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• dd-wrt switch for PfSense

  - by Kmao

  I currently have eth2 on my pfsense set up, and configured as 192.168.1.1, it has dhcp setup with allocation being 192.168.1.10 - 192.168.1.245. On my dd-wrt box, i disabled the WAN, and set it to act as a port for the switch. I disabled dhcp, dnsmasq, spi firewall, Wlan0 and set a static IP for the router being 192.168.1.10 Pfsense is plugged into lan0 and pc plugged into lan1 (wan port is empty) I have followed a few different guides, but i can't seem to get my router to act as a switch. Anyone have success using DD-WRT as a switch while using pfsense as your dhcp/dns/gateway. Any advice would help :)

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• Do two portforward rules translate to "and"?

  - by blsub6

  I just set up an Exchange server to replace my DeskNow mail server. I want to start testing my internet mail exchange of my Exchange server. I can only set the MX records on my DNS up to my one external IP address so I was thinking that I could set up a firewall rule on my internet-facing firewall that port forwarded the smtp packets to two different servers. My question is: If I do that, will that mean that the smtp packets will be forwarded to just the first internal IP on the list? Or does it mean that the packet will be cloned and sent to both IPs?

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• Separation of static and dynamic content in Java EE applications

  - by Dan

  We work with IBM products and we typically use IBM Http Servers (read Apache) as a reverse proxy for our application servers. For performance reasons we serve static content (.gif, .jpg, .css, .html etc.) from our http servers, to ease the burden a bit from the application server. So far, we have to distribute files to http server and configure it manually (writing custom scripts at best.) The problem is the effort needed to keep everything in synch, especially when you need to update the app. Does any Java EE product support this “out of the box”? Is there a way to have application server do this automatically, like in cluster configuration for example, where master node is in charge of distributing the application to other nodes and for keeping everything in synch.

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• "Exchange Management Console" 2007 can't connect to Active directory on load : get-ExchangeServer

  - by Dragouf

  Since a little time I can't use Exchange Management Console on an exchange 2007 server because of a message which tell me that get-ExchangeServer return that active directory of my server is available. My config is : Windows server 2008 sp2 wit roles : DNS IIS Active Directory RAS and Exchange server 2007. Here is a screenshot of the error message (I run windows server 2008 french edition sorry) : in english : The following error(s) were reported while loading topology information: get-ExchangeServer Failed Error: Active Directory server <theserver> is not available. Error message: A local error occurred. A local error occurred. get-UMServer Failed Error: Active Directory server <theserver> is not available. Error message: A local error occurred. A local error occurred. Anyone know from where this problem is comming and how to resolve it ?

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• WCF over http settings needed

  - by Crishna

  Hello, We currently have a WCF Service that works over https. But we want to change it to make it work over just http. Could any one tell me what all do I need to change to make the the wcf service work over http. Below is my config file values. Is there anything I else I need to cahnge other than the web.config?? ANy help greatly appreciated <bindings> <basicHttpBinding> <binding name="basicHttpBinding_Windows" maxReceivedMessageSize="500000000" maxBufferPoolSize="500000000" messageEncoding="Mtom"> <security mode="TransportWithMessageCredential"> <transport clientCredentialType="Windows" /> </security> <readerQuotas maxDepth="500000000" maxArrayLength="500000000" maxBytesPerRead="500000000" maxNameTableCharCount="500000000" maxStringContentLength="500000000"/> </binding> </basicHttpBinding> </bindings> <behaviors> <endpointBehaviors> <behavior name="myproject_Behavior"> <dataContractSerializer /> <synchronousReceive /> </behavior> </endpointBehaviors> <serviceBehaviors> <behavior name="WebService.WSBehavior"> <serviceMetadata httpsGetEnabled="true" /> <serviceDebug includeExceptionDetailInFaults="true" /> </behavior> <behavior name="WebService.Forms_WSBehavior"> <serviceMetadata httpGetEnabled="true" /> <serviceDebug includeExceptionDetailInFaults="false" /> </behavior> </serviceBehaviors> </behaviors> <services> <service behaviorConfiguration="WebService.WSBehavior" name="IMMSWebService.mywebservice_WS"> <endpoint address="myproject_WS" binding="basicHttpBinding" bindingConfiguration="basicHttpBinding_Windows" bindingName="basicHttpBinding" contract="WebService.ICommand"> <identity> <dns value="localhost" /> </identity> </endpoint> <endpoint address="mex" binding="mexHttpsBinding" contract="IMetadataExchange" /> <host> <timeouts closeTimeout="00:10:00" openTimeout="00:10:00" /> </host> </service> <service behaviorConfiguration="WebService.Forms_WSBehavior" name="WebService.Forms_WS"> <endpoint address="" binding="wsHttpBinding" contract="WebService.IForms_WS"> <identity> <dns value="localhost" /> </identity> </endpoint> <endpoint address="mex" binding="mexHttpBinding" contract="IMetadataExchange" /> </service> </services>

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• Instructions to setup domain controller

  - by Robert Koritnik

  Where could I get best step by step instructions (with some simple explanations) how to setup domain controller on Windows Server 2008 R2 Server Core? I don't know what do I need? Do I need DNS as well and AD and so on and so forth. I don't know enough about these things, but I need to set them up to prepare development environment. I would also like to know how to configure firewall on DC machine, to make it visible on other machines because I've setup DC somehow but I can't connect to it... This is my HW config: Linksys internet router with DHCP my dev machine is Windows 7 my DC machine is a VM in my dev machine my dev machine has a network adapter to linksys and a virtual adapter to DC DC machine has two network adapters: one to linksys (to be inetrnet connected) and one to host (my dev Win7 machine)

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• Checking for reciprocal relationships in mysql. A trivial one table problem.

  - by calumbrodie

  I have a mysql table that stores relationships. Items can be related to another item in one direction, or both items can be related to each other. I want to return all items related to my primary item - but I also want to check to see if the related item has a 'reverse relationship' to the current item and show this as a boolean |--------------|---------------| | SKU | related_SKU | |--------------|---------------| | 0001 | 0099 | | 0002 | 0099 | | 0099 | 0001 | |--------------|---------------| If I want to get all relationships for SKU=0001 SELECT related_SKU from relationships where SKU='0001' returns |--------------| | related_SKU | |--------------| | 0099 | |--------------| but what I want is |--------------|---------------| | related_SKU | reciprocal | |--------------|---------------| | 0099 | 1 | |--------------|---------------| or SELECT related_SKU from relationships where SKU='0002' |--------------|---------------| | related_SKU | reciprocal | |--------------|---------------| | 0099 | 0 | |--------------|---------------| What's the best way to do this?

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• RDP add domain users broken

  - by Robuust

  I have 3 servers, - domain controller with dns services - dhcp/rras - file/random server with files stored on it and nothing special so far. All servers have static IP's All servers are in the same domain (SOFTWARE) RDP is enabled for all 3 servers All servers are Windwos Server 2008 R2 I can connect to the DHCP/RRAS server via RDP I cannot connect to DC and File server When I add RPD users (both are domain admin for testing) to the File server they show up like this: What is happening what I don't see? And additional why don't I even get a login screen for RPD? Thanks in advance.

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• Error when adding to the domain : the specified server cannot perform the requested operation

  - by James

  When we add computers to the domain in Windows 7, we get the error: Changing the Primary Domain DNS name of this computer to "" failed. The name will remain "domain.com". The error was: The specified server cannot perform the requested operation. This happens on multiple computers and retrying yields the same result. Despite the error, the computer is still able to login to the domain ok. The DCs are windows 2003. Has anyone found a way to get rid of this error? Any help is appreciated.

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• IPv6 6to4 on Windows Server

  - by Graham Wager

  I'm looking for a relatively simple guide to setting up an IPv6 tunnel properly. This network currently has a server (Windows Server 2008R2) running RRAS that establishes connectivity to the internet using a demand-dial PPPoE connection and handles the NAT. It also hosts a DNS server and DHCP. My ISP does not support IPv6, but I have a static IPv4 address. I've read about 6to4 and signed up at tunnelbroker.net, but quickly felt out of my depth. How do I configure my network to use it, and how I should configure my DHCP server with regards to IPv6 addresses?

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• How to configure Windows Server 2008 DHCP to supply unique subnet to a remote site?

  - by caleban

  The Main site hosts the only Windows Server. Windows Server 2008 R2 Domain Controller running AD, DNS, DHCP, Exchange 2007. Remote site has no Windows server. Main site subnet is 192.168.1.0/24 Remote site subnet is 192.168.2.0/24 The Windows Server at Main site is supplying 192.168.1.0/24 via DHCP to hosts at the local site where it resides. Is it possible to configure that Windows Server to supply 192.168.2.0/24 to hosts at the Remote site and if so how? We could use the Cisco router at the Remote site to supply DHCP but if possible we'd like to use the Windows Server at the Main site to supply DHCP.

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• Highly Available Web Application (LAMP)

  - by Anthony Rizzo

  I work for a small company who provides a web application for thousands of users. Earlier this year they had one server hosted one company. We recently acquired another server in a different location with the hopes of one day making this a redundant failover machine. I understand what to do with the mysql replication, I plan on using a master-master replication setup, and rsync to sync the scripts and files, however I am at a stand still about how to configure the fail-over. Ideally I would like the two machines to accept requests, like a round robin dns, however if one machine goes down I do not want requests to go that machine. All of the solutions I am come across assumes high availability of servers in the same location, these servers are in two completely different locations with different public ip address. Any help would be great. Thanks

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• Problems crossing the boundary between protected greasemonkey execution space and the unsafeWindow l

  - by Chilly

  Hi guys. Here is my problem: I've registered some callbacks into a Yahoo event driven webpage (betfair.com market views) and am trapping the betsPlaced events with a handler. So far so simple. Next stage is to get the event back into greasemonkey land, and while I know that from greasemoney space you can call unsafeWindow.stuff, there is no reverse operation (by design). So if I want to send the contents of the event over, say, a cometd queue, my carefully set up jquery, greasemonkey, YUI2, betfair environment fails by telling me that unsafeWindow processes cant call GM_ajax stuff. This is obviously safe and sane, but it basically stops me doing what I want to do. Has anyone tried doing this (ignore the cometd stuff, just general ajax calls) and succeeded? I've had a look at pages like this: http://wiki.greasespot.net/0.7.20080121.0%2B_compatibility but it doesnt appear to work for all the calls.

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• WDS - Clients receive Error: PXE-E53: No boot filename received

  - by Ninja2k

  I have setup WDS on Windows 2008 server in a Vmware box so I can practise setting up WDS,the server has DNS and DHCP as well as AD, the boot image is confirmed as working but when my clients try to boot up it does not work. I have checked the following: Clients can ping the WDS server. The WDS service is started Boot images for X86 and X64 are deployed. HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\services\WDSServer\Providers\WDSPXE UseDhcpPorts has been set to 0 My clients just receive Error: PXE-E53: No boot filename received. Any idea what could be wrong?

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• RRAS Svr on win 2003 provides same gateway as the ip to vpn clients and subnet as 255.255.255.255

  - by Amit Phatarphekar

  Hello - I've setup a RRAS Svr on win 2003 svr, to provide VPN access to clients. I've followed all directions in microsoft documentation to finish the setup. A VPN client successfully connects when I connect to the VPN svr. But when I look at the ipconfig info, I see that the IP and Gateway are same and subnet is 255.255.255.255. Example IP - 10.0.0.121 Gateway - 10.0.0.121 subnet - 255.255.255.255 DNS - 10.0.0.12 What am I doing wrong?

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• Can ping localhost but can't browse

  - by Anna

  I know this is a pretty common question but I did my research and couldn't find a solution for this issue. I'm configuring a development application server and I came to the point where I can ping both localhost and 127.0.0.1, but I cannot browse either of them from IE or Firefox. I can browse and ping other websites (such as google) just fine. I tried flushing the dns (ipconfig /flushdns), restarting the IIS Admin service, restarting IIS itself, etc, and nothing seems to work. The results from ipconfig /all shows IP Rounting Enabled = No and WINS Proxy Enabled = No. Hwat is intriguing to me is that I compared everything in IIS in the dev environment with the production environment and the settings are the same, but I can browse localhost in production, but not in dev! What could be causing the inability to browse localhost and 127.0.0.1 from IE and Firefox?

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• Running "ipconfig /displaydns" in cmd prompt still displays results even after I run "ipconfig /flushdns"

  - by 400_THE_CAT

  Whenever I run "ipconfig /displaydns" I get a long list of sites even after running "/flushdns." I thought my results should be empty considering /flushdns. Is this normal behavior? I also noticed that after I run /flushdns and browse the internet for a couple of hours, my list of cached sites doesn't really change. Google.com, for example isn't on the list but a bunch of sites I've never visited do show up in my DNS cache. Can someone explain this?

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• Compressing a hex string in Ruby/Rails

  - by PreciousBodilyFluids

  I'm using MongoDB as a backend for a Rails app I'm building. Mongo, by default, generates 24-character hexadecimal ids for its records to make sharding easier, so my URLs wind up looking like: example.com/companies/4b3fc1400de0690bf2000001/employees/4b3ea6e30de0691552000001 Which is not very pretty. I'd like to stick to the Rails url conventions, but also leave these ids as they are in the database. I think a happy compromise would be to compress these hex ids to shorter collections using more characters, so they'd look something like: example.com/companies/3ewqkvr5nj/employees/9srbsjlb2r Then in my controller I'd reverse the compression, get the original hex id and use that to look up the record. My question is, what's the best way to convert these ids back and forth? I'd of course want them to be as short as possible, but also url-safe and simple to convert. Thanks!

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• Want to SASL/TLS authentication

  - by Naval

  I want to send mail from remote client from my server(centos 5 and 64 bit) for this i need to sasl auth but i have no idea about it what changes i have to make in my server and client here I want to make things more clear my server's hostname/Ip is = test02.s80.in/176.67.172.209 now i want to authenticat remote client vps2.smail.info and vps1.smail.info to deliver mail .. so plz help me if any systematic way to do sasl/tls authentication for these clients... i am using DNS load-balancing(round-robin) mx record lookup technique for load balancing..

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• How to Setting up Amazon EC2 with own OS and DB?

  - by SLim

  i got my own version of OS and DB which are window server 2008 Hyper-V R2 and Sql server R2 2008 both in enterprise version may i know how to configure it up and running ? with amazon EC2, what other is a must combination to make it run ? also how could i install the operating system and DNS ? i never doing server before, but i just need something like VPS to support my development and testing. Amazon Ec2 seem the best and cheapest service due to only $1 per hour.

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• ipconfig /release not working, why?

  - by barlop

  ipconfig /release is not working, why is that? here is a sequence where I put my cable in get an IP, try ipconfig /release and it tells me it can't release wireless, but there is no wireless connection. i'm just trying to release the wired one. C:\>ipconfig Windows IP Configuration Ethernet adapter Wireless Network Connection: Media State . . . . . . . . . . . : Media disconnected Ethernet adapter Local Area Connection: Media State . . . . . . . . . . . : Media disconnected Fine so I plug my cable in C:\>ipconfig Windows IP Configuration Ethernet adapter Wireless Network Connection: Media State . . . . . . . . . . . : Media disconnected Ethernet adapter Local Area Connection: Connection-specific DNS Suffix . : IP Address. . . . . . . . . . . . : 0.0.0.0 Subnet Mask . . . . . . . . . . . : 0.0.0.0 Default Gateway . . . . . . . . . : C:\>ipconfig Windows IP Configuration Ethernet adapter Wireless Network Connection: Media State . . . . . . . . . . . : Media disconnected Ethernet adapter Local Area Connection: Connection-specific DNS Suffix . : IP Address. . . . . . . . . . . . : 192.168.1.8 Subnet Mask . . . . . . . . . . . : 255.255.255.0 Default Gateway . . . . . . . . . : 192.168.1.254 Fine so from above, it clearly has an iP C:\>ipconfig /release Windows IP Configuration No operation can be performed on Wireless Network Connection while it has its me dia disconnected. C:\>

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• What is a SIP 'Gateway' and how is different from a SIP Proxy/Registrar?

  - by Shrey

  Recently I started looking at SIP implementation for a future work. I was reading (Googling) about what SIP means and how to go about implementing a end-to-end SIP enabled VoIP network. What I did not get is what use does a SIP Gateway is for? How different is it with respect to SIP proxy servers or a SIP DNS/Locator like server? I understand probably QoS would be one primary factor - like dedicating a set bandwidth for SIP/VoIP specific I/O over a network. Anything else? Can anyone help me with any other hints/pointers? I fully understand that is quite a basic question - but I really couldn't find any text which could clear my doubt about what 'Gateway' would mean in SIP context and what differentiates it from other SIP based network components (like Softphones, Proxies etc). Thanks a lot.

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• Cannot acess the new cloned server even after new IP address assignment

  - by tough

  I was able to clone a Ubuntu 10.04 server residing in Cloud. It appeared that I was not getting some IP for the new VM so I followed some of these: # cd /etc/udev/rules.d # cp 70-persistent-net.rules /root/ # rm 70-persistent-net.rules # reboot I didn't follow the later commands as I was unable to see two eth MACs as available in the referenced site. After this I am able to see some the IP for it, and is different form the original IP, I have added new IP to DNS server. Now when I try to access it with its assigned(new) domain it is directed to the old server. I can see both the VMs running with different IP. Where I might have gone wrong, I am new to this admin thing.

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• LAMP Server without single failure point + Global Server Load Balancing?

  - by José Nobile

  I want implement a LAMP Server (Linux Apache MySQL PHP) without a single failure point and with Global Server Load Balancing. I have a server in Cali, Colombia, and other server will be installed in Melbourne, Australia, user in America can use the Cali Server and in Europe, Asia, Africa or Oceania use the Melbourne Server. If any server fail (or load is excessively high), a server must answer all request. Data in MYSQL must be in sync, php files, any configuration in both server must be in sync. I read about of Google DNS Server 8.8.8.8 and 8.8.4.4 and ANY Cast, also about MySQL semisynchronous replication and MySQL Cluster, but what about other things, as crontabs, and the configurations in server? The solution can't depend of APNIC or BGP, only open source software running in Linux.

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• IRC Services with failover support?

  - by insertjokehere

  I run a single server (call it 'server A') IRC 'network', and thank to the generosity of some friends, I have been given a second server ('server B') that I can run an IRCd on in order to provide redundancy in case server A crashes. This is fine, I can set up a round-robin DNS with the servers linked. The problem I have is what to do about services? Does anyone know of a way to get the services to 'fail over' in case of a server failure? Eg, Server A starts off running the services, but suddenly crashes. Server B detects this and starts its own copy of the services (ideally with the same configuration and data as the services on Server B) One solution that comes it mind is to write a bot that each server runs, that sit in a channel periodically checking if the bot from the other server is in the channel. If it is, then all is well. If not, then failover. I would prefer not to have to code this myself though We are currently using Unreal IRCd and Anope services on Linux

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