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• Can a webite have too many bindings?

  - by justSteve

  IIS7.x on a win08 web version on a dedicated server. I have a site that's serving a few dozen affiliates - many of which are hitting me via a subdomain from their own root domain - all of which have a subdomain specific to their account. E.G. my affiliate named 'Acme' hits my site via: myApp.Acme.com (his root, my app) Acme.MyDomain.com (his account within my root domain) Currently I'm adding each of these as a binding entry in IIS (targeting a discrete IP, not '*'). As I ramp this up to include more affiliates I'm wondering if I should be concerned about how many binding this site handles. Proabaly, in Acme's case I can do without the 'Acme.MyDomain.com' because, in reality, all traffic takes place via myApp.Acme.com. Mine is a niche site - very volume compared to most. At what point do I worry about all those bindings? thx

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• Cannot open any web page, but MSN Messenger works

  - by Steven

  I use my computer behind a router. My MSN program can connect to the Internet, but I can not open any web site with my web browser. It seems that this problem is related to DNS because when I input an IP address directly in the address bar of my web browser, the web page can be displayed. However, I don't know how to fix this problem. I choose Google Public DNS server on my computer, this problem still exists. My OS is windows XP. How to fix this problem? Any ideas?

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• My D-Link Router is only allowing one connection

  - by Blaze

  My Router (Model: DI-624) is only allowing one wireless connection to one laptop. The other laptop is stuck hanging at connecting to the Internet I have the SSID set as "Pedro-Home" and is using a WPA PSK secured password. I have set the router using "Blaze-PC" while wired. Both Laptops critically need the Internet. > Dynamic DHCP Client List > > Host Name IP Address MAC > Address Expired Time > Blaze-PC 192.168.0.100 70-f1-a1-ff-39-a8 Apr/21/2011 17:49:14 > pedro 192.168.0.105 00-26-82-c8-47-25 Apr/21/2011 17:50:05 <<This computer isn't connecting.

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• AXFR problem using gradwell secondary DNS

  - by Roaders

  Hi All I use Gradwell.com to provide secondary DNS but I keep getting e-mails along the lines of the following saying that it's not working: You have asked us to provide a secondary DNS service for the following domain(s) Unfortunately, the primary DNS server(s) you specified are not permitting the necessary zone transfers from our servers, or they are not answering "SOA" queries for your domain correctly. I have gone through the support procedure and they weren't that helpful. They have suggested the following: Our secondline team have suggested setting the AXFR to use anouther machine. This will ensure that the transfer is not locked down to one machine and should allow any machine to make the request I don't really know what AFXR is and I only have 1 production machine so I can't set the AFXR to use another one! In previous support correspondence we confirmed that I am allowing transfers to the correct IP and that I have the correct ports open on the firewall. I am running Windows Server 2003. What can I do to try and get these zone transfers working? Thanks

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• iptables: built-in INPUT chain in nat table?

  - by ughmandaem

  I have a Gentoo Linux system running linux 2.6.38-rc8. I also have a machine running Ubuntu with linux 2.6.35-27. I also have a virtual machine running Debian Unstable with linux 2.6.37-2. On the Gentoo and Debian systems I have an INPUT chain built into my nat table in addition to PREROUTING, OUTPUT, and POSTROUTING. On Ubuntu, I only have PREROUTING, OUTPUT, and POSTROUTING. I am able to use this INPUT chain to use SNAT to modify the source of a packet that is destined to the local machine (imagine simulating an incoming spoofed IP to a local application or just to test a virtual host configuration). This is possible with 2 firewall rules on Gentoo and Debian but seemingly not so on Ubuntu. I looked around for documentation on changes to the SNAT target and the INPUT chain of the nat table and I couldn't find anything. Does anyone know if this is a configuration issue or is it something that was just added in more recent versions of linux?

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• Recommendation for a non-standard SSL port

  - by onurs

  Hey guys, On our server I have a single IP, and need to host 2 different SSL sites. Sites have different owners so have different SSL certificates, and can't share the same certificate with SAN. So as a last resort I have modified the web application to give the ability to use a specified port for secure pages. For its simple look I used port 200. However I'm worried about some visitors may be unable to see the site because of their firewalls / proxies blocking the port for ssl connections. I heard some people were unable to see the website, a home user and someone from an enterprise company, don't know if this was the reason. So, any recommendations for a non-standard SSL port number (443 is used by the other site) which may work for visitors better than port 200 ? Like 8080 or 8443 perhaps? Thanks!

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• Newly added virtualhost not working, domain points to /var/www/

  - by Morgan

  I've had no problem with vhosts before, but for some reason this one isn't pointing to the right document root. The domain is pointing to the correct IP, apache sees no errors with the config file in sites-available, yet it just isn't pointing correctly. Here is the vhost config for the domain: <VirtualHost *80> ServerAdmin [email protected] ServerName mydomain.info ServerAlias www.mydomain.info DirectoryIndex index.html DocumentRoot /var/www/vhosts/mydomain.info/htdocs LogLevel warn ErrorLog /var/www/vhosts/mydomain.info/log/error.log CustomLog /var/www/vhosts/mydomain.info/log/access.log combined </VirtualHost> For the record, I am running Apache2 on Ubuntu 12.10

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• What are the IPv6 Public and Private and Reserved ranges

  - by vipin raj

  I just want to know what are all the public IPv6 ranges which ISPs or other users can use? Also need a list of addresses which can be used in private networks and also the list of addresses which never can be used in any network. I have been searching through different web sites. But none gives a reliable answer. Actually we are developing an application which allows user to plan their IP address(create supernets, subnets, hosts, assign host to ports etc). So my application should be able to distinguish between all kinds of address ranges, whether it is reserved, public, private, multicast etc

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• Setting up WAMP to run on a LAN

  - by Steve

  I've installed WAMP on a Windows 7 PC, and it is running fine locally, as localhost. I want PCs on the LAN to be able to view the local server. When they load my PC's IP address in their browser, they receive a "You don't have permission to access / on this server" error. I followed this guide, but the issue remains. To recap: I've added an inbound exception to Windows Firewall for port 80 for Private and Domain connections. I've edited Apache's httpd.conf to include: Listen 80 Listen 192.168.0.5:80 < Directory "c:/wamp/www/wordpress/" allow from all < /Directory I've edited httpd-vhosts.conf to include: < VirtualHost 192.168.0.5:80 DocumentRoot "C:/wamp/www/wordpress" < /VirtualHost Any ideas?

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• a load balancing scenario using HAProxy and keepalived shows no performance advantage

  - by chakoshi

  Hi, I am trying to setup a load balanced web server scenario, using two HAproxy load balancers and two debian web servers following this guide http://www.howtoforge.com/setting-up-a-high-availability-load-balancer-with-haproxy-keepalived-on-debian-lenny. the setup is working but the results of simple performance benchmarking is not what I expected. I tried apache benchmark tool to send lots of requests to servers (one time directly testing one of the web servers and the other time testing through the load balancer) using the command "ab -n 1000000 -c 500 http://IP/index.html", but the test results shows better performance for the single server without load balancer. can any one tell me if I'm going wrong on some thing?

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• Problem connecting to MySQL with zend

  - by wheresrhys

  I've set up a virtual host on my local machine (windows xp with xampp installed), have installed zend there and am now trying to connect to the MySQLdatabase. I get the following error message: Message: SQLSTATE[HY000] [2003] Can't connect to MySQL server on ''myhost.com'' (10060) All the tips I've found via google haven't helped. I use kaspersky antivirus and have added port 3306 to the allowed list for MySQL and Apache. I've also pinged myhost.com:3306 and get a response (with ip address 67.63.50.51), though localhost:3306 and 127.0.0.1:3306 aren't found. I've checked that other apps can still access MySQL if the virtual host is pointed at them instead and my non zend apps do work. I guess I have to do something further to the port, or maybe force the app to use a different port, but am not sure how to do either. Any help appreciated.

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• How to failover to local account on a cisco switch/router if radius server fails?

  - by 3d1l

  I have the following configuration on a switch that I testing for RADIUS authentication: aaa new-model aaa authenticaton login default group radius local aaa authentication enable default group radius enable aaa authorization exec default group radius local enable secret 5 XXXXXXXXX ! username admin secret 5 XXXXXXXXX ! ip radius source-interface FastEthernet0/1 radius-server host XXX.XXX.XXX.XXX auth-port 1812 acct-port 1813 key XXXXXXXXX radius-server retransmit 3 ! line con 0 line vty 5 15 Radius authentication is working just fine but if the server is not available I can not log into the router with the ADMIN account. What's wrong there? Thanks!

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• Sendmail problem

  - by trobrock

  I am trying to get my server to be able to send email from PHP. Currently it is using send mail, but whenever I try to send mail to a gmail address I get this sort of response: --o54Mqd5s008981.1275691959/ServerName Content-Type: message/delivery-status Reporting-MTA: dns; ServerName Received-From-MTA: DNS; localhost Arrival-Date: Fri, 4 Jun 2010 22:52:38 GMT Final-Recipient: RFC822; [email protected] Action: failed Status: 5.7.1 Remote-MTA: DNS; gmail-smtp-in.l.google.com Diagnostic-Code: SMTP; 550-5.7.1 [xxx.xxx.xxx.xxx] The IP you're using to send mail is not authorized Last-Attempt-Date: Fri, 4 Jun 2010 22:52:39 GMT How can I set this up to relay through a google account that I own? Is sendmail the best thing to use, or should I switch to Postfix or something? This is on an Ubuntu Server 9.10

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• Running Multiple sites with multiple domains apache

  - by PsychoData

  I am having a rough time running apache and using multiple domain names here is a snippet of my config file. I keep getting a error saying that NameVirtualHost has no VirtualHosts. I want them both running on the same IP and I'm not sure why this doesn't work. I've been digging through the documentation for VirtualHosts, NameVirtualHost, and apache's page about name based virtual hosting. That example in the name based page is almost exactly my config! What am I doing wrong? Listen *:80 NameVirtualHost *:80 <VirtualHost *:80> ServerName www.sample1.net DocumentRoot /var/www/sample1-net </VirtualHost> <VirtualHost *:80> ServerName www.example2.net DocumentRoot /var/www/example2-net </VirtualHost>

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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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• Configuring squid as reverse proxy

  - by Hassan

  I am having trouble configuring squid to work as reverse proxy here is my scenario squid is installed on server with ip 10.1.1.139 I have another computer that is acting as my proxy server 10.1.85.106 which has access to 10.1.85.106/program I want 10.1.1.139/program to be redirected to 10.1.85.106 I have added cache_peer 10.1.85.106 parent 80 0 no-query originserver name=server_1 cache_peer_domain server_1 /program /program/ program when I go to 10.1.1.139/program I get "The following error was encountered while trying to retrieve the URL: /program Invalid URL" Since the error is not related to access denied I don't think it is due to access restrictions. Do I need to add anything else? Thanks for your time

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• Computers "applying computer settings" for a long time on start-up...why?

  - by tombull89

  Hello. Might be a bit of a slong shot but I'm stumped, along with the ICT Manager for the school I'm working it. In one of the IT rooms when you switch a computer on it will boot through BIOS fine, but when it gets to "applying computer settings" it can hang for a long time (~15 minutes). If you unplug the computer from the network it starts up fine, gets to the login screen, then you can plug the network cable in and it will work fine. I don't think it's anything to do with the fact we've been coming close to running out of IP addresses or a problem with our DHCP. Microsoft KB says apply the latest service pack, which we've done, and check a service. Servers and domian controllers are S2003, Computers and Desktops are XP. Does anybody have any thoughts on what to try?

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• TCP connection between PCs in home wi-fi network

  - by Nordvind

  I want to establish a connection between 2 PCs. Point is to practice in writing client-server applications and similar stuff. I've heard around, that I can access another PC in network by address like "Router IP:port number". Am I right or i got it wrong? So how do I configure router to let connections to certain ports? And what would address look like, if I'm, say, connecting to 80 port on my home server? P.S. Will be grateful for links to some tutorials on this matter, if any.

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• Problems connecting Centos on VMware to the network using bridged connection.

  - by Sakin

  Hi, I installed CentOs on VMware running on windows XP. When trying to configure it to connect to the internet in a bridged configuration, I get an error message when trying to bring up the network interface: [root@VMLinux ~]# /et/init.d/network start Bringing up loopback interface: [ OK ] Bringing up interface eth0: Determining IP information for eth0... failed [FAILED] VM is running on a machine that has access to the network, I tried it on two different networks that have DHCP enabled. Everything works fine when using a NAT connection through my host. How can I make the bridge work for me? Thanks.

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• Will disabling NAT on my wireless router cause a performance hit on my DSL router?

  - by user117313

  I have a Thomson TG508v2 router/modem and a brand new AirPort Extreme connected to it. At first, I set the AirPort Extreme to "share a public IP", which enables DHCP/NAT. Everything works great but I was having the Double NAT error. So I set the AirPort Extreme as bridge mode, which disables DHCP/NAT and let my crappy modem handle my internal network IPs. Will this cause any performance hit in my network? I'm worried because I'll outsource this job from AirPort Extreme (premium hardware) to the crappy modem. Before you suggest, I tried setting my modem as a bridge and configuring PPPoE on the AirPort Extreme, however it wouldn't connect to the internet, so I just dismissed leaving the modem as bridge.

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• Nginx server_name is set to mydomain.com, so why is www.mydomain.com getting served too?

  - by Lorenz Forvang

  I have my Nginx conf set up as follows: server { listen 443 ssl; server_name mydomain.com; ... } When I load https://mydomain.com, the site loads fine. But when I load https://www.mydomain.com, the site loads as well. Why is this happening? I set up the DNS records using Amazon Route 53 as: A mydomain.com xxx.xxx.xxx.xxx (IP) CNAME www.mydomain.com mydomain.com So is a request to www.mydomain.com arriving at Nginx as a request to mydomain.com? If so, how do I differentiate requests to www.mydomain.com and mydomain.com at my server?

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• How can I access an Apple Xserve with no I/O ports

  - by DigitalJedi805

  I have an Apple Xserve at my place of employment, that I stumbled across one day going through some old equipment. The Xserve has one card installed on it, being the NIC, and is labelled with the static IP adresses that it has assigned, but other than that it is totally 'headless'. I would like to put it to use ( by either rolling it over to a Linux, or Windows Server 08 environment... 0_o ) but have yet to figure out how to get into the system to manage it. I'm a frequent at StackOverflow, but this is my first SuperUser post, so please let me know if this should be on one of the affiliate sites.

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• Windows Server 2008 SOMETIMES blocks connection to an FTP Site

  - by ssilver2k2

  Hello Everyone Recently, our company has been having issue connecting to a special FTP server that we use offsite to upload small files. We can connect to the test server perfectly fine, but when we use the production ftp, it only randomly connects. If I plug my laptop directly into the modem and pull one of our other static IP addresses, I can connect just fine, but if I use our internal network, it is hit or miss. Also, turning OFF the firewall does NOT change the status of our connection problems. It will still time out. The weird issue is that it sometimes works, and when it does, it instantly asks for credentials and logs us on for that session, but if we disconnect and try again, it may or may not work. This also coincidentally occurred after uninstalling hamachi, and it blew away our internet settings on our Windows Server 2008 box, but everything else is working fine, and it was working fine before hamachi was installed.

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• A design for watching IPTV anywhere in the house?

  - by Carlos

  I'm currently getting TV and internet via IP to my house. The service comes into an ISP-supplied Router (ST585) which is in turn connected to an IPTV box. I need to replace the router, as it's port forwarding seems to be broken, so I was thinking of getting a box with an IGMP proxy. I once mistakenly got a non-IGMP box, with the result that the internet worked, but the IPTV didn't. The trouble is, I have no idea how to set up the IPTV part of the installation. I do have a copy of the ST585 configuration, but it doesn't look anything like the Cisco stuff that I learned about at CCNA. What are the steps necessary to reproduce the IGMP setup? I was thinking of WireSharking the communications on the network, but I suppose I'd need a hub for that? As a bonus, since the packets are coming in with the TV signal, is it possible to mess with the IGMP setup so I can watch TV anywhere in the house?

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• A design for watching IPTV anywhere in the house?

  - by Carlos

  I'm currently getting TV and internet via IP to my house. The service comes into an ISP-supplied Router (ST585) which is in turn connected to an IPTV box. I need to replace the router, as it's port forwarding seems to be broken, so I was thinking of getting a box with an IGMP proxy. I once mistakenly got a non-IGMP box, with the result that the internet worked, but the IPTV didn't. The trouble is, I have no idea how to set up the IPTV part of the installation. I do have a copy of the ST585 configuration, but it doesn't look anything like the Cisco stuff that I learned about at CCNA. What are the steps necessary to reproduce the IGMP setup? I was thinking of WireSharking the communications on the network, but I suppose I'd need a hub for that? As a bonus, since the packets are coming in with the TV signal, is it possible to mess with the IGMP setup so I can watch TV anywhere in the house?

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