IP - Internet Protocol, the most commonly-used set of rules for dispatching data across a large computer network.

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Configuring wireless network with multiple AP's

I have my primary router running ubuntu, which has been working fine for my basically very tiny large-scale setup (if that makes any sense at all). I got a handful of extra soho routers which I ...
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5answers
4k views

openVPN and multiple external IP addresses

I currently have an openVPN server with multiple external IP addresses. I'd like to have all VPN connections (tun0 interface, and/or 10.19.88.xx IP range) to take the 2nd external IP address as ...
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4answers
20k views

How is route automatic metric calculated on Windows 7?

KB299540 explains how Windows XP automatically assign metrics to IP routes: The following table outlines the criteria that is used to assign metrics for routes that are bound to network interfaces ...
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3answers
978 views

OpenVPN: Route all traffic through server from client config

Is it possible to somehow force all IP traffic through our corporate OpenVPN server by just changing the client config?
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1answer
2k views

Public and private hosts in the same BIND zone

For my particular setup, I've got control of a BIND 9 zone file for, say, example.com. There are several hosts in this zone, such as www.example.com and mail.example.com. I want the public internet ...
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3answers
1k views

Resolve the same DNS name to different IPs depending on client IP network

Is it possible to setup DNS server (Win2k8) thus the same DNS name (an A record) is being resolved to different IPs depending on some option. E.g. example.com for clients from 192.168.0.0 to ...
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1answer
96 views

COTS T1 over Ethernet/IP solution?

I am looking into a low cost solution to run a T1 link over ethernet, I found this one: http://www.rad-direct.com/Product-TDMoverIP-Gateway-IPMUX11.htm $1500 for the link. Anoyne else have other ...
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5answers
90k views

How to work out how many IP's you've got available on a /29 network mask

This might sound like a stupid question but I would really like to know how I would work out how many IP's I've got available on this network range: 196.44.198.32/29 Can someone explain it to me, ...
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3answers
18k views

Adding a second IP to Debian Server

I was given a second IP by my server provider. I am running Debian 5.0. I thought I knew how to add the IP to the system and configure with apache, but I have not yet been able to. The primary IP ...
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2answers
1k views

How can I do a “Coming Soon” redirect on IIS6 for everyone except a couple specific IPs?

We're about to do some major maintanence on an IIS 6 / ASP (Classic) website. We want all visitors to be redirected to a "Coming Soon" page (or something similar). This should NOT apply to our dev ...
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6answers
3k views

Can I ping 127.0.0.1 if my computer isn't connected to a network?

Does pinging 127.0.0.1 work on your machine if it's not on the network? Can these two machine be on the same network? machine A (192.168.173.11) machine B (192.168.163.11)
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4answers
2k views

Restrict VPN client traffic to certain domains/IP

Is there any way to restrict a VPN client to only route certain traffic via the VPN and the rest via their local gateway? For example: traffic to a certain IP or domain gets routed across the VPN and ...
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5answers
764 views

Windows 2008 Firewall IP Range

I've got a port exception that I've added to Windows Firewall. And under Scope, I'm able to add specific IP addresses allowed, each separated by a comma. The problem is, how can I enter a range of ...
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4answers
331 views

program to monitor connectivity [duplicate]

We are a medium sized company which has VPNs to more than 20 locations. We sometimes get complaints regarding access to the terminal server, and I would like to diagnose this as either a server issue ...
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4answers
2k views

What is the origin of the private network address 192.168.*.*?

I had a smart (but non-technical) user ask me today: Why did they pick 192.168.. for a private network address? The only answer I could come up with is because 192 = 11000000 in binary. And 168 is ...
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1answer
546 views

JBoss Application Server on Rackspace Cloud/Mosso

So,I have a cloud account with Rackspace Cloud. I've set up a server with them. They gave me an IP and a password. I SSH'd to the machine, installed Mysql-server, Java and JBoss 5.0.1. I started JBoss ...
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3answers
3k views

Windows 2003 Server Static IP resets to DHCP on reboot

I have a customer who has a Dell Server running Win 2003 R2 Server. This is an existing machine that we had setup with a static IP. Now they want to change it to another static IP. When they go and ...
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2answers
909 views

Windows 7 RDP Problem - connecting to external zone with computer names

I recently installed Windows 7, all is well so far, apart from using RDP to access computers outside my domain. We use a datacenter, outside of our domain. I was using Windows Vista before (not sure ...
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2answers
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ip address scope parameter

In Linux, the command ip address add [...] has a scope argument. The man page says that the scope is "the scope of the area where this address is valid". Follows the list of legal scopes: global ...
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4answers
193 views

How to setup and use a fixed IP address on a PC

I have a communications application that has a server side component which requires either a known IP address or name (e.g. www.commserver.com) for communications to take place. For communications ...
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4answers
2k views

Should eth0:0 have the same IP as eth0?

I've recently installed Gentoo on a dedicated server. I have 6 IPs, and I forgot to write down one config before I erased the CentOS install. Should I have eth0 = ip1 eth0:0 = ip2 eth0:1 = ip3 eth0:2 ...
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3answers
363 views

add an extra ip to fedora 6

How can i add an extra ip (the server already has one ip now) to fedora 6 in command line? Thanks!
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3answers
823 views

Block IPs in apache2

Ok another noob questions here. I have serveral IP's probing my server for phpmyadmin and other administrator stuff, looks like they're looking for something to hack, but honestly I don't care who ...
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3answers
438 views

NameServers Changed:How to check the domain name hitting my server?

How do I check the domain name that has been used to access my server using PHP? I have several domains that I have changed the name servers for and now I want to be able to check the domain that is ...
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1answer
5k views

Change TeamCity IP address and port number on multi-homed Windows Server 2008 running IIS 7

After two full days of "research" (read: banging my head against my keyboard) and cursing at TeamCity/MSDN/Tomcat documentation as well as phantom IIS bindings, I've come up with an answer to a very ...
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2answers
8k views

Multiple IP addresses on one NIC register twice in DNS server

We've got a build server (Windows Server 2008 SP2, 64-bit) which has one NIC and two IP addresses registered to that NIC (192.168.1.30 and 192.168.1.31). The build server is registering two identical ...
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2answers
3k views

How can I configure qmail to send using a different IP per domain?

I would like to configure qmail to send email for certain domains using specific IPs for the outbound traffic. All other domains could continue to use the system's primary IP as usual. Is this ...
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3answers
2k views

How to add IP range to a server?

First of all I must say that I'm ver inexperienced server and network user. But I rented a unmanaged dedicated server. Well I didn't know what unmanaged really means, then I learned it when I needed ...
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2answers
592 views

Extending a subnet

We currently have a private IP subnet using the 192.168.1.0/24 range. We are running out of IP addresses and would like to extend this subnet, to something like 192.168.0.0/21. Is it possible to do ...
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2answers
1k views

Connecting to an IP Camera

I have long experience with networks but I lost the track to it. So I have an IP Camera linked to my router. I can access it through my local network using it IP Address (192.168.2.xx). Now I want to ...
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2answers
844 views

DNS servers not assigned by DHCP

I got working domain with DHCP, DNS servers installed and firewall ZyWall 5 which resolves names to internet. In DHCP server configuration I've set also static IP address of server as a primary DNS ...
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3answers
365 views

Specify Dynamic IP of SSH server on the client side

I am trying to set up a ssh server at home connected to internet via wireless router. Since its IP is dynamic, how do you specify its address on the client side? Thanks!
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2answers
226 views

set up a SSH server

I set up a SSH server on my Ubuntu on my laptop by OpenSSH. While ssh localhost is okay, I try to first ssh to another computer from, and then from there ssh back to my laptop with its external IP ...
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3answers
383 views

Is there a way to push out printer configs without a domain environment?

All the printers on our network are IP printers, is there a way to push out the printers to users without a domain environment?
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4answers
8k views

What are the implications of expanding an internal subnet mask?

Our network is currently working on a 192.168.0.x subnet, all controlled through DHCP, except for the few main servers who have hard-configured IP address settings. What would I kill if I changed the ...
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3answers
1k views

Fixing an IP conflict

I tried to static box on our network. Win Server 2003 tells me, intermittently, that I have an IP conflict. I have the box that originally had this IP sitting next to me, unplugged and off. I moved ...
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2answers
343 views

IIS logs dont log all selected values?

I'm trying to get the client ip address. I have a number of options selected to log. In fact, I have 15 options selected, but I never get more than 12 options printed out. I also don't think I'm ...
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6answers
23k views

How to get the IP Address for your Local Area Connection on Windows Server?

I want to create a batch or vbs file that will put together a url and executed. Part of that url needs to be the actual ip address of the machine. How I am able to get that IP address in a variable ...
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3answers
161 views

Webserver Hosting Location

We're entering into the european market and i have a question about hosting our .eu site. I know the IP address of the domain can affect SERPs, but I dont want to have a different server because it ...
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2answers
2k views

Bind VirtualHost to network interface

In Apache2, is it possible to bind a VirtualHost to a different IP interface than other virtual hosts, or the server's default Listen address? The goal is to have a web server that serves some ...
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3answers
1k views

What IP MTU sizes are seen in real networks

I am writing an application which will be deployed in third party networks. It will receive IP packets and I want to know what the maximum size in reality they are likely to be is. I'm not asking what ...
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5answers
5k views

IP/Process based bandwidth usage stats tool for linux

I'm looking for a simple tool to report server bandwidth usage based on IP/Process. The reason for that is one of our servers is "bleeding" bandwidth and there is a need to find out where it's going. ...
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1answer
3k views

Setting the IP address that the SMTP service uses in Windows Server 2008

My ASP.NET application running in IIS7 on Windows Server 2008 needs to send email. I added the SMTP feature to Windows Server 2008. The problem is that my server has multiple IP addresses and I ...
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3answers
126 views

IP of shared server

HI , How can I find the server IP which my shared hosting solution is on ?
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10answers
363k views

What's the command-line utility in Windows to do a reverse DNS look-up?

Is there a built-in command line tool that will do reverse DNS look-ups in Windows? I.e., something like <toolname> w.x.y.z => mycomputername I've tried: nslookup: seems to be forward ...
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3answers
9k views

how can I find the default gateway of an ubuntu box

how can I find the default gateway of an ubuntu box
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5answers
1k views

Is there still a reason why binding to port < 1024 is only authorized for root on Unix systems?

On Unix systems, binding to tcp port < 1024 from a process without root privileged is denied. What was the initial reason and is it still valid ? For example http server don't need root ...
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3answers
9k views

Proxy.pac myIpAddress() returns local address and not ethernet adapters

This is kinda a Part two from here. When clients VPN into my network they get assigned an Ip address which in turn gives them the 252 option from the DHCP. The auto detect then grabs this file What ...
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10answers
654 views

How can I get the ip address of a website?

How to I get the IP address of a given website,such as serverfault.com?
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5answers
9k views

Routing protocols, distance vector vs link state

I'm trying to figure out the differences(pros/cons) between two routing protocols approach and I would be great-full for any help, advice and explanation. As far I can say that it seems like distance ...