IP address is a numerical label assigned to each device participating in a computer network that uses IP for communication.

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8
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2answers
3k views

How do I move static IP address from one ISP to another

We have a linux server pointing to a static IP address from one major ISP. We recently changed that ISP to a new ISP and I am wondering if there is a way we can move the static IP address to work ...
0
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1answer
342 views

How to add a new range of IPs to a server on a private VLAN & one NIC?

I'd like to add some more IPs to my single ESXi server that I have through a hosting provider. When the server was set it up, I was given a /29 and was left with five IPs to use. But, there's ...
0
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1answer
118 views

Reverse-resolved address ending with .bng?

I routinely check netstat --tcp when ssh'ed into my server, but today found an odd hyphenated address format that I haven't seen before: Proto Recv Sent Local Address Foreign Address ...
0
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1answer
642 views

Virtual pfSense Appliance on VMWare Host

I am having some issues setting up the WAN side of pfSense. I have ordered a dedicated box through a hosting service with ESXi loaded on it. Along with that I have 3 public IP addresses that will ...
1
vote
1answer
738 views

Why can't I associate a private EC2 IP with an Elastic IP from VPC

I have three entries in my /etc/network/interfaces with eth0:0... eth0:1... eth0:2... and the ips 10.0.0.210 10.0.0.211 10.0.0.212 ...they're all working fine. So I added a new entry, eth0:3, ...
1
vote
3answers
1k views

Hostname vs IP address to refer to servers in Windows domain environment

I've always preferred to use hostname for things like network shares, SQL Server instances, etc. I usually find hostnames to be more descriptive and easier to remember. However, recently one of our ...
0
votes
1answer
121 views

NAT and find inside global address

To try to find the inside local address of a host, on a LAN with 1 Cisco wireless router, I run nping on one Windows7 host 192.168.1.138. C:\>nping --ec "public" -c 1 echo.nmap.org SENT ...
0
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1answer
64 views

Ubuntu IP Redirect [closed]

This is my problem. I have a Ubuntu computer running Apache/SQL/phpMyAdmin the goal that I want is that when someone logs on to the network if they type in encc in the url bar it will direct them to ...
-1
votes
3answers
72 views

Is it possible to replace A records with CNAMEs in a zone file? [closed]

I've read that some people are able to successfully replace their A records with CNAMEs only. Primarily because the IP address of the A record is not static. Are they using a service like DynDNS or ...
0
votes
1answer
103 views

Moving from mod_rewrite/muliple ports on one IP to just multiple IPs

We have one server and want to run multiple versions of our in-house intranet app and have them be accessible through a web browser by their name, without a port number. This is our current setup: In ...
0
votes
4answers
210 views

Setting an IP address per website on a single Linux server?

I'm trying to get two websites on the same server to use different IP addresses. I've set up a virtual IP and set up the the virtual host. I restarted the network after adding the interface, and ...
0
votes
1answer
436 views

Running IIS and Confluence both on port 80 (multiple IP addresses)

I'm running Windows Server 2008 with IIS and Confluence. The server has two ip addresses setup at Network Settings. Confluence is setup to use the second IP address. Both IIS and Confluence seem to ...
2
votes
3answers
2k views

Where can I find a list of IP addresses of hosting providers?

I am attempting to fend off a spam attack against a web api I run and would like to obtain a list of IP addresses of public web hosting providers from which spammers are launching their attacks. I'm ...
3
votes
3answers
310 views

What's the formal definition of the magic number of a network? [closed]

I know what the magic number of a network is. I know how to compute it - 2 ^ ((32 - n) % 8). I know what it's used for and how to use it. I don't how how to define it formally. In a recent interview ...
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votes
2answers
390 views

What does IP Address quadrants reperesent? [closed]

If a IP address is 192.168.112.28 what does each quadrant represent in this IP address?
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votes
1answer
178 views

How do i set public ip address for office? [closed]

My assignment has this thing. Im given with the public ip address of 203.220.72.0/24. This is public ip address for router.The office got 20 hots and I need to give public ip address to those hosts, ...
1
vote
1answer
403 views

CentOS network configuration doesn't work as expected

Maybe I'm doing a rookies mistake but I can't find out what I'm doing wrong. On a Centos Box, I want to put static ip on my server so edited /etc/sysconf/network-scripts/ifcfg-eth0 as follow: # Intel ...
0
votes
1answer
176 views

nslookup and host(linux) shows 2 ip's for some computers but not all

First off I will mention that I am a software engineer not an IT guy, so please bare with me. My company has an ftp server. Outside of our network, it works fine. Inside of our local network some ...
0
votes
1answer
372 views

Can a machine(physical or virtual) accept and process UDP packets with a different IP address coming from a known device?

Before everything, thanks for reading the next question. I have script,(ipUDPspoof.rb), which is a client/server script in Ruby (you choose the parameter 1 to be server and 0 to be client, at ...
0
votes
4answers
4k views

Postfix: Allow SMTP AUTH only from specified IP address ranges

can one implement an IP address based restriction for SMTP AUTH in Postfix? Scenario: I'm running a Postfix mail server that receives mails from all over the Internet. But the server doesn't only ...
0
votes
1answer
102 views

One-liner to retrieve external IP address [duplicate]

Possible Duplicate: Finding the Public IP address in a shell script For use in scripting, it would be handy to be able to do this: IP=`....something ....` echo ...$IP... >> ...
-1
votes
1answer
57 views

Specify what network connection to use based on IP being accessed [closed]

Basically, we have a number of machines with two network cards. One is wireless, one is not. The wireless is connected to the internet, while the other one is connected to a route and a bunch of ...
-2
votes
1answer
1k views

How does one set a dedicated IP address to a minecraft server on Windows Server 2008 R2? [closed]

So I bought a dedicated server from staminus.net just for running a Minecraft server. On Minecraft, the default port is 25565. I am wondering how one makes it so that there is no port on the IP ...
0
votes
1answer
292 views

Specifying a specific source address for an Apache forward proxy

The Apache 2.4 new features page says: "The source address used for proxy requests is now configurable." I can't find out how. The words "Source address" aren't mentioned on the 2.4 mod_proxy ...
-3
votes
1answer
991 views

Map ip address to localhost [closed]

I have a website running on my mac on mamp at localhost:8888. On another mac on my wifi I can view the website, using http://192.168.X.X:8888 (where X's are my computer's ip address). Except, I ...
-1
votes
1answer
142 views

need to figure out this subnet mask please is it correct? [duplicate]

Possible Duplicate: How does IPv4 Subnetting Work? The largest subnet has 300 hosts so I am trying to workout the number of host_id bits I require for the mask but I am confused as each ...
-2
votes
1answer
59 views

Windows Server 2003 not loading web pages by domain, but loads/pings by IP (Server not found) [closed]

It's really weird and randomly started happening.. Example: I open firefox or IE on the server and try to load "google.com". It doesn't load. Pinging it doesn't work either. However, if it use the ...
0
votes
0answers
81 views

Adding an IP range to SuSE 11

I'm looking to at a /22 to eth0 in addition to the address that is already bound to than interface. I'm familiar with using ifcfg-eth0-range0 in Redhat to accomplish something like this, but not how ...
-1
votes
1answer
73 views

Temporarily ban an ip address using .htaccess [closed]

Is there a way to temporarily ban (only for 5-10 minutes) a certain ip address using .htaccess.
21
votes
4answers
1k views

Customer site is out of IP addresses, they want to go from /24 to /12 netmask… Bad idea?

One of my client sites called to ask me to change the subnet masks of the Linux servers I manage there while they re-IP/change the netmask of their network based on a 10.0.0.x scheme. "Can you change ...
-5
votes
2answers
478 views

Why do we need logical addressing [duplicate]

Possible Duplicate: Why couldn’t MAC addresses be used instead of IPv4|6 for networking? If physical address or Mac address is unique why do we need logical addressing? This because ...
1
vote
2answers
126 views

Another Public Static IP Address?

We currently have two servers, one of which has a static IP address allowing remote access from outside. We now need the other server to be accessible from outside, I'm presuming we need to obtain ...
1
vote
0answers
647 views

SQL Reporting Services Report Manager cannot be accessed by IP on the local computer

I have set up SQL Express 2012 with Advanced Services on a test machine. The requirements are that ReportServer should run on a dedicated IP address and port. So I went to Reporting Services ...
0
votes
1answer
117 views

How do you initialize networking on a new Xen guest VM?

We have a Citrix XenServer setup, and while I personally lean more towards Dev than Ops, I've got an issue that's been bugging me. When you provision a new (Linux/Ubuntu) guest, how do you get it to ...
1
vote
2answers
1k views

Set Organizational Unit by IP Address in Active Directory

Our AD is a mess, and I've been trying to look for a way to automatically assign computers/workstations to an Organizational Unit based on their IP address. I've had no luck, though, in finding any ...
1
vote
3answers
1k views

nginx as proxy using a specific source ip

I'm using nginx to serve static file and proxy other requests to some Tomcat instance. The problem is that I don't know how to choose which IP address will nginx use to connect to Tomcat. Each Tomcat ...
0
votes
2answers
647 views

Binding MySQL to run from the public or private LAN IP address - which one is faster [duplicate]

Possible Duplicate: Binding MySQL to run from the public or private LAN IP address - which one is faster So we have 2 servers all running at the same web host. We have bind MySQL to listen ...
-2
votes
4answers
539 views

How do I say two IP address are in different network [closed]

This is very basic question but i really could not find how it will be.There are two network IP address are given 10.0.0.10/24, 30.0.0.10/24 .Would like to know are these two addresses in same network ...
0
votes
3answers
118 views

How do you get permanent IP for your DNS server?

We want to setup our own public DNS server and offer it to clients as a service. DNS server obviously needs to be setup on an IP address and this IP address setup on many of our clients ...
0
votes
1answer
1k views

Reach pc in the same network but a different subnet

PC 1 in subnet - 192.168.1.x PC 2 in subnet - 192.168.2.x Is it possible to access one pc from the other by its IP address without special router config? related: How to reach a device on a ...
0
votes
1answer
116 views

Blocking IP address with port forwarding

I have a website setup behind a router, so the router has the external facing address and it will forward requests to the webserver inside the network. If there are X number of invalid login attempts, ...
2
votes
2answers
3k views

How to access a site in IIS with no DNS mapping

In my IIS 7.5 hosted in a Windows Server 2008 R2 I have several websites with no DNS address assigned. Let's take for instance the site (as named in IIS) with site name mySite. I have for this site ...
1
vote
1answer
601 views

Plesk 10 Postfix with multiple IP adresses and SSL certificates [closed]

We are currently running a root server with Debian 6 and Plesk 10.4.4. We have some virtual hosts using one IP adress (shared) - e.g. example1.com - and another virtual host using a dedicated IP ...
1
vote
1answer
1k views

STUN-server using AWS

We are about to hire some consultants to help us set up an AWS-based server environment that will enable us to handle NAT Traversal for our P2P application. One important part of the NAT Traversal ...
0
votes
1answer
129 views

IIS SSL is taking all IPs although it is told not to

I have a testing system where IIS Express on Windows 7 SSL website has to live together with Cerberus FTP server SSL website (Cerberus FTP has a built-in web server for HTTP uploads). I have set up ...
1
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1answer
119 views

Windows Server 2008 - Setting Up DNS and Web Server (IIS) to host personal website?

Okay, I have a server, (Windows Server 2008 R2 to be more precise) and I have installed PHP, MySQL, phpMyAdmin, for web hosting purposes. I have set up a static ip address internally. I have ...
0
votes
1answer
142 views

Never changing public static ip address [closed]

I need a public IP Address that should never change. So far I found the following: Amazon EC2 Elastic IP Addresses Hetzner Failover-IPs can be reassigned to a different Hardware How sure can I be ...
-3
votes
3answers
133 views

What tools can I use to locate the IP of a machine on my network? [closed]

I am logged in to a remote Windows Server machine and am trying to attach it to a VPN for a LAN that I am also connected to locally from another Windows machine using Remotr Desktop. I can connect the ...
1
vote
2answers
3k views

Difference between accessing a website using Local host and IP address

I have developed an ASP.NET website and deployed into my IIS server. Now to see that my IIS is installed fine, I type local host in my address bar, and I get the welcome screen of IIS and its ...
1
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1answer
2k views

Is it possible to connect 2 networks with same IP range?

I have two networks with the same IP addresses in use and I need to connect them. I have a third network between the two to connect them but I need to know : - is it possible to communicate iof the ...