We're keen on implementing UDDI (specifically, the UDDI Services v3.0 that ships with BTS 2009), but we're low on actual UDDI experience. We want to manage the ever-burgeoning number of web services we have across all our environments. What are the best practices for implementing UDDI? For example:- Would you implement a single highly-available resilient UDDI server that hosts all services and bindings, including test environment versions? Or would you implement separate UDDI repositories for test and production environments? I'm aware of the Oasis Technical Note v2.0 on WSDL and UDDI, but does anyone actually implement that? I.e. the abstract parts of the WSDL as tModels, the implementation parts of the WSDL as bindings? Would you go to the effort of capturing non-web service endpoints in UDDI, or just use it for WSDL? What are the "gotchas"?

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• Proper use of HTTP status codes in a "validation" server

  - by Romulo A. Ceccon

  Among the data my application sends to a third-party SOA server are complex XMLs. The server owner does provide the XML schemas (.xsd) and, since the server rejects invalid XMLs with a meaningless message, I need to validate them locally before sending. I could use a stand-alone XML schema validator but they are slow, mainly because of the time required to parse the schema files. So I wrote my own schema validator (in Java, if that matters) in the form of an HTTP Server which caches the already parsed schemas. The problem is: many things can go wrong in the course of the validation process. Other than unexpected exceptions and successful validation: the server may not find the schema file specified the file specified may not be a valid schema file the XML is invalid against the schema file Since it's an HTTP Server I'd like to provide the client with meaningful status codes. Should the server answer with a 400 error (Bad request) for all the above cases? Or they have nothing to do with HTTP and it should answer 200 with a message in the body? Any other suggestion? Update: the main application is written in Ruby, which doesn't have a good xml schema validation library, so a separate validation server is not over-engineering.

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• Use spring tag in XSLT

  - by X-Pippes

  I have a XSL/XML parser to produce jsp/html code. Using MVC model I need to accees spring library in order to perform i18n translation. Thus, given the xml <a> ... <country>EN</country> ... </a> and using <spring:message code="table_country_code.EN"/> tag, choose based on the browser language, the transalation into England, Inglaterra, etc... However, the XSL do not support <spring:message> tag. The idea is to have a XSLT with something like this <spring:message code="table_country_code.><xsl:value-of select="country"/>"/>` I also tried to create the spring tag in Java when I make a parse to create the XML but I sill have the same error. ERROR [STDERR] (http-0.0.0.0-8080-1) file:///C:/Software/Jboss/jboss-soa-p-5/jboss-as/bin/jstl:; Line #5; Column #58; The prefix "spring" for element "spring:message" is not bound. How can I resolve?

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• Axis2 Webservice -> php

  - by Peter Hagström

  Hi! If I have understood Axis2 correct i can construct a WebService and then access it with any SOAP compatible client. I have a java class with a couple of methods that I have written in Eclipse, and then automatically constructed a service with the Axis2 plugin from WTP. This is the methods of my class. public int test(int i){ return i+2; } public Car CarTest(int speed){ return new Car("Biltest", speed); } public CarFactoryAdapter getCarFactory(){ carFact.getCars().add(new Car("Bmw", 250)); carFact.getCars().add(new Car("seat", 350)); carFact.getCars().add(new Car("saab", 150)); carFact.getCars().add(new Car("volv", 50)); return new CarFactoryAdapter(carFact); } The code seems to work when I try it with soapUI and the Axis2-web interface has recognized the methods of my service. But when Iam trying the methods that receives parameters with PHP´s built in soapClient i get a Unknown exception. The getCarFactory methods works at least as expected, but it seems kind of crippled if I can´t send parameters. Example of non working method invocation. ini_set('soap.wsdl_cache_ttl',0); $client = new SoapClient("http://192.168.128.162:8080/ComplexWebService/services/CarService?wsdl", array('soap_version' => SOAP_1_2, 'trace' => 1)); $ar['i'] = (int)100; print_r($client->__soapCall("test",$ar)); I need to make sure that the SOA framework i choose will be able to comunicate with many platforms, there will be clients in at least PHP and Java, but it would be good if it will work in for example .NET to.

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• NHibernate. DTO -> Domain

  - by Andrew Kalashnikov

  Hello guys. I've got SOA which processing data for diff clients(asp,sl). The base of this design is domains of my business model. For transporting,showing it to clients I use DTO. For mapping domain to DTO I use AutoMapper. Now I should persist new entities from clients. I want use my DTO's at this scenario too. So i've got some questions as I'm not much familiar with this design 1) Is it a good practice build DTO on client and send it to web-service on the wire? MayBe i should pass my domains? 2) Is it possible have several DTO's to one domain (one show at grid, and one to save). For saving I need set all nonprimitive props at client. 3) DTO - to Domain. If I've got int can I use AutoMapper to generate NHibernate Proxy for this ID, or I should do i manually. Your expierence and practice are very interesting. Thanks for answer!!!

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• Is it impossible to secure .net code (intellectual property) ?

  - by JL

  I used to work in JavaScript a lot and one thing that really bothered my employers was that the source code was too easy to steal. Even with obfuscation, nothing really helped, because we all knew that any competent developer would be able to read that code if they wanted to. JS Scripts are one thing, but what about SOA projects that have millions invested in IP (Intellectual Property). I love .net, and especially C#, but I recently again had to answer the question "If we give this compiled program over to our clients, can their developers reverse engineer it?" I had gone out of my way to obfuscate the code, but I knew it wouldn't take that much for another determined C# developer to get at the code. So I earnestly pose the question, is it impossible to secure .net code? The considerations I have as as follows: Even regular native executables can be reversed, but not every developer has the skill to be able to do this. Its a lot harder to disassemble a native executable than a .net assembly. Obfuscation will only get you so far, but it does help a little. Why have I never seen any public acknowledgement by Microsoft that anything written in .net is subject to relatively easy IP theft? Why have I never seen a scrap of counter measure training on any Microsoft site? Why does VS come with a community obfuscater as an optional component? Ok maybe I have just had my head in the sand here, but its not exactly high on most developers priority list. Are there any plans to address my concerns in any future version of .net? I'm not knocking .net, but I would like some realistic answers, thank you, question marked as subjective and community!

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• Webforms vs. MVC. Once you start using MVC.. Do you ever go back to webforms?

  - by punkouter

  I checked out MVC months ago and didn't really get it.. but recently as I have become a better programmer I think it is making sense.. Here is my theory.. tell me if I got it Right In the 90s for Microsoft Devs we had Classic ASP. This mixed VBscript and HTML on the same page. So you needed to create all the HTML yourself and mix HTML and VBScript. This was not considered Ideal. Then .NET came along and everyone liked it because it was similiar to event driven VB 6 style programming. It created this abstraction of binding data to ASP Servier controls. It made getting Enumerated data easy to get on the screen with one line. Then recently Jquery and SOA concepts are mixed together.. Now people think.. Why create this extra layer of abstraction when I can just directly use .NET as a data provider and use jquery AJAX calls to get the data and create the HTML with it directly .. no need for the Webforms abstraction layer.. Sowe are back to creating HTML directly like we did in 1999. So MVC is all about saying Stop pretending like WEb programming is a VB6 app! Generate HTML directly! Am I missing anything? So I wonder.. for you people out there using MVC... is it the sort of things that once you get used to it you never want to go back to webforms??

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• DNS protocol message example

  - by virtual-lab

  hello there, I am trying to figure out how to send out DNS messages from an application socket adapter to a DNSBL. I spent the last two days understanding the basics, including experimenting with WireShark to catch an example of message exchanged. Now I would like to query the DNS without using dig or host command (I'm using Ubuntu); how can I perform this action at low level, without the help of these tools in wrapping the request in a proper DNS message format? How the message should be post it? Hex or String? Thanks in advance for any help. Regards Alessandro Ilardo Comment added I am investigating on JDev and Oracle SOA. The platform provides a Socket Adapter which simply apply a transformation (XSLT) and send the message straight to the socket. How the payload parameters (ex. the host I'm looking up) are wrapped within the message is left to the developer. So basically I have an idea on how the all DNS message is structured, but rather than put everything on JDev stright away I'd like to make some tests on my own just to make sure I got a valid message format. So, I am not using any specific language (I don't even understand why they moved my question from serverfault) and I don't want to use any tools which would hide part of the message, such as the header. I know they work well btw. I guess this stuff has something to do with packet injection. Someone suggested me to use telnet, but I've only used for SMTP or HTTP, I haven't got a clue on how it works for DNS request. Does it make more sense now?

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• Book/topic recommendations for a programmer returning to programming.

  - by Jason Tan

  I used to be a developer in Java, PHP, perl and C/C++ (the C++ bit badly - the others not too badly, I hope). This was back in the Java 1.3/1.4 days. We used raw JDBC, swing, servlets, JSP and ant (sometimes even make). Eclipse was new. Then I joined a deployment team and became a deployment engineer and then after the deployment engineer work became a full time sys admin.You get the idea - my experience is a generation or two old in programming terms - maybe older. I'm interested in getting back into Java and perhaps Ruby development, but feel I will be waaaaay behind the technological 8 ball. Can you folks suggest some books (or sites) that would be worth reading to catch up with the last 5-10 years of the development world. I.e. what should I read to try and catch up with where development is now? I see lots of stuff on the web, but what are people in the fabled "real world" using? (are lots of people being SOA based apps? Are they using XP methodology) The sorts of things I'm interested in finding out about/catching up on are: Methodologies Design patterns APIs/Frameworks/Technologies Other stuff you deem current/interesting/relevant. So if you have any thoughts or can recommend any books (especially new classics - you know the 's equivalent to K&R C or "The mythical man month"). Thanks for any thoughts you might share.

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• C# How to create various objects at runtime that can hold strongly typed data?

  - by JL

  Is it possible to create objects at runtime without having to have hard coded class definitions, then populate properties with primitives or even strongly typed data types? For example: Lets say I want to an XML config file that could hold configuration values for connecting to various systems in an SOA application. In C# I read in these values, but for each system the properties are different (e.g: SQL might have a connection string, while SharePoint might need a username + password + domain + url, while yet an smtp server would need username + password + port + url) So instead of creating static classes as follows public class SharePointConfiguration or public class SQLConfiguration, then have each class with custom properties (this is cumbersome) Is there not a more preferred way to achieve this, without using 1990's methods, in otherwords it would still be nice to have intellisense and code completion and named properties. Since this collection of properties (object) would be passed within the class and possible to other classes from function to function I am also wondering where this class definition would get defined if its all happening at run time. Any recommendations, and hope the question was clear enough. Would like to use language features, not hacks. Thank you.

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• Are workflows good for web service business logic?

  - by JL

  I have a series of complex web services that are getting used in my SOA application. I am generally happy with the overall design of the application, but as the complexity grows, I was wondering if Windows Workflow might be the way to go. My motivations for this are that you can get a graphic representation of the applications functionality, so it would be easier to maintain the code by its business function, rather than what I have now ( a standard 3 tier class library structure). My concerns are: I would be inducing an abstraction in my code, and I don't want to spend time having to deal with possible WF quirks or bugs. I've never worked with WF, is it a solid technology? I don't want to hit any WF limitations that prevent me from developing my solution. Is a WF even the right solution for the task? Simply put I am considering writing my next web service in this app to call a WF, and in this work flow manage the tasks the web service needs to carry out. I think it will be much neater and easier to maintain than a regular c# class library (maintainable by namespaces, classes ). Do you think this is the right thing to do? I'm hoping for positive feedback on WF (.net 4), but brutal honestly at the end of the day would help more. Thanks

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• Dig returns "status: REFUSED" for external queries?

  - by Mikey

  I can't seem to work out why my DNS isn't working properly, if I run dig from the nameserver it functions correctly: # dig ungl.org ; <<>> DiG 9.5.1-P2.1 <<>> ungl.org ;; global options: printcmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 24585 ;; flags: qr aa rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 2, ADDITIONAL: 1 ;; QUESTION SECTION: ;ungl.org. IN A ;; ANSWER SECTION: ungl.org. 38400 IN A 188.165.34.72 ;; AUTHORITY SECTION: ungl.org. 38400 IN NS ns.kimsufi.com. ungl.org. 38400 IN NS r29901.ovh.net. ;; ADDITIONAL SECTION: ns.kimsufi.com. 85529 IN A 213.186.33.199 ;; Query time: 1 msec ;; SERVER: 127.0.0.1#53(127.0.0.1) ;; WHEN: Sat Mar 13 01:04:06 2010 ;; MSG SIZE rcvd: 114 but when I run it from another server in the same datacenter I receive: # dig @87.98.167.208 ungl.org ; <<>> DiG 9.5.1-P2.1 <<>> @87.98.167.208 ungl.org ; (1 server found) ;; global options: printcmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: REFUSED, id: 18787 ;; flags: qr rd; QUERY: 1, ANSWER: 0, AUTHORITY: 0, ADDITIONAL: 0 ;; WARNING: recursion requested but not available ;; QUESTION SECTION: ;ungl.org. IN A ;; Query time: 1 msec ;; SERVER: 87.98.167.208#53(87.98.167.208) ;; WHEN: Sat Mar 13 01:01:35 2010 ;; MSG SIZE rcvd: 26 my zone file for this domain is $ttl 38400 ungl.org. IN SOA r29901.ovh.net. mikey.aol.com. ( 201003121 10800 3600 604800 38400 ) ungl.org. IN NS r29901.ovh.net. ungl.org. IN NS ns.kimsufi.com. ungl.org. IN A 188.165.34.72 localhost. IN A 127.0.0.1 www IN A 188.165.34.72 The server is running Ubuntu 9.10 and Bind 9, if anyone can shed some light on this for me it'd make me very happy! thanks

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• BIND9 / DNS Zone / Dedicated Server / Unique Reverse DNS

  - by user2832131

  I locate a dedicated server in a datacenter with no DNS Zone setup. Datacenter panel have 1 textfield only you can fill one Reverse DNS only. According with datacenter instructions here... [instructions]: http://www.wiki.hetzner.de/index.php/DNS-Reverse-DNS/en#How_can_I_assign_several_names_to_my_IP_address.2C_if_different_domains_are_hosted_on_my_server.3F How_can_I_assign_several_names_to_my_IP_address ...I need to install BIND9 in order to configure other records like CNAME and MX. Ok, I've installed BIND9, created a Master Zone. And following this example, I put it in the Zone File: [example]: http://wiki.hetzner.de/index.php/DNS_Zonendatei/en example $ttl 86400 @ IN SOA ns1.first-ns.de. postmaster.robot.first-ns.de. ( 1383411730 14400 1800 604800 86400 ) @ IN NS ns1.first-ns.de. @ IN NS robotns2.second-ns.de. @ IN NS robotns3.second-ns.com. localhost IN A 127.0.0.1 @ IN A 144.86.786.651 www IN A 144.86.786.651 loopback IN CNAME localhost But when I point my domain to ns1.first-ns.de, DNS Register says "time out". Am I missing something? I created a Master zone. Should it be a Slave zone? named.conf: include "/etc/bind/named.conf.options"; include "/etc/bind/named.conf.local"; include "/etc/bind/named.conf.default-zones"; named.conf.options: options { directory "/var/cache/bind"; dnssec-validation auto; auth-nxdomain no; # conform to RFC1035 listen-on-v6 { any; }; }; named.conf.local: zone "mydomain.com" { type master; file "/var/lib/bind/mydomain.com.hosts"; allow-update {any;}; allow-transfer {any;}; allow-query {any;}; }; named.conf.default-zones: zone "." { type hint; file "/etc/bind/db.root"; }; zone "localhost" { type master; file "/etc/bind/db.local"; }; zone "127.in-addr.arpa" { type master; file "/etc/bind/db.127"; }; zone "0.in-addr.arpa" { type master; file "/etc/bind/db.0"; }; zone "255.in-addr.arpa" { type master; file "/etc/bind/db.255"; }; Problem is that I'm moving my site, and can't update the new NS server due to a 'timeout' message when filling new datacenter NS. I'm filling: MASTER: ns1.first-ns.de SLAVE1: robotns2.second-ns.de SLAVE2: robotns3.second-ns.com

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• using own mail server with external domain and dns. Now have internal dns. dkim test not working

  - by mojotaker

  I am not very knowledgeable in this area, but have been able to make great head way. Now i am stuck I setup my own mail server, e.g mailbox.example.com. I had the domain dns point to my mail server in my office. i was able to set up everything working fine. such as dkim and spf records. Recently i decided to setup an internal dns server in the office so as to resolve some addresses for some development servers internally. Ok the problem now is my mail server is sitting on the internal dns server (the mail server is on the same box as the dns server) its still able to send and receive emails but not sure if dkim is working properly. when i try to do a dkim test "amavisd test keys" i get "invalid (public key: not available)" and i know that that means i have a dns issue. so what should i do? I am currently looking at my internal dns zonefile and i dont know what to do (i am using bind dns server on an ubuntu-server box). do i configure a dkim txt record on the local dns ? or is there a way to forward dkim "request" to the external dns ? or do i have this whole thing done wrong ? To be clear Basically my internal domain name is the same as my external domain name (i.e example.com) i have a mail server within my internal domain mailbox.example.com, that uses my external domain dns (external dns has been setup to point to my emailserver (which of course is now sitting behind my internal dns)) dkim (i dont think its working because it fails the dkim test") Need help in determing the proper setup What is the proper way to set this up ? thank you Update: Here is my local dns zone file ; ; BIND data file for local loopback interface ; $TTL 604800 @ IN SOA webserver.example.com. root.example.com. ( //dns and webserver on the same box 2012030809 ; Serial 604800 ; Refresh 86400 ; Retry 2419200 ; Expire 604800 ) ; Negative Cache TTL ; @ IN NS webserver.example.com. @ IN A 192.168.1.117 @ IN AAAA ::1 ns IN A 192.168.1.117 www IN A xx.xx.xx.xxx // ip of external domain box (bluehost) work around to let local clients access website newsletter IN A xx.xx.xxx.117 // external ip address of local network mailbox.example.com. IN A 192.168.1.111 // internal ip of mailbox (mailserver webserver.example.com. IN A 192.168.1.117 //internal ip of a webserver

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• How to block subreddits with BIND9?

  - by user1391189

  Please help me block NSFW subreddits like this one (http://www.reddit.com/r/NSFW/) I would like to keep access to SFW subreddits, but block certain subreddits that are distracting or NSFW. I know how to filter domains. (see files below) But how do I apply the filter only to certain subreddits? So far I have set up the following files: blocklist.conf zone "adimages.go.com" { type master; file "dummy-block"; }; zone "admonitor.net" { type master; file "dummy-block"; }; zone "ads.specificpop.com" { type master; file "dummy-block"; }; ... named.conf options { allow-query { 127.0.0.1; }; allow-recursion { 127.0.0.1; }; directory "c:\bind\etc"; notify no; }; zone "." IN { type hint; file "c:\bind\etc\named.root"; }; zone "localhost" IN { allow-update { none; }; file "c:\bind\etc\localhost.zone"; type master; }; zone "0.0.127.in-addr.arpa" IN { allow-update { none; }; file "c:\bind\etc\named.local"; type master; }; key "rndc-key" { algorithm hmac-md5; secret "O5VdbBKKEMzuLYjM60CxwuLLURFA6peDYHCBvZCqjoa6KtL1ggD7OTLeLtnu2jR5I5cwA/MQ8UdHc+9tMJRSiw=="; }; controls { inet 127.0.0.1 port 953 allow { 127.0.0.1; } keys { "rndc-key"; }; }; //Blocklist include "c:\bind\etc\blocklist.conf"; dummy-block $TTL 604800 @ IN SOA localhost. root.localhost. ( 2 ; Serial 604800 ; Refresh 86400 ; Retry 2419200 ; Expire 604800 ) ; Negative Cache TTL ; @ IN NS localhost. @ IN A 127.0.0.1 * IN A 127.0.0.1

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• DNS delegation on same server with DDNS and second slave server

  - by Austin

  I have two servers running BIND, the first is setup as the master of two zones and the second as a slave for those zones. The zones are example.com and ddns.example.com. I have DDNS running and thousands of device entries are dynamically created in ddns.example.com. I wanted to keep DDNS separate from the main example.com, so I created a separate zone that the DHCP servers update. Considering these zones are hosted on the same server, is it possible to have delegation working from example.com to ddns.example.com? For example if my workstation's search domain is example.com and pointed towards 10.1.10.1 for its DNS provider, I would like to be able to resolve hostname.ddns. As it is, I can resolve hostname.ddns.example.com, but would like to be able to resolve just hostname.ddns. Alternatively, if the workstation's search domain is ddns.example.com, what settings do I need to be able to change to be able to resolve web, ftp, etc, which are all hosts in the parent, example.com zone? Does the ddns.example.com zone need to forward to the example.com zone? Again, all the zones are setup on the same server with a second server setup as a slave. named.conf: zone "example.com" IN { type master; file "example.com"; allow-update { none; }; } zone "ddns.example.com" IN { type master; file "ddns.example.com"; allow-update { key dhcp-update; }; } example.com zone file: $ORIGIN . $TTL 86400 example.com IN SOA ns1.example.com. hostmaster.example.com. ( serial, refresh, retry, etc. ) NS ns1.example.com. NS ns2.example.com. $ORIGIN example.com. ns1 A 10.1.10.1 ns2 A 10.1.10.2 web A 10.1.15.30 ftp A 10.1.15.31 host3 A 10.1.15.32 $ORIGIN ddns.example.com NS ns1 NS ns2 ns1 A 10.1.10.1 ns2 A 10.1.10.2

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• Providing DNS redirection to honeypot server for known bad domains

  - by syn-

  Currently running BIND on RHEL 5.4 and am looking for a more efficient manner of providing DNS redirection to a honeypot server for a large (30,000+) list of forbidden domains. Our current solution for this requirement is to include a file containing a zone master declaration for each blocked domain in named.conf. Subsequently, each of these zone declarations point to the same zone file, which resolves all hosts in that domain to our honeypot servers. ...basically this allows us to capture any "phone home" attempts by malware that may infiltrate the internal systems. The problem with this configuration is the large amount of time taken to load all 30,000+ domains as well as management of the domain list configuration file itself... if any errors creep into this file, the BIND server will fail to start, thereby making automation of the process a little frightening. So I'm looking for something more efficient and potentially less error prone. named.conf entry: include "blackholes.conf"; blackholes.conf entry example: zone "bad-domain.com" IN { type master; file "/var/named/blackhole.zone"; allow-query { any; }; notify no; }; blackhole.zone entries: $INCLUDE std.soa @ NS ns1.ourdomain.com. @ NS ns2.ourdomain.com. @ NS ns3.ourdomain.com.                        IN            A                192.168.0.99 *                      IN            A                192.168.0.99

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• What are the pros and cons of AWS Elastic Beanstalk compared with other deployment strategies?

  - by James van Dyke

  I'm pretty new to the whole Netflix OSS stack and deployments in general. As a background for my current level of knowledge ops-wise, my main role is as a front-end application engineer. However, I enjoy the operations side of things, so I'm attempting to setup a new deployment strategy and the tooling for a new project. Our Goals Super easy deploys (we want to push a button to update production) Automated deploys to test environments (using Jenkins) Ease of maintenance (we have an app to write, don't want to spend our time fiddling with production issues) Ability to handle a service oriented architecture (many small apps, various languages and data stores) Enough flexibility to ensure we won't have to change strategies any time soon (we're already trying to get away from RightScale) We're OK with a little more initial setup time if doing so will save us some headaches in the future. So, along these lines, I've been listening to podcasts, watching Ops talks, and reading tons of blog posts and based on our goals and what I've taken to be some forming best practices, we've started forming a plan using Asgard, rolling our package into a jar and rolling that into an AMI. We had this all planned out and like the advantages the process versus using a Chef server and converging instances on the fly (we felt this was error prone given our limited timeline and lack of understanding around a Chef server workflow). However, a coworker did a little looking around on his own and felt like Elastic Beanstalk met our needs. I've looked into it and spun up a test environment with a WAR file and an attached RDS database. Things seem to work and I believe that we can automate deploys to a testing environment using Jenkins via the AWS API. Seems simple enough... perhaps too simple. What I'm wondering is, what's the catch? If Elastic Beanstalk is so simple and effective, why isn't it talked about more? I'm having a hard time finding enough objective opinions and facts about the two different deployment strategies, so I thought I'd ask around. Do you use Elastic Beanstalk? If so, why and what factors lead to that decision? What do you like and dislike? If you don't use Elastic Beanstalk but considered it, what do you use and why didn't you use Elastic Beanstalk? What are the advantages and disadvantages to a Elastic Beanstalk based deployment strategy for an SOA? That is, will Elastic Beanstalk work well with many small applications that rely on each other to work?

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• Why is Denic not accepting my nameservers?

  - by Oliver Salzburg

  I'm currently in the process of moving all of our domains to our own nameservers. Which wasn't an issue until I hit our own .de domain. I (think I) understand the implications of having the NS inside it's own domain, hence the need for glue records. Until yesterday, I would have assumed I have a pretty good understanding of Bind and DNS zones until I was presented with this error from the Denic nameserver predelegation check: Inconsistent set of nameserver IP addresses (NS, provided glues, determined glues) ns2.hartwig-at.de [88.198.242.190/88.198.242.190] Default resolver determined: [], other resolvers determined: {88.198.242.190/88.198.242.190=[/2a01:4f8:d13:3c85:0:0:0:2, /88.198.242.190]} Inconsistent set of nameserver IP addresses (NS, provided glues, determined glues) ns1.hartwig-at.de [cloud.hartwig-at.de/176.221.46.23] Default resolver determined: [], other resolvers determined: {cloud.hartwig-at.de/176.221.46.23=[/2a00:1158:3:0:0:0:0:b6, /176.221.46.23]} Screenshot of the result The support of my registrar is either far better educated than me or doesn't have a clue. Either way, they're avoiding my questions in regards to what this error means. They just tell me Your nameserver has to return your own nameservers as the default resolver. But that doesn't make any sense to me and they refuse to try to explain it any other way. This is the head of my current zone file: @ 86400 IN SOA ns1.hartwig-at.de. hostmaster.hartwig-at.de. ( 2012070505 ; serial 1d ; refresh 3h ; retry 4w ; expiry 1h ) ; minimum 3600 IN NS ns1.hartwig-at.de. 3600 IN NS ns2.hartwig-at.de. 3600 IN MX 10 remote.hartwig-at.de. 3600 IN MX 20 mx1.hartwig-at.de. 3600 IN MX 30 mx2.hartwig-at.de. localhost 3600 IN A 127.0.0.1 localhost 3600 IN AAAA ::1 @ 3600 IN A 176.221.46.23 3600 IN AAAA 2a00:1158:3::b6 * 3600 IN A 176.221.46.23 3600 IN AAAA 2a00:1158:3::b6 hetzner 3600 IN A 88.198.242.190 hetzner 3600 IN AAAA 2a01:4f8:d13:3c85::2 cloud 3600 IN A 176.221.46.23 cloud 3600 IN AAAA 2a00:1158:3::b6 ; List all NS as A/AAAA record ns 3600 IN A 176.221.46.23 ns 3600 IN AAAA 2a00:1158:3::b6 ns1 3600 IN A 176.221.46.23 ns1 3600 IN AAAA 2a00:1158:3::b6 ns2 3600 IN A 88.198.242.190 ns2 3600 IN AAAA 2a01:4f8:d13:3c85::2 So, what is the problem with my zone? And what is the "default resolver"?

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• Why does my mail get marked as spam?

  - by schoen

  I Have the server "afspraakmanager.be". It matches everything not to be a spam server.(it isn't by the way): it has reverse dns, spf,dkim,... . But hotmail marks it as spam. I think the problem is the SPF/DKIM records. when i sent an email to my gmail it says: "Received-SPF: neutral (google.com: 2a02:348:8e:6048::1 is neither permitted nor denied by best guess record for domain of [email protected]) client-ip=2a02:348:8e:6048::1; Authentication-Results: mx.google.com; spf=neutral (google.com: 2a02:348:8e:6048::1 is neither permitted nor denied by best guess record for domain of [email protected]) [email protected]; dkim=neutral (bad format) [email protected]" So i guess my SPF and DKIM records aren't set up right. But I also don't have a clue what is wrong with them. this is the zone file: ; zone file for afspraakmanager.be $ORIGIN afspraakmanager.be. $TTL 3600 @ 86400 IN SOA ns1.eurodns.com. hostmaster.eurodns.com. ( 2013102003 ; serial 86400 ; refresh 7200 ; retry 604800 ; expire 86400 ; minimum ) @ 86400 IN NS ns1.eurodns.com. @ 86400 IN NS ns2.eurodns.com. @ 86400 IN NS ns3.eurodns.com. @ 86400 IN NS ns4.eurodns.com. ; Mail Exchanger definition @ 600 IN MX 10 smtp ; IPv4 Address definition @ IN A 37.230.96.72 afspraakmanager.be 600 IN A 37.230.96.72 localhost 86400 IN A 127.0.0.1 smtp 600 IN A 37.230.96.72 www 600 IN A 37.230.96.72 ; Text definition default._domainkey 600 IN TXT "v=DKIM1\\; k=rsa\\; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQC6pvlZKnbSVXg1Bf3MF2l8xRrKPmqIw2i9Rn1yZ3HEny9qH1vyGXUjdv2O0aQbd5YShSGjtg5H/GedRMLpB0Qb+hBj1yGofOQTdcVtZZfj8qBY5Z7vEkhvtdaogQ0vLjgcwhg0BBuTewEkLxrl9IIzkPMZ1SCtM2Y0RtiUhg2cjQIDAQAB" ; Sender Policy Framework definition afspraakmanager.be 600 IN SPF "v=spf1 a mx ptr +all" The DKIM signature in the header: DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=afspraakmanager.be; s=mail; t=1382361029; bh=4pDpXBY8rCbX8+MfrklZzpQxaUsa3vSPUYjcDR3KAnU=; h=Date:From:To:Subject:From; b=SoBBaAlrueD8qID8txl2SBSqnZgN2lkPCdSPI/m7/YLezIcBedkgIX1NswYiZFl6Z AmF8dES73WUaaJjItVHSrdCJK2mJ/Az+vrgNsyk+GqZZ1YPiIlH3gqRrsguhoofXUX /gqLlqsLxqxkKKd9EbSzKRHuDGlJCLm5SlL8wnL0=

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• BIND DNS server (Windows) - Unable to access my local domain from other computers on LAN

  - by Ricardo Saraiva

  I have a BIND DNS server running on my Windows 7 development machine and I'm serving pages with WAMPSERVER. My ideia is to develop some tools (in PHP) for my intranet at work and I want them to be accessible via LAN in this format: http://tools.mycompany.com I've already placed BIND and I can access http://tools.mycompany.com on the machine that holds BIND server, but I cannot access it from other LAN computers. I've done the following on my router: defined static IP's for all LAN computers set Port Forwarding to my server (remember: it serves DNS and Web pages) set DNS server configuration to point to my LAN server On LAN computers, I went to Local Area Network properties and also changed the DNS server IP in order to point to my local DNS server. If it helps, here is my named.conf file: options { directory "c:\windows\SysWOW64\dns\etc"; forwarders {127.0.0.1; 8.8.8.8; 8.8.4.4;}; pid-file "run\named.pid"; allow-transfer { none; }; recursion no; }; logging{ channel my_log{ file "log\named.log" versions 3 size 2m; severity info; print-time yes; print-severity yes; print-category yes; }; category default{ my_log; }; }; zone "mycompany.com" IN { type master; file "zones\db.mycompany.com.txt"; allow-transfer { none; }; }; key "rndc-key" { algorithm hmac-md5; secret "qfApxn0NxXiaacFHpI86Rg=="; }; controls { inet 127.0.0.1 port 953 allow { 127.0.0.1; } keys { "rndc-key"; }; }; ...and a single zone I've defined - file db.mycompany.com.txt: $TTL 6h @ IN SOA tools.mycompany.com. hostmaster.mycompany.com. ( 2014042601 10800 3600 604800 86400 ) @ NS tools.mycompany.com. tools IN A 192.168.1.4 www IN A 192.168.1.4 On the file above 192.168.1.4 is the IP of the local machine inside my LAN. Can someone help me here? I need my web pages to be accessible from other computers inside my LAN using my custom domain name. I've tried on other computers and they can access my server via http://192.168.1.4/, but no able when using http://tools.mycompany.com . Please, consider the following: I'm completely new to BIND I have basic knowledge in Apache configuration Thanks a lot for your help.

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• Trying to get DNS services running on Windows Server 2008 R2, what am I getting wrong ?

  - by LaserBeak

  Ok, So I am basically trying to get a home server pc up that will provide Domain name services, act as Mail server and web server. I have one static IP, well it's not officially static but hasn't changed in two years so I'll call it static. I have done the following: Configured router NAT/virtual port forward UDP/TCP port 53 to the internal IP of my server 192.168.1.16, in adapter settings specified the manual settings: 192.168.1.16 IP, gateway 192.168.1.1, Subnet: 255.255.255.0 and loopback DNS: 127.0.0.1 Using my public my public IP Checked using http://www.canyouseeme.org/ that port 53 is open and is not being blocked by my ISP. It can see services on this port. Registered Domain name (mydomain.com.au) Updated whois database through the domain registrars site and registered NameServer names: ns0.mydomain.com.au and ns2.mydomain.com.au, both have been associated with my single public IP. (Waited 24 hours) Update the nameserver for mydomain.com.au: primary ns0.mydomain.com.au secondary: ns2.mydomain.com.au (waited 24+ hours) Installed Server 2008 R2, install web server role and DNS role. Webserver works when I enter my public IP into browser of any PC/mobile, get IIS7 welcome page. In DNS server: Created new forward lookup zone: ; ; Database file mydoman.com.au.dns for mydomain.com.au zone. ; Zone version: 10 ; @ IN SOA mydomain.com.au. mydomain.testdomain.com. ( 10 ; serial number 900 ; refresh 600 ; retry 86400 ; expire 3600 ) ; default TTL ; ; Zone NS records ; @ NS ns0.mydomain.com.au. @ NS ns1.mydomain.com.au. ; ; Zone records ; @ A 192.168.1.16 www A 192.168.1.16 The Domain name services will however not work, the whois database updated with ns0.mydomain.com.au etc. but when I type in my site name www.mydomain.com.au from an external machine it will not open site and I can't even ping it (Can't find host) When I check the ns0.mydomain.com.au NS record using a tool Like: http://www.squish.net/dnscheck/ I get: Security: Server ns0.mydomain.com.au (XXX.XXX.XXX.XX <- my public IP) is recursive Domain exists but there is no such record Any ideas, thanks...

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• Mac OSX 10.8 Server DNS Domain Routing

  - by Oldek

  I just cant seem to figure out the logic in how to configure my Mac Server. So I have set up an DNS, which will take the domain and all subdomains and point towards an IP. File: db.mydomain.com (in /var/named/) mydomain.com. 10800 IN SOA mydomain.com. admin.mydomain.com. ( 2012110903 ; serial 3600 ; refresh (1 hour) 900 ; retry (15 minutes) 1209600 ; expire (2 weeks) 86400 ; minimum (1 day) ) 10800 IN NS mydomain.com. 10800 IN A 10.0.1.2 www.mydomain.com. 10800 IN A 10.0.1.2 So I want all of these requests to be requested to the 10.0.1.2 server, as I run 2 servers in my cluster. This one has always handled the requests, and now I want to add a server in between. So the server in between will get all the signals from my router which NAT the trafic coming from outside. So after setting this up and trying to point my port 80 towards my new server which will be the middle point, it doesn't work. Is it even possible to do it this way? First server: Mac Second server: Linux So what I try to achieve once more: 1. User goes to mydomain.com or www.mydomain.com 2. User request gets handled by my first server 3. First server refers to a local server, which is only available locally (it is configured to allow requests on port 80 and handle them) 4. Second server receives signal 5. Second server returns a request (either directly send to user or send through first server, whichever is most secure and configurable) I also want to be able to set up domains that lead to other servers in the future, and some that are only available within the VPN. (If that changes anything) I hope some kind soul could help me with this, it is really cumbersome for my mind to get the logic here. Do I have to configure my other server in any way? /Marcus

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• CodePlex Daily Summary for Sunday, March 07, 2010

  CodePlex Daily Summary for Sunday, March 07, 2010New ProjectsAlgorithminator: Universal .NET algorithm visualizer, which helps you to illustrate any algorithm, written in any .NET language. Still in development.ALToolkit: Contains a set of handy .NET components/classes. Currently it contains: * A Numeric Text Box (an Extended NumericUpDown) * A Splash Screen base fo...Automaton Home: Automaton is a home automation software built with a n-Tier, MVVM pattern utilzing WCF, EF, WPF, Silverlight and XBAP.Developer Controls: Developer Controls contains various controls to help build applications that can script/write code.Dynamic Reference Manager: Dynamic Reference Manager is a set (more like a small group) of classes and attributes written in C# that allows any .NET program to reference othe...indiologic: Utilities of an IndioNeural Cryptography in F#: This project is my magistracy resulting work. It is intended to be an example of using neural networks in cryptography. Hashing functions are chose...Particle Filter Visualization: Particle Filter Visualization Program for the Intel Science and Engineering FairPólya: Efficient, immutable, polymorphic collections. .Net lacks them, we provide them*. * By we, we mean I; and by efficient, I mean hopefully so.project euler solutions from mhinze: mhinze project euler solutionsSilverlight 4 and WCF multi layer: Silverlight 4 and WCF multi layersqwarea: Project for a browser-based, minimalistic, massively multiplayer strategy game. Part of the "Génie logiciel et Cloud Computing" course of the ENS (...SuperSocket: SuperSocket, a socket application framework can build FTP/SMTP/POP server easilyToast (for ASP.NET MVC): Dynamic, developer & designer friendly content injection, compression and optimization for ASP.NET MVCNew ReleasesALToolkit: ALToolkit 1.0: Binary release of the libraries containing: NumericTextBox SplashScreen Based on the VB.NET code, but that doesn't really matter.Blacklist of Providers: 1.0-Milestone 1: Blacklist of Providers.Milestone 1In this development release implemented - Main interface (Work Item #5453) - Database (Work Item #5523)C# Linear Hash Table: Linear Hash Table b2: Now includes a default constructor, and will throw an exception if capacity is not set to a power of 2 or loadToMaintain is below 1.Composure: CassiniDev-Trunk-40745-VS2010.rc1.NET4: A simple port of the CassiniDev portable web server project for Visual Studio 2010 RC1 built against .NET 4.0. The WCF tests currently fail unless...Developer Controls: DevControls: These are the version 1.0 releases of these controls. Download the individually or all together (in a .zip file). More releases coming soon!Dynamic Reference Manager: DRM Alpha1: This is the first release. I'm calling it Alpha because I intend implementing other functions, but I do not intend changing the way current functio...ESB Toolkit Extensions: Tellago SOA ESB Extenstions v0.3: Windows Installer file that installs Library on a BizTalk ESB 2.0 system. This Install automatically configures the esb.config to use the new compo...GKO Libraries: GKO Libraries 0.1 Alpha: 0.1 AlphaHome Access Plus+: v3.0.3.0: Version 3.0.3.0 Release Change Log: Added Announcement Box Removed script files that aren't needed Fixed & issue in directory path Stylesheet...Icarus Scene Engine: Icarus Scene Engine 1.10.306.840: Icarus Professional, Icarus Player, the supporting software for Icarus Scene Engine, with some included samples, and the start of a tutorial (with ...mavjuz WndLpt: wndlpt-0.2.5: New: Response to 5 LPT inputs "test i 1" New: Reaction to 12 LPT outputs "test q 8" New: Reaction to all LPT pins "test pin 15" New: Syntax: ...Neural Cryptography in F#: Neural Cryptography 0.0.1: The most simple version of this project. It has a neural network that works just like logical AND and a possibility to recreate neural network from...Password Provider: 1.0.3: This release fixes a bug which caused the program to crash when double clicking on a generic item.RoTwee: RoTwee 6.2.0.0: New feature is as next. 16649 Add hashtag for tweet of tune.Now you can tweet your playing tune with hashtag.Visual Studio DSite: Picture Viewer (Visual C++ 2008): This example source code allows you to view any picture you want in the click of a button. All you got to do is click the button and browser via th...WatchersNET CKEditor™ Provider for DotNetNuke: CKEditor Provider 1.8.00: Whats New File Browser: Folders & Files View reworked File Browser: Folders & Files View reworked File Browser: Folders are displayed as TreeVi...WSDLGenerator: WSDLGenerator 0.0.0.4: - replaced CommonLibrary.dll by CommandLineParser.dll - added better support for custom complex typesMost Popular ProjectsMetaSharpSilverlight ToolkitASP.NET Ajax LibraryAll-In-One Code FrameworkWindows 7 USB/DVD Download Toolニコ生アラートWindows Double ExplorerVirtual Router - Wifi Hot Spot for Windows 7 / 2008 R2Caliburn: An Application Framework for WPF and SilverlightArkSwitchMost Active ProjectsUmbraco CMSRawrSDS: Scientific DataSet library and toolsBlogEngine.NETjQuery Library for SharePoint Web Servicespatterns & practices – Enterprise LibraryIonics Isapi Rewrite FilterFarseer Physics EngineFasterflect - A Fast and Simple Reflection APIFluent Assertions

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