IP or Internet Protocol. Use this tag for questions about IP addresses or configuration, or the protocol as applied to Ubuntu.

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1answer
1k views

static ip address from XFCE GUI

I'm interested in the IOGear Universal Wi-Fi N Adapter as a wifi adapter. The fine manual states: Installation without WPS - Mac Step 1: Turn off your computer’s wireless connection (if applicable) ...
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3answers
4k views

Setting a static IP address.

I'm trying to set a static IP address in 12.10. When I run ifconfig, I find that both lo and wlan0 have downloaded packets. In my /etc/network/interfaces file it says auto lo. Which should I be ...
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455 views

Firestarter, Proxy and limited number of IP addresses to access

On my local network I have to setup Linux Ubuntu boxes, so users will be able to access only to few (2-3) domains. Also, all of those Linux Ubuntu boxes are behind Proxy. Tried to configure this ...
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1answer
3k views

change ip range and subnet mask

I want to connect a gateway to my computer that has ip adress: 192.168.0.50 The problem is that my pc "reads" from 192.168.1.x How can I change it to 192.168.0.x? And set subnet mask to 255.255.255.0? ...
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1answer
4k views

Public IP Address for LXC container

Ok, so I want to know how to do networking on LXC containers. Not just the sort of vague information you get from the other websites, but a true beginner's guide to making them work.. Since most ...
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2answers
551 views

how to change default IP in Ubuntu 12.10

I just installed Ubuntu 12.10 on my PC, and it grabbed an IP address that the network doesn't like. I have tried to change it, but to no effect. If anyone could tell me how to do this, I would be ...
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3answers
2k views

How do i make ubuntu request a specific ip address from a dhcp server?

So here's the deal. My router assigns ip addresses starting from 192.168.0.50. I have a couple of computers running ubuntu which i want the router to assign 192.168.0.50 and 192.168.0.51 every time ...
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0answers
1k views

Postfix cannot resolve local IPs from Name Server

I currently have a server running "Ubuntu Server 12.04.1 LTS" installed with Postfix Bind 9 (Slave) The postfix cannot seem to resolve my internal IPs to Name Server (PTR) entry I have within ...
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1answer
1k views

IP Messenger Error on Ubuntu 12.04

I installed IP Messenger (GNOME 2) from Ubuntu software center but its not working. It's always showing an error message on Ubuntu 12.04. FileName:ipmsg.c Function:create_lock_file Line:157 Can not ...
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1answer
322 views

How to connect internet across a static IP network?

I'm using Ubuntu 10.04 but without internet at home. The reason I think is I have changed my network connections recently to static IP from DHCP because gnuradio needs static IP for accessing external ...
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0answers
171 views

How do I block an IP using hosts.deny with a non-default program?

I'm new to all of this. I'm running Ubuntu 12.10 x64. I recently wrote a program in C++ that accepts TCP connections on port 57370, and it is running as a daemon (I used this guide). It's not very ...
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1answer
164 views

User to access only to specific IP addresses

How can I setup Ubuntu box so logged user can access only to several IP addresses, on all protocols? Additional problem is that Ubuntu uses proxy to acceess to internet. Tried with UFW, but did not ...
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1answer
3k views

How to make a permanent configuration to eth1

I need to configure eth1 with: IP address: 10.5.15.200; Netmask: 255.255.255.128; MAC address: A2:BB:CC:DD:5:15; Gateway: 10.5.15.129. Mac address must be set up before eth1 is UP. I must use ...
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3answers
4k views

How can I hide or show a different IP to a website?

I'd like to watch BBC Iplayer...but it only works in the UK. I am currently living in Spain. Is there a way to hide my ID and make the bbc website believe that I have a UK IP or something?
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2answers
6k views

How to configure eth1

I need to set up eth1 using these : ip 10.5.15.200 netmast 255.255.255.128 mac address AA:6F:78:UI:34:34 and must be set up before eth1 starts and default gateway must be the first usable address ...
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2answers
451 views

Can I use USA IP without VPN or Proxy?

Can I use USA IP without VPN or Proxy? I'm overseas now and I need to use my back home IP, but i don't wanna use any VPN or Proxy stuffs? Anyone got an idea about how to link my IP from back home to ...
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0answers
800 views

Second NIC on dual homed server not working

I'm trying to set up a server with two IP addresses on different connections. The first NIC works fine (since I removed the gateway from the second), but I can't ping out or to the second NIC. ...
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0answers
251 views

Can not connect to 802.1x no IPv4 is set although DHCP

Can anybody please help me to setup my internet. I made a fresh install of Ubuntu 12.04 LTS. Before the installation I was able to connect to the internet with the notebook. I have to use 802.1x to ...
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1answer
2k views

Adding IP address to OpenVZ VPS (OpenVZ Web Panel)

I apologise if I sound at all dumb. This is my first dedicated server having used a VPS for over a year and I'm trying to setup a VPS on this new server. I purchased a subnet from my hosting provider ...
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1answer
2k views

Setting up a mail server to send mail from IP

I have a fixed LAN IP, but no domain name. I'd like to be able to send emails within the LAN, and receive mails sent to my IP (user needs to send an email to username@10.xx.xx.xx). I've tried the ...
2
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1answer
248 views

Multiple IPs for a single WIRELESS NIC

I would like to have both a static IP or two (different locally routable subnets) and a DHCP virtual interface on a single physical wireless NIC. Any suggestion on how to address that? Ubuntu ...
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2answers
72 views

IP being masked, mysteriously

I'm running Ubuntu with Cinnamon. When checking my IP I noticed it is being masked. I have done nothing to set this, other than installing Tor. But - I am not starting up Tor, yet is it still running ...
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0answers
253 views

How to setup and configure Proxy Server in Linux box for a network? [duplicate]

In Ubuntu, I am going to start Squid and Squish for proxy setup, but have problems in squid to make every workstation use proxy. Setup and configuration of squid is working properly, for testing ...
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2answers
931 views

Connected to wireless network but no internet

I'm connected to my wireless network but am unable to connect to the internet. It appears I do not have an IP address and I'm not sure what to do. I had working internet until I booted up this ...
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1answer
369 views

can't /etc/hosts be set up automatically?

what I need is: automatically add mac-addresses to some file and manually add the hostnames assigned to them, and a script will then scan my home LAN for those mac-addresses and populate the ...
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6answers
4k views

How to control an Ubuntu PC from another Ubuntu PC over Internet, using mobile broadband connections?

There are two Ubuntu PCs called A and B. A and B are connected to the Internet using two separated Internet connections. (In my case, two mobile broadband connections ppp0 x2 ) Each connection has a ...
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3answers
5k views

Issue with setting up multiple IP addresses on ubuntu server installation

I want to setup two ip addresses on my system for access through lan. This is my config on my other system. Desktop Installation My desktop installation runs with multiple IP's added through ...
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1answer
140 views

Trouble chaining proxies

I'm having trouble chaining proxies. I opened terminal, then run this: nano /etc/proxychains.conf I add the list like this [ProxyList] # add proxy here ... # meanwile # defaults set to "tor" ...
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1answer
3k views

Port listening on localhost:8000 but not on ip:8000

Hello I'm running a web application on port 8000. When I access it from the host server localhost:8000 it responds ok, 127.0.0.1:8000 also works, but 192.168.1.7:8000 does not work. 192.168.1.7 is the ...
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1answer
6k views

Redirect requests mapped to a DNS IP Address

For this command lines: sysctl net.ipv4.ip_forward=1 iptables -t nat -A PREROUTING -p tcp --dport port -j DNAT --to-destination ip:port iptables -t nat -A POSTROUTING -j MASQUERADE I can reroute ...
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1answer
710 views

How to send packets via a pptp vpn tunnel?

I'm trying to send certain port traffic through my ppp0 interface it's a pptp vpn tunnel, First, I'm using a wireless usb interface, I connect up to my access point, then I initiate my vpn, there is ...
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2answers
3k views

'ip rule flush' breaks all connectivity

I'm configuring some network stuff, and every time I try something the connection breaks. Thinking that I must be configuring something incorrectly to break all connections, I did a bit of ...
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1answer
365 views

What is Ubuntu's IP reassembly timeout?

I've been told the IP reassembly timeout is 30 seconds, but I just need some clarification please It'll be great if it was from Ubuntu too, as I need to reference it! Thanks
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2answers
8k views

I need to reset my computer's ip address to dhcp from static

I have been running a file server on Ubuntu for a couple of years now. Recently I had to take the network down. When I brought it back up, my server lost its ip address from the router. I can't ...
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1answer
849 views

Set up different static IP addresses for different networks

I'm relatively inexperienced with networking, but I know what I want to achieve in this case. I have a computer that I physically move between two separate local networks, but when the computer is on ...
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1answer
165 views

eth0 is not present in interfaces still it connects at boot

I am connected through my eth0 to my university network. The c onnection works with no problems. Still i wander why the eth0 is not present in interfaces. I run ubuntu 12.04 ans use shorewall Thanks ...
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2answers
2k views

How can I change the public IP address?

I have Kubuntu 12.04 installed on dual boot with Windows 7, when I search for my IP on Google, I get different results: one IP for Windows 7, and other for Kubuntu (it says also no proxy detected) I ...
0
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1answer
3k views

Changing my VM to static IP

So I'm running a ubuntu virtual machine (using vmware), and I noticed every time I restart my vm, my IP changes, is there a way to set it static? I looked over a few links and they all tell me to ...
2
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1answer
463 views

How to make some Virtual IP Address?

I want to make some Virtual IP Addresses for my network adapter or wireless adapter, so that I can connect to network with more than one IP address from one computer or laptop. How can I do it? (I ...