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1answer
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DHCP server not routing to connect to internet for clients

i am configuring a DHCP server using ubuntu 11.10 with 2 lan cards.eth0 is connected to wan on ip address:192.168.2.2/24 and eth1 connected to lan is configured with ip:192.168.10.1/24 ...
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2answers
1k views

How to make an internet server as firewall using ubuntu 11.10

i have one static broadband connection which is coming to my Ubuntu server with 2 lan cards, there are 10 more PC's to which i need to provide internet connection through Ubuntu server as well as i ...
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1answer
453 views

How to set iphone tethering interface as default gateway

I am able to do the iphone usb tethering under ubuntu(11.10) which will be recognized as eth1 interface (I also have an eth0 internet connection). What I want to do is, when the eth1 is up, I want ...
0
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1answer
601 views

How do I replace a cable modem router with my own server as DHCP?

My ISP gave me a really crappy router-modem-combination that lacks basic features. For instance you can't assign a constant ip to the mac adress of a client PC. I run a server for my home ...
3
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1answer
12k views

Two Network cards and ip forwarding

I want to make "Ubuntu 11.10" act as a router. I have two LAN interfaces. Let's say interface A' IP is 172.16.1.10 ; interface B's IP is 192.168.1.10. How can I configure Ubuntu so that ...
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1answer
2k views

ssh fails because port 22 doesn't work with AT&T Uverse

I am attempting to ssh into my home laptop (lappy) from my work laptop (lappy2) so I can run things, transfer files, feel good about having the skillz necessary to set up a server, etc. I have told ...
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1answer
4k views

Using Ubuntu as a router?

I've seen many tools to use Ubuntu as a router in which an internet connection could be shared from Ethernet over Wifi or vice versa. I'm looking to achieve this except with 2 Ethernet connections: ...
3
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2answers
4k views

How to set routes for my vpn connection

In my previous question I was asking about setting up vpnc connection. I've installed network-manager-vpnc so now I can configure all this stuff right from network manager gui. I have got this pretty ...
2
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2answers
471 views

route table explanation

I'm a newbie. Recently I used the command ip route ls to print my route table. Here is the content: 111.211.3.192/26 dev wlan0 proto kernel scope link src 111.211.3.205 metric 2 I'm curious about ...
4
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1answer
10k views

Understanding my route table

this isn't programming at all, but I've seen related topics so I thought why not. I am using ubuntu and currently trying to learn basic networking. I read a lot of theory, so I understand the terms ...
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1answer
2k views

Ubuntu can't configure proper gateway at boot

My Ubuntu machine is connected to internet via wifi, and also connected to LAN by ethernet cable. Every time I log on, I have to run these 2 commands in order to set the proper gateway (wlan0 in my ...
2
votes
1answer
3k views

When I try to add repositories, why are ubuntu's keyservers timing-out?

Something is rendering receiving keys from keyserver.ubuntu.com impossible and I'm not even sure where to begin in trying to resolve this. As an example, we'll use the Spotify linux app found here: ...
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0answers
129 views

How to set nic priority? [duplicate]

Possible Duplicate: To allocate data usage efficiently with two internet connections I have a wifi dongle as well as a very slow POE wired connection going to my Ubuntu box. I want the Wifi ...
6
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2answers
3k views

Connecting to other LAN computers using their names

I have a LAN at home with my desktop and my laptop. IP addresses are allocated dynamically to both, so the IP number keep changing. I try to connect from one to the other using places->Server, and in ...
0
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4answers
2k views

Configuring my router

I need to configure my router so I can access the website I have running on my computer from the outside world. How can I do this? I think I need to open the port 80 on the router, which gets ...
6
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2answers
10k views

Default gateway changing

I am using 3 ethernet interfaces on Ubuntu but when I restart, the default gateway is changing to a different interface. Each time I boot I have to change default gateway back to the eth1 by deleting ...
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4answers
649 views

To same computer Remote desktop thrue WRT54G router [closed]

To be sure connection is working i want to connect to same computer from same computer ive set up remote desktop. Can't access from my Same comp to same comp to test if all is ok. Tried all mentioned ...
4
votes
1answer
2k views

Hybrid wireless network repeating

Summary: I'd like to use two Ubuntu computers to extend/compliment an existing wireless access point. I have a network which currently looks a bit like this: What the diagram doesn't show is the ...
4
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2answers
5k views

Use two networks at the same time?

I want to use Ubuntu 10.10 Server in a classroom, a computer lab whose bandwidth is provided by a local cable ISP. That's no problem, though the school network has an IP printer that I want to use. I ...
7
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2answers
3k views

Sharing an internet connection through the Ethernet port

I have a small living room PC (Bohica, running fully-updated Ubuntu 10.10/Maverick) connected to my HDTV that I use for web browsing and media streaming. It connects via WiFi (wlan0) to my Fedora ...
2
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1answer
4k views

How do I setup routing through a PPTP VPN?

I have created a PPTP connection back to my office, and managed to setup routing as suggested in this question, so that everything outside the office LAN keeps going to my current default gateway. ...
3
votes
2answers
10k views

How to setup multiple WANs with load balancing?

What is the best way to setup multiple WAN's into a Ubuntu distro and load balance? I have two internet connections, one static and one dynamic and I need to combine and load balance them. I have been ...
13
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2answers
14k views

How to set up dual wired and wireless connections?

My laptop has both wireless and a wired connection capabilities. Can I connect to a router A using wireless and a separate router B using wired ethernet at the same time without having to switch back ...
2
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1answer
2k views

Weird issue with iptables redirection

I am trying to redirect all incoming traffic on UDP port 5060 to port 56790, and all outgoing traffic from 5060 to the port 56789. I used these iptables rules: iptables -t nat -I PREROUTING -p udp ! ...
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1answer
1k views

How to configure a second IP address and bind it to a VBoxHeadless virtual machine?

I've requested my ISP to dedicate me a second Internet IP address and have got it. Now I need to configure it (I've never had any experience with using multiple IP addresses on one network interface) ...
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2answers
141 views

Are there any packages in Ubuntu that allow routing on application layer level?

I would like to route packages received by a VM host to different VM guest, on basis of application layer, in particular domains given in urls. It is impossible to route on network layer level, since ...