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• Which Java modules get Spring Security

  - by HDave

  I have a classic Java SOA application, with a web UI module, web services module, a service module (Java API), a domain module and a persistence module. In a sense, each of these modules has their own public API. My understanding of Spring Security is that I can use web filters to handle the security of the web gui and web services, and method level security (via annotations) for the service module. My question is this: should I bother to add method level security to the domain module and the persistence module or is that considered overkill?

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• General ORM design question

  - by Calvin

  Suppose you have 2 classes, Person and Rabbit. A person can do a number of things to a rabbit, s/he can either feed it, buy it and become its owner, or give it away. A rabbit can have none or at most 1 owner at a time. And if it is not fed for a while, it may die. Class Person { Void Feed(Rabbit r); Void Buy(Rabbit r); Void Giveaway(Person p, Rabbit r); Rabbit[] rabbits; } Class Rabbit { Bool IsAlive(); Person pwner; } There are a couple of observations from the domain model: Person and Rabbit can have references to each other Any actions on 1 object can also change the state of the other object Even if no explicit actions are invoked, there can still be a change of state in the objects (e.g. Rabbit can be starved to death, and that causes it to be removed from the Person.rabbits array) As DDD is concerned, I think the correct approach is to synchronize all calls that may change the states in the domain model. For instance, if a Person buys a Rabbit, s/he would need to acquire a lock in Person to make a change to the rabbits array AND also another lock in Rabbit to change its owner before releasing the first one. This would prevent a race condition where 2 Persons claim to be the owner of the little Rabbit. The other approach is to let the database to handle all these synchronizations. Who makes the first call wins, but then the DB needs to have some kind of business logics to figure out if it is a valid transaction (e.g. if a Rabbit already has an owner, it cannot change its owner unless the Person gives it away). There are both pros/cons in either approach, and I’d expect the “best” solution would be somewhere in-between. How would you do it in real life? What’s your take and experience? Also, is it a valid concern that there can be another race condition the domain model has committed its change but before it is fully committed in the database? And for the 3rd observation (i.e. state change due to time factor). How will you do it?

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• Grails: Property Null error

  - by richardhell

  I've a domain called Modulo with some properties and a Controller with a method that create a object from model and save it, when execute save the shell show this error: La propiedad [{0}] de la clase [{1}] no puede ser nulo But if i set the constraint nullable to true, the error show again. I think that i should not set this cosntraint. The model is linked to a mysql table with all properties except id allow null. I think I am not doing something wrong here. Any advice?? Domain: Modulo class Modulo { String nombre String icon String url //static constraint = { // url(nullable:true) //} } Controller: Example class ExampleController { def index = { def modulo = new Modulo( nombre:'xxx', icon:'xxx' ) if (modulo.save()){ println 'ok' }else{ modulo.errors.allErrors.each { println it.defaultMessage} } } } Thanks. José

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• Send XML String as Response

  - by Sri Kumar

  Hello All, I am getting my Request from a third party application(different domain) to my ASP application. I am handling the request and doing the business part in my application and as a acknowledgement I need to send XML string as Response to the same Page which POSTED the request to my Application. I was successful in retrieving the input from Request using the following code NameValueCollection postPageCollection = Request.Form; foreach (string name in postPageCollection.AllKeys) { ... = postPageCollection[name]); } But i am not sure how to send back the response along with XML String to the site(different domain)? EDIT: How to get the URL from where the POST happened.

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• arboroaks.net/lakelandhills verse lakelandhillsatarboroaks.com , which is best for SEO?

  - by Roeland

  I am trying to decide what is the best way to approach a site I built with SEO in mind. The site has a parent site (sort of a splash page) (arboroaks.net) and the 3 children sites. Parent site is one page, and each of the 3 child sites is about 8-10pages. Right now I have the 3 child sites set up as folders under arboroaks.net. For example, lakelandhills, a child site, would be arboroaks.net/lakelandhills. I have the full domain, arboroaksatlakelandhills.com redirect to this url (arboroaks.net/lakelandhills). My question is whether I should have the child sites be contained on their own domain or not. Think lakelandhillsatarboroaks.com/about-us.php verse arboroaks.net/lakelandhills/about-us.php. The main reason is obviously for SEO consideration. Thanks!

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• How to make form validation in Django dynamic?

  - by Oli

  I'm trying to make a form that handles the checking of a domain: the form should fail based on a variable that was set earlier in another form. Basically, when a user wants to create a new domain, this form should fail if the entered domain exists. When a user wants to move a domain, this form should fail if the entered domain doesn't exist. I've tried making it dynamic overload the initbut couldn't see a way to get my passed variabele to the clean function. I've read that this dynamic validation can be accomplished using a factory method, but maybe someone can help me on my way with this? Here's a simplified version of the form so far: #OrderFormStep1 presents the user with a choice: create or move domain class OrderFormStep2(forms.Form): domain = forms.CharField() extension = forms.CharField() def clean(self): cleaned_data = self.cleaned_data domain = cleaned_data.get("domain") extension = cleaned_data.get("extension") if domain and extension: code = whoislookup(domain+extension); #Raise error based on result from OrderFormStep1 #raise forms.ValidationError('error, domain already exists') #raise forms.ValidationError('error, domain does not exist') return cleaned_data

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• Guidelines for solution source code organisation(OO/DDD)

  - by fearofawhackplanet

  I'm starting on my first business project (.NET) and am trying to follow DDD principles. Are there any guidelines or common patterns for orgaining source code and namespaces? For example, do your domain objects go in a namespace MyProject.Domain or whatever? Would you separate the concrete implementations and the interfaces? In different namespaces? Different folders? Different solutions? I know a lot of this is subjective and dependent on project size, but a few pointers or suggestions to get started on a relatively small but extensible n-tier project would be useful.

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• Get rid the slash in URL (ex. something.com/dogs)

  - by jbenes

  I recently purchased the domain name simply.do. I want to use it as a URL shortening service, but I don't like have to do simply.do/something. Can I remove the slash or replace it with a difference symbol? If this helps, I am using a server running Nginx and I will not switch to Apache. Thanks! I would also appreciate any feedback on the domain name. I was hoping to sell simply.do/insurance, simply.do/religion, etc. to various companies. Do you think there is a way I could sell these parts on an auction website? Thanks!

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• Setting up multiple servers for one domain

  - by Joseph Torraca

  So I am starting up a new website and I was wondering how to set up 5 servers to host the site. I have already purchased 5 Apple XServes, one will be used as a test server and the other 4 will be for the live site. So I have read some website on the internet and they all reference using one server and installing software onto it and have that server do the load balancing. I have also read that you could use a hardware, rack-mounted system and plug the servers into that. The load balancer would then distribute the load. So I have a few questions about each: 1) How do you set up the software version and have the other servers as "slaves" and have one "master" to direct traffic? 2) Which of the two options above are more reliable, and better suited for a startup that doesn't have many users per month, yet(hopefully)? 3) Is there a theoretical max limit of servers that can be connected to a software load balancing system? Note: Obviously this will change from software to software, but in terms of the server being able to handle it? 4) In your own opinion, what are you using for your sites? Have you had any problems setting up that system or operating it once its running? Are there any things you would stay away from if you had to start over? 5) I also purchased a Apple RAID system, so if you are familiar with it, is there any way to connect it to multiple Xserves so they all serve the same data? I'm a little confused on this, so thanks for all your help and being patient with me. Note: Take it easy on me, I am learning this as I go along, so I may have used terms incorrectly or explained things that don't really make sense. Sorry. P.S. If you need me to supply the specs on the servers to determine which system makes the most sense, I can post them for you.

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• Giving two different users permissions to a dir

  - by Jason Swett

  I have a script that is run sometimes via the web, sometimes via the command line. When the script is run via web, it's run via user www-data. When it's run via command line, it's run via user jason. This script writes to a directory called cache. If I chown -R jason cache, I can run the script as jason but not www-data. This makes sense. If I chown -R www-data cache, I can run the script as www-data but not jason. This also makes sense. I tried creating a group called scripts, adding my two users, then chowning cache to scripts. I'm not really sure how to do the last part, the chowning part. The Linux command docs I've found online for this are astoundingly bad. I don't know if I explained this all that well but hopefully it's clear what I'm trying to do. Any advice would be appreciated.

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• Windows file locks allowing multiple users to write to open file over network

  - by JPbuntu

  I have 6 windows computers (xp,vista,7) that need to access a samba share (Ubuntu 12.04). I am trying to make it so only one client can open a file at a given time. I thought this was pretty standard behavior of file locks, but I can't get it to work. The way it is right now a file can be open by two users, and changed and saved by either one of them. The last file saved overwrites what ever changes the other user made. At first I thought this was a Samba configuration problem, but I get this behavior even between two windows machines. So far I have only tested: Windows Xp Windows Vista Windows XP Samba << Windows Vista and both give the same behavior. When I tested the Samba configuration, I had set strict locking = yes and get errors logged like this: close_remove_share_mode: Could not get share mode lock for file _prod/part_number_list_COPY.xlsx Eventually all of the files are going to be moved onto the Samba share, so that is the configuration I am most concerned about fixing. Any ideas? Thanks in advance. EDIT: I tested an excel file again, and it is now working properly in both above mentioned cases, I am also no longer getting the above mentioned error. I don't know what happened, perhaps a restart fixed it? (also works with strict locking = no) Although I still need to find a solution for the CAD/CAM files we use, the software is Vector and it does not seem to be using file locks. Is there any software that I can use to manage these files, so two people can't open/edit them at a time? Maybe a windows application that forces file locks? Or a dirt simple version control system? (the only ones I have seen at are too complicated for our needs).

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• Using nginx's proxy_redirect when the response location's domain varies

  - by Chalky

  I am making an web app using SoundCloud's API. Requesting an MP3 to stream involves two requests. I'll give an example. Firstly: http://api.soundcloud.com/tracks/59815100/stream This returns a 302 with a temporary link to the actual MP3 (which varies each time), for example: http://ec-media.soundcloud.com/xYZk0lr2TeQf.128.mp3?ff61182e3c2ecefa438cd02102d0e385713f0c1faf3b0339595667fd0907ea1074840971e6330e82d1d6e15dd660317b237a59b15dd687c7c4215ca64124f80381e8bb3cb5&AWSAccessKeyId=AKIAJ4IAZE5EOI7PA7VQ&Expires=1347621419&Signature=Usd%2BqsuO9wGyn5%2BrFjIQDSrZVRY%3D The issue I had was that I am attempting to load the MP3 via JavaScript's XMLHTTPRequest, and for security reasons the browser can't follow the 302, as ec-media.soundcloud.com does not set a header saying it is safe for the browser to access via XMLHTTPRequest. So instead of using the SoundCloud URL, I set up two locations in nginx, so the browser only interacts with the server my app is hosted on and no security errors come up: location /soundcloud/tracks/ { # rewrite URL to match api.soundcloud.com's URL structure rewrite \/soundcloud\/tracks\/(\d*) /tracks/$1/stream break; proxy_set_header Host api.soundcloud.com; proxy_pass http://api.soundcloud.com; # the 302 will redirect to /soundcloud/media instead of the original domain proxy_redirect http://ec-media.soundcloud.com /soundcloud/media; } location /soundcloud/media/ { rewrite \/soundcloud\/media\/(.*) /$1 break; proxy_set_header Host ec-media.soundcloud.com; proxy_pass http://ec-media.soundcloud.com; } So myserver/soundcloud/tracks/59815100 returns a 302 to /myserver/soundcloud/media/xYZk0lr2TeQf.128.mp3...etc, which then forwards the MP3 on. This works! However, I have hit a snag. Sometimes the 302 location is not ec-media.soundcloud.com, it's ak-media.soundcloud.com. There are possibly even more servers out there and presumably more could appear at any time. Is there any way I can handle an arbitrary 302 location without having to manually enter each possible variation? Or is it possible for nginx to handle the redirect and return the response of the second step? So myserver/soundcloud/tracks/59815100 follows the 302 behind the scenes and returns the MP3? The browser automatically follows the redirect, so I can't do anything with the initial response on the client side. I am new to nginx and in a bit over my head so apologies if I've missed something obvious, or it's beyond the scope of nginx. Thanks a lot for reading.

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• Help Email Account Management among multiple users

  - by CogitoErgoSum

  So I preface this with saying this may belong in IT Security, not too sure feel free to move. Currently we have an email account [email protected] - hosted via google apps (as is all our email). We had an incident where we had to terminate an employee. This employee however had the password for this account as we have 20-30 people utilizing it at any given point to manage customer emails etc. Thinking on this I feel there must be a better way to manage access. With Google you can associate upto 10 email accounts to another the problem is we have more like 20-30 people going. We were evaluating tools such as SalesForce and Assistly where people have their own login credentials and then the system contains the appropriate smtp information for the [email protected] email address to send emails from it rather than a users personal account. Aside from those options does anyone have any other thoughts? One suggestion floated was moving everyone to desktop clients and saving the PW info there so they could only login from their physical workstation but we may have situations where we'd like employees to work remotely. Does anyone have experience with this sort of system where ~20-30 people are responding from one email box and how to manage security and access?

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• Win7 Domain User Profile- Desktop Icon management best practices request

  - by Doltknuckle

  Here's the situation: We have a large (5,000+ user) organization that is currently using folder redirection to manage the windows desktop icons. This folder is redirected to a network share where we can centrally manage the different sites and such. When a user tries to use a computer when the network is not available, they are unable to use any shortcuts in the Public folder. We only redirect the C:\Users\%username%\Desktop folder. Does anyone have any suggestions of how to go about managing desktop icons? We still want a central location to manage these items, but find a way to keep the system working when the network is unavailable. As a point of clarification, the network rarely goes down. We do have instances where a few computers do not have a network connection. Usually, something is simply unplugged. Since we have multiple sites, the line from a branch to the central office has gone down a few times. This is more of an attempt to maintain a positive end user experience when disconnected from the network.

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• How can I have puppet deploy ssh keys for virtual users?

  - by Pheezy

  I am trying to get puppet to assign authorized ssh keys for virtual users but I keep getting the following error: err: Could not retrieve catalog: Could not parse for environment production: Syntax error at 'user'; expected '}' at /etc/puppet/modules/users/manifests/ssh_authorized_keys.pp:9 I believe my configuration are correct (listed below) but is there a syntax error or scoping issue I am missing? I would simply like to assign users to nodes and have those users automagically have their ssh keys installed. Is there maybe a better way to do this and I'm just overthinking it? # /etc/puppet/modules/users/virtual.pp class user::virtual { @user { "user": home => "/home/user", ensure => "present", groups => ["root","wheel"], uid => "8001", password => "SCRAMBLED", comment => "User", shell => "/bin/bash", managehome => "true", } # /etc/puppet/modules/users/manifests/ssh_authorized_keys.pp ssh_authorized_key { "user": ensure => "present", type => "ssh-dss", key => "AAAAB....", user => "user", } # /etc/puppet/modules/users/init.pp import "users.pp" import "ssh_authorized_keys.pp" class user::ops inherits user::virtual { realize( User["user"], ) } # /etc/puppet/manifests/modules.pp import "sudo" import "users" # /etc/puppet/manifests/nodes.pp node basenode { include sudo } node 'testbox' inherits basenode { include user::ops } # /etc/puppet/manifests/site.pp import "modules" import "nodes" # The filebucket option allows for file backups to the server filebucket { main: server => 'puppet' } # Set global defaults - including backing up all files to the main filebucket and adds a global path File { backup => main } Exec { path => "/usr/bin:/usr/sbin/:/bin:/sbin" }

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• Serving only certain files from a directory to users on IIS7

  - by HarbingTarbl

  I'm have a need to show the most up to date version of a certain file in a directory to users who access a folder on my site (lets call this folder logs). I can't just move the file into the folder as another process relies on being able to find and edit this file while it is running. At first I had thought I could just create a folder on my site, give it the correct permissions and then create a symbolic link to the file. However it seems IIS7 does not follow symlinks. Another solution would be to create a phpscript that pulls the correct file and displays it, but that felt like over-engineering the solution. I know that on Apache this would be simple, but I can't figure out how to do it with IIS7. To give an idea of the folder structure I'm working with. The directory looks like this. Root --File I need to serve. --File containing plain text passwords. --Other folders/files. I can't move any of these files. If I just serve the entire directory using Virtual Directories in IIS I'll also be sharing files and folders containing configuration and other sensitive information.

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• Unable to get squid working for remote users

  - by Sean

  I am trying to setup squid 3.2.4, but I have not been able to get it working for remote users. Works fine locally. Unable to figure out what I am doing wrong... http_port 3128 transparent ssl-bump generate-host-certificates=on dynamic_cert_mem_cache_size=4MB cert=/usr/share/ssl-cert/myCA.pem refresh_pattern ^ftp: 1440 20% 10080 refresh_pattern ^gopher: 1440 0% 1440 refresh_pattern -i (/cgi-bin/|\?) 0 0% 0 refresh_pattern . 0 20% 4320 acl localnet src 10.0.0.0/8 # RFC 1918 possible internal network acl localnet src 172.16.0.0/12 # RFC 1918 possible internal network acl localnet src 192.168.0.0/16 # RFC 1918 possible internal network acl localnet src fc00::/7 # RFC 4193 local private network range acl localnet src fe80::/10 # RFC 4291 link-local (directly plugged) machines acl SSL_ports port 443 acl Safe_ports port 80 # http acl Safe_ports port 21 # ftp acl Safe_ports port 443 # https acl Safe_ports port 70 # gopher acl Safe_ports port 210 # wais acl Safe_ports port 1025-65535 # unregistered ports acl Safe_ports port 280 # http-mgmt acl Safe_ports port 488 # gss-http acl Safe_ports port 591 # filemaker acl Safe_ports port 777 # multiling http acl CONNECT method CONNECT http_access allow manager localhost http_access deny manager http_access deny !Safe_ports http_access allow localhost http_access allow localnet http_access allow all cache deny all via off forwarded_for off header_access From deny all header_access Server deny all header_access WWW-Authenticate deny all header_access Link deny all header_access Cache-Control deny all header_access Proxy-Connection deny all header_access X-Cache deny all header_access X-Cache-Lookup deny all header_access Via deny all header_access Forwarded-For deny all header_access X-Forwarded-For deny all header_access Pragma deny all header_access Keep-Alive deny all acl ip1 localip 1.1.1.90 acl ip2 localip 1.1.1.91 acl ip3 localip 1.1.1.92 acl ip4 localip 1.1.1.93 acl ip5 localip 1.1.1.94 tcp_outgoing_address 1.1.1.90 ip1 tcp_outgoing_address 1.1.1.91 ip2 tcp_outgoing_address 1.1.1.92 ip3 tcp_outgoing_address 1.1.1.93 ip4 tcp_outgoing_address 1.1.1.94 ip5 tcp_outgoing_address 1.1.1.90

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• Intermittent Disconnection of Client Computers from Domain Server

  - by dilip nagle

  The Background: I have Windows 2008 server Enterprise Version with 25 user cal licences. It has a domain and all users and a network shared HP printer in it. The Server has two network cards and both these cards as well as all client machines are on IP addressing scheme of 192.168.1.* with subnetmask 255.255.255.0. Of the two network cards viz. 192.168.1.231 and 192.168.1.233, only 192.168.1.231 is registered with DNS. In 192.168.1.233(i.e. 2nd network card) has default getway as 192.168.1.231 and dns address as 192.168.1.231. The Server has three hard disks with capacities as 500gb, 500gb and 1TB and are partitioned as (C,D,E), (F,G) and (K) with partition K having all user data into various Shared Folders. Each of these folders(On Partition K), are mapped onto each user's computer as per the right of access given to them. The Problem: The Server was installed about 6 months ago and till date not even once, the Server has Hung or has given any problem. All the Clients computers are able to run the web based software from their computers via ip address, e.g. http://192.168.1.231/webERP/default.aspx. However, occassionally, when any client computer tries to browse network mappings, it hangs. Again, there is no fixed pattern. This may happen after running smoothly for say 3 days. On each Client's machine, the network settings are as follows: IP Address: 192.168.1.* where * is 1,2,3 .... Sunnetmask: 255.255.255.0 defauly getway: 192.168.1.231 Which is a server card and DNS address. preferred DNS Server: 192.168.1.231 In Advanced Tab under Wins: LMHostLookup is Unticked and default is radio buttoned. Ideally, I would have loved to have Disabled NETBIOS over TCP/IP but some network printers do not get accessed if this option is enabled(ie. Radio Buttoned). Bacause Disabling Netbios will drastically reduce traffic of NETBIOS broadcasting to all the computers on the net to do naming resolution. On Server, I have WINs Running which I have Scavanged Records, verified Database Integrity etc, removed Tombstoned Records etc. The Critical Errors shown only once a day when the server is statred are 4224(WINS) and 12923 - Server Licencing failed to Update DNS Record. I fail to understand as why do client machines HANG when they try to browse mapped network shared folders on K Drive. Kindly Advice

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• Resotre single users Exchange 2003 mailbox from backup

  - by Campo

  I take weekly backups of exchange in full. I also take complete weekly backups of the entire server. It is a Server 2003 R2 with AD and Exchange 2003 all on one box. One users inbox has disappeared. She has 19000+ junk items now. It is possible the inbox got mixed into the junk. Regardless it is such a huge mess she is not going to go through all of that.... I want to restore he mailbox from the backup. I followed this MS KB http://support.microsoft.com/kb/823176 I had to use Method 3. I have a VM of Server 2003 R2 with exchange but I am having failures on the restore from NT backup. The backup log just states to check the application log.... Application log points to backup log... Only info Is failed to restore Only thing different is the computer name... The only error I can find is in the Applicaiton log. Information Store Database not found All others just say that the backup failed. Any assistance is greatly appreciated.

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• How to find the cause of locked user account in Windows AD domain

  - by Stephane

  After a recent incident with Outlook, I was wondering how I would most efficiently resolve the following problem: Assume a fairly typical small to medium sized AD infrastructure: several DCs, a number of internal servers and windows clients, several services using AD and LDAP for user authentication from within the DMZ (SMTP relay, VPN, Citrix, etc.) and several internal services all relying on AD for authentication (Exchange, SQL server, file and print servers, terminal services servers). You have full access to all systems but they are a bit too numerous (counting the clients) to check individually. Now assume that, for some unknown reason, one (or more) user account gets locked out due to password lockout policy every few minutes. What would be the best way to find the service/machine responsible for this ? Assuming the infrastructure is pure, standard Windows with no additional management tool and few changes from default is there any way the process of finding the cause of such lockout could be accelerated or improved ? What could be done to improve the resilient of the system against such an account lockout DOS ? Disabling account lockout is an obvious answer but then you run into the issue of users having way to easily exploitable passwords, even with complexity enforced.

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• Hidden DNS master only sending notify to one slave

  - by Rob

  My hidden DNS master is only sending notifies to one of the name servers for a zone I have 3 named servers ns0,ns1 & ns2 all running bind 9.7.3.dfsg-1ubuntu4.1. When an update is processed the master (ns0) seems to behave normally. ns0 (192.168.2.50) zone domain.org/IN: sending notifies (serial 2012060703) client 192.168.2.52#42892: transfer of 'domain.org/IN': AXFR-style IXFR started: TSIG rndc-key client 192.168.2.52#42892: transfer of 'domain.org/IN': AXFR-style IXFR ended ns2 (192.168.2.52) client 192.168.2.50#3762: received notify for zone 'domain.org': TSIG 'rndc-key' zone domain.org/IN: Transfer started. transfer of 'domain.org/IN' from 192.168.2.50#53: connected using 192.168.2.52#55747 zone domain.org/IN: transferred serial 2012060704: TSIG 'rndc-key' transfer of 'domain.org/IN' from 192.168.2.50#53: Transfer completed: 1 messages, 34 records, 1028 bytes, 0.001 secs (1028000 bytes/sec) Nothing happens on ns1. I've turned up the logging level but there's no information in syslog about the actual name servers bind has sent notifications to so I guess this is something it doesn't log. I've also tried watching tcpdump, it never makes any attempt to notify ns1 only ns2 192.168.2.50.56278 > 192.168.2.52.53: [udp sum ok] 56418 notify [b2&3=0x2400] [1a] [1au] ? SOA? domain.org. domain.org. [0s] SOA ns1.domain.net. dnsmaster.domain.net. ? 2012060801 10800 3600 604800 3600 ar: rndc-key. ANY [0s] TSIG hmac-md5.sig-alg.reg.int. fudge=300 maclen=16 origid=56418 error=0 otherlen=0 (174) the authoritive zone has both ns1 and ns2 records $ORIGIN domain.org. $TTL 3h @ IN SOA ns1.domain.net. dnsmaster.domain.net. ( 2012060801 ; Serial yyyymmddnn 3h ; Refresh After 3 hours 1h ; Retry Retry after 1 hour 1w ; Expire after 1 week 1h ) ; Minimum negative caching of 1 hour @ 3600 IN NS ns1.domain.net. @ 3600 IN NS ns2.domain.net. // Edit I have added also-notify {192.168.2.51;192.168.2.52;}; explicitly to the zone file and it all works fine, both ns1 and ns2 get notify messages and transfers succeed. I was under the impression bind would automatically send notifies to all NS records on a zone, maybe it's bugged?

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• Auto Log-Off Windows users - Windows 2003 domain

  - by thehatter

  Hi! I am trying to make windows clients automatically log off after some time, I have been trying to use the winexit.scr which I have seen working else where in a similar environment. After working though these instructions (I did read the comments and notice the original ADM provided is buggy) I've had no joy what so ever! Winexit.scr refuses to read any settings in the registry, even while using a test account I can access the required reg key(s); edit, add, and remove values. Essentially winexit.scr always uses it's default values: 30 second timeout, no forced log-out. What I really want is a 30 minute timeout with a forced log-out, closing all the users apps etc. I've tried removing and re-adding the ADM template, creating the GPO from scratch several times, giving various registry permissions - including full control to "Everybody" just for fun! Oh, clients are all win XP SP3, DC is win 2003 R2 SP2. So, can anybody suggest something? Cheers!

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• Multicast hostname lookups on OSX

  - by KARASZI István

  I have a problem with hostname lookups on my OSX computer. According to Apple's HK3473 document it says for v10.6: Host names that contain only one label in addition to local, for example "My-Computer.local", are resolved using Multicast DNS (Bonjour) by default. Host names that contain two or more labels in addition to local, for example "server.domain.local", are resolved using a DNS server by default. Which is not true as my testing. If I try to open a connection on my local computer to a remote port: telnet example.domain.local 22 then it will lookup the IP address with multicast DNS next to the A and AAAA lookups. This causes a two seconds lookup timeout on every lookup. Which is a lot! When I try with IPv4 only then it won't use the multicast queries to fetch the remote address just the simple A queries. telnet -4 example.domain.local 22 When I try with IPv6 only: telnet -6 example.domain.local 22 then it will lookup with multicast DNS and AAAA again, and the 2 seconds timeout delay occurs again. I've tried to create a resolver entry to my /etc/resolver/domain.local, and /etc/resolver/local.1, but none of them was working. Is there any way to disable this multicast lookups for the "two or more label addition to local" domains, or simply disable it for the selected subdomain (domain.local)? Thank you! Update #1 Thanks @mralexgray for the scutil --dns command, now I can see my domain in the list, but it's late in the order: DNS configuration resolver #1 domain : adverticum.lan nameserver[0] : 192.168.1.1 order : 200000 resolver #2 domain : local options : mdns timeout : 2 order : 300000 resolver #3 domain : 254.169.in-addr.arpa options : mdns timeout : 2 order : 300200 resolver #4 domain : 8.e.f.ip6.arpa options : mdns timeout : 2 order : 300400 resolver #5 domain : 9.e.f.ip6.arpa options : mdns timeout : 2 order : 300600 resolver #6 domain : a.e.f.ip6.arpa options : mdns timeout : 2 order : 300800 resolver #7 domain : b.e.f.ip6.arpa options : mdns timeout : 2 order : 301000 resolver #8 domain : domain.local nameserver[0] : 192.168.1.1 order : 200001 Maybe it would work if I could move the resolver #8 to the position #2. Update #2 No probably won't work because the local DNS server on 192.168.1.1 answering for domain.local requests and it's before the mDNS (resolver #2). Update #3 I could decrease the mDNS timeout in /System/Library/SystemConfiguration/IPMonitor.bundle/Contents/Info.plist file, which speeds up the lookups a little, but this is not the solution.

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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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• POSTFIX bouncing when destination is my domain

  - by ZeC

  I am using provider mail hosting to send emails. On my Webserver I also have Postfix running and configured. Here is my main.cf smtpd_banner = $myhostname ESMTP $mail_name (Ubuntu) biff = no append_dot_mydomain = yes readme_directory = no smtpd_tls_session_cache_database = btree:${data_directory}/smtpd_scache smtp_tls_session_cache_database = btree:${data_directory}/smtp_scache myhostname = 2-5-8.bih.net.ba alias_maps = hash:/etc/aliases alias_database = hash:/etc/aliases myorigin = /etc/mailname mydestination = bhcom.info, 2-5-8.bih.net.ba, localhost.bih.net.ba, localhost relayhost = mynetworks = 127.0.0.0/8 [::ffff:127.0.0.0]/104 [::1]/128 mailbox_command = mailbox_size_limit = 10485760 recipient_delimiter = + inet_interfaces = 80.65.85.114 When I try sending email to my hosted domain name, every message gets bounced with this error: Nov 4 20:38:34 2-5-8 postfix/pickup[802]: 1492A3E0C6C: uid=0 from=<[email protected]> Nov 4 20:38:34 2-5-8 postfix/cleanup[988]: 1492A3E0C6C: message-id=<[email protected]> Nov 4 20:38:34 2-5-8 postfix/qmgr[803]: 1492A3E0C6C: from=<[email protected]>, size=348, nrcpt=1 (queue active) Nov 4 20:38:34 2-5-8 postfix/local[990]: 1492A3E0C6C: to=<[email protected]>, relay=local, delay=0.12, delays=0.08/0.01/0/0.04, dsn=5.1.1, status=bounced (unknown user: "info") Nov 4 20:38:34 2-5-8 postfix/cleanup[988]: 28ED53E0C6D: message-id=<[email protected]> Nov 4 20:38:34 2-5-8 postfix/qmgr[803]: 28ED53E0C6D: from=<>, size=2056, nrcpt=1 (queue active) Nov 4 20:38:34 2-5-8 postfix/bounce[991]: 1492A3E0C6C: sender non-delivery notification: 28ED53E0C6D Nov 4 20:38:34 2-5-8 postfix/qmgr[803]: 1492A3E0C6C: removed Nov 4 20:38:34 2-5-8 postfix/local[990]: 28ED53E0C6D: to=<[email protected]>, relay=local, delay=0.06, delays=0.03/0/0/0.02, dsn=5.1.1, status=bounced (unknown user: "razvoj") Nov 4 20:38:34 2-5-8 postfix/qmgr[803]: 28ED53E0C6D: removed However, when I try to @gmail.com, it sends message without problems, and here is log. What might be the issue? Nov 4 20:41:23 2-5-8 postfix/pickup[802]: B2EC63E0C6C: uid=0 from=<[email protected]> Nov 4 20:41:23 2-5-8 postfix/cleanup[1022]: B2EC63E0C6C: message-id=<[email protected]> Nov 4 20:41:23 2-5-8 postfix/qmgr[803]: B2EC63E0C6C: from=<[email protected]>, size=350, nrcpt=1 (queue active) Nov 4 20:41:23 2-5-8 postfix/smtp[1024]: connect to gmail-smtp-in.l.google.com[2a00:1450:4001:c02::1a]:25: Network is unreachable Nov 4 20:41:24 2-5-8 postfix/smtp[1024]: B2EC63E0C6C: to=<[email protected]>, relay=gmail-smtp-in.l.google.com[173.194.70.26]:25, delay=0.97, delays=0.08/0.01/0.27/0.62, dsn=2.0.0, status=sent (250 2.0.0 OK 1352058066 f7si2180442eeo.46) Nov 4 20:41:24 2-5-8 postfix/qmgr[803]: B2EC63E0C6C: removed

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