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Questions tagged [ip]

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

IP (Internet Protocol) is a protocol which encapsulates data for transit across the Internet and encodes its source and destination addresses, among other parameters. It implements the network layer (layer 3) of the OSI model.

Questions related to IP (addressing, routing, and protocol issues) fall under this tag; questions merely containing an IP address do not.

2827 questions
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Send PHP requests from dedicated IP instead of shared IP

I have set a dedicated IP for a website (using directadmin), but all outgoing php requests are sent from the server's shared IP. Result of the following code is always the shared IP. $a = file_get_contents("http://mxtoolbox.com/WhatIsMyIP/"); print…
hpn
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Linux route cache seems to load outdated settings

On SLES 11 SP3 (Kernel 3.0.101-0.46) I see the following route behavior: When I set a route specific MTU once via ip route change ... mtu lock 1500, everything works as expected (setting an MTU of 1500 on a dev configured with MTU 9000). I then…
skulli
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Linux: How to get a machine's IP address?

I'm using Linux CentOS 6.4 . I'm writing a shell script and I need to extract a machine's IP in order to use it in the script. How can I find the machine's IP? I'm looking for the "best" way because I know there are a few ways to get IP…
user256033
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Can't reach iis server via external ip

I am using aws from amazon and I have iis intalled on my server. I have created a test site but I can't reach it using external ip address. It is only reachable throught http://localhost- and 10.0.241.77 the local ip. How can I make iis run on…
Arda Kara
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program to monitor connectivity

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 or Internet connection issue. What I am looking…
chris
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How is a TCP request routed from a virtual machine to an outside resource and back again?

Scenario: Computer A has a local ip of 192.168.1.100, which is running a VM inside of it. The VM now makes a tcp request to an external IP address (74.125.225.98). Could someone explain how the request is routed both to the remote ip and then back…
Obto
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Ubiquiti Unifi Wirlesss Access Point not obtaining IP Address when VLAN Tagged

This question follows on from this one which I managed to resolve. Draytek 2830, Multiple VLANS on Same Port My Ubiquiti Unifi Wirlesss Access Points are not allowing clients to obtain an IP address when VLAN Tagged. The Draytek 2830 which it is…
Stuart
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Double IP forwarding not working

I have the following 2 debian servers in my scenario: The first one is my main openvpn server, it has 2 NICS active eth0 (172.25.156.146) and eth3 (172.26.16.1) - The second server has also 2 NICS active eth0 172.26.16.16, and eth1 10.77.144.75.…
Ants0
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Change vlan settings to Yealink phones at once

I have about 90 yealink ip phones. My target is to change vlan settings to all of them massively. For example, when it's going to reboot all of them, I run the following http:///cgi-bin/ConfigManApp.com?key=Reboot via a script with "for loop" for…
user200913
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Linux VPS settings to allow $_SERVER['REMOTE_ADDR'] to get client ip

I have unmanaged VPS server. I am trying to get client IP form PHP $_SERVER['REMOTE_ADDR'] but it's always gives me same for all users that is server internal IP. I have done some R & D and got firewall on server doing this, then I checked same on…
Hello Python
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Ports needed for IP Subnet discovery Kaspersky Security Center 10

I'm trying to discover computers based on IP subnets. The administration server is not part of the same workgroup or active-directory as the clients, so this is the only way to do it. I can discover about 1/3-1/2 of my computers. I tried disabling…
xstnc
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Ubuntu, iSCSI LIO listen on any IPv4

I've installed targetcli from repo on my Ubuntu 14.04 server. I'm trying to figure out how to make the service listen on any (0.0.0.0) address. Trying to setup 0.0.0.0 specific gives me an error: IP address does not exist: 0.0.0.0 Is it possible to…
SteffenNielsen
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Finding IP Of Remote Host Machine By IP Of Guest Machine

I am trying to find a way to figure out on which of the servers the virtual machine actually is residing. I know the ip of the virtual machine. It is in a bridged mode on the local network inside one of the Ubuntu servers. The problem is I don't…
user3081519
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why i see two kind of IP at my ping?

i have a Windows Server 2008 R2 with external DNS Server on it. all domains works fine but when i ping one of theme i get this result and site is down . C:\Users\Administrator>ping xxx.com Pinging xxx.com [162.217.xxx.xxx] with 32 bytes of…
motevalizadeh
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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 outside the local area network this must be a…
SmacL
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