-1
votes
2answers
28 views

Forward Clients to New Server using iptables

Clients are connected to a server A by connecting to the domain name address www.example.com:4444, where www.example.com resolves to the IP address of server A. Question: In order to provide a ...
0
votes
0answers
74 views

Ubuntu server router - only 50% of upload bandwidth

I've changed my internet connection to 400 mbps download and 400 mbps upload. Real speeds when computer connected directly to optical modem: 421/412 mbps for download/upload. My network structure is: ...
-4
votes
1answer
48 views

Single machine server with many operating systems [closed]

Could possibly with single one high end Server with supported Virtualization We can have: - DHCP Server (Virtual Machine 1), - Firewall (Virtual Machine 2), - Squid proxy (Virtual Machine 3) - ...
1
vote
1answer
73 views

Automatically ask router for port redirection on ubuntu

Is there a way to use uPnp or something to automatically ask a router/firewall to redirect data coming from outside to a machine running ubuntu? Here's the deal, I'm supposed to prepare a certain ...
2
votes
0answers
173 views

Manual Multicast forwarding with Linux router

I have a Linux router (Ubuntu). It is working well with unicast but with multicast routing/forwarding I have some trouble. The problem is that my hosts do not send igmp/mld messages thus the router ...
0
votes
1answer
229 views

ubuntu set up as router lan pc can ping one direction and get shares but other direction can not ping or connect shares

I have ubuntu router questions. you can see tracert can complete on way but not other way. How to make that work? (a better visual layout exists here) ...
0
votes
1answer
192 views

Apache Virtual Hosts behind Cisco Router

I'm setting up an Apache 2.2 Ubuntu web server for internal services that is also supposed to be accessed from outside our LAN. Our LAN has a single external IP that is the external IP of our RV042 ...
1
vote
1answer
216 views

How to setup a ubuntu server as a VPN server and a router [closed]

I have search the forum and could not get what i want so im starting a new question. I want to ask that how can I make Ubuntu system a VPN server that connects to Internet via another NIC. this is ...
0
votes
1answer
947 views

two computers on same network cannot ping eachother nor view NetBios resources [closed]

I'd like to find out the problem of my network configuration I have network configuration is like in this diagram: The problem is between laptop1 and laptop2. At first I thought it was samba ...
1
vote
1answer
1k views

In ubuntu, which process is sending igmp packets?

My Ubuntu keeps sending out IGMP Query requests for following IPs: 239.255.255.255.253, 224.1.1.7 and 234.55.66.77. I figured this out from Wireshark. As per IGMP spec, I believe query requests are ...
1
vote
2answers
634 views

Ubuntu server acting as a two interface router

I'm trying to set up a squid proxy server using Ubuntu server 12.04 I'm very new to Ubuntu but I have managed to get some simple things done. I bought a second PCI interface and have managed to ...
0
votes
1answer
413 views

Setting up Ubuntu Router

I have a fairly standard network set up with a Cisco router with a bunch of public IP addresses connected to a TMG Server Firewall (For the sake of anonymity lets say the public IP of the TMG server ...
0
votes
2answers
3k views

amazon ec2 pointing domain name to elastic ip and setup ssl

I am new to amazon ec2 however I managed to run EC2 instance and connect elastic ip to that. Now I bought a new domain name, I thought i need to use amazon route 53 service to point my domain name to ...
0
votes
1answer
491 views

Configuring static route in ubuntu

Number of NIC card of my desktop = 2. eth0: 10.255.2.191 netmask 255.255.255.0 default gateway 10.255.2.1 broadcast 255.255.255.0 I have bought a switch and want to provide Internet service to ...
0
votes
2answers
238 views

Ubuntu, Siemens router and resolving the localhost

after installing anew Ubuntu 11.04 can't resolve to localhost. I'm trying: root@valk-pc:~# nslookup localhost Server: 10.0.0.138 Address: 10.0.0.138#53 Non-authoritative answer: *** Can't ...
1
vote
1answer
108 views

Use `.local` domain through router

I have got application on my laptop (with Ubuntu) under nginx. And I have got a wifi router. I want everybody connected to wifi can visit my application not through ip address, like ...
0
votes
3answers
256 views

IP Binding Issue in IIS with Windows Server 2008

I have 2 servers connected to my router. One is running Windows Server 2008 R2 and the other is running Ubuntu. I have port 80 open on my router and sending traffic to Ubuntu. I have port 801 open and ...
0
votes
1answer
101 views

Server can only make outbound connections

My server is running Ubuntu 10.04 and is connected by ethernet to a router/modem device. The problem is that it's basically ignoring incoming connections. So I can't SSH into it or access the ...
0
votes
2answers
240 views

Questions on DHCP server setup

I'm fairly new to networking of this so I have a lot of questions... any help is appreciated. I'm setting up a DHCP server and I've run into a few problems... Here is my current setup: Router IP: ...
0
votes
1answer
464 views

Internal DNS Server's Interactions with Local Client Computers… How do they work?

I'm setting up Split Horizon DNS. I have an internal DNS server, running Ubuntu Server 10.04. Everything has been set up properly as per this article's instructions. (I know that it is a mail server ...
1
vote
2answers
230 views

Simple Port Forwarding

I have searched and searched and tried several different things and have not been able to fina solution. Here's my situation: node1 has 2 interfaces: eth0 (Public IP: 56.X.X.X), and eth1 (Private ...
2
votes
1answer
271 views

Rackspace Firewall/Gateway Setup

I have rackspace account and wish to have this sort of setup: Firewall/Gateway eth0 - Public IP (56.X.X.X) eth1 - Private IP (10.X.X.X) Ubuntu 10.10. Accepts connections from the internet and ...
2
votes
2answers
925 views

Netgear VVG2000 router - change beacon interval

Hi we have a Netgear VVG2000 VDSL router/modem from our ADSL provider at the office. I've found that my Ubuntu laptop (running 10.04) keeps getting kicked off the wireless (specifically it seems to ...
0
votes
1answer
395 views

Exposing Turnkey Linux VM to public internet

I've got a VMWare server running the Turnkey Linux LAMP Stack. I've been using this server for some development work and want to make it accessible to a colleague for some feedback. As things stand, ...
0
votes
1answer
558 views

Nginx can't be accessed from outside?

I got a server set up. It's perfect from 127.0.0.1, but if I try from my "real" ip it loads forever, and then chrome says "Can't connect." Basically it does not allow external access. I'm behind a ...
1
vote
2answers
533 views

ubuntu server refusing connections via port forwarding

Getting some really weird behavior from our Ubuntu server... it's behind a Verizon router firewall with port forwarding (port 8080 to port 80 on the server), and we've been having issues accessing it ...
1
vote
1answer
216 views

Ubuntu networking issue: two specific machines cannot browse web while connected to network at the same time

I have setup a secure wireless network which works very well except for two laptops running Ubuntu 10.10 that can't access the Internet via a browser at the same time. They can both ping sites, wget ...
0
votes
4answers
532 views

Ubuntu box static routing problem

I'm trying to configure a ubuntu server to be a router. This is my interface configuration (eth2 connects to my WAN, eth0 to my LAN): auto eth2 iface eth2 inet static address 192.168.0.249 ...
0
votes
3answers
2k views

Setting up Bridge/Firewall on Ubuntu

I have been banging my head against the wall with trying to configuring bridge on my Ubuntu. I am a novice user on Linux but an IT professional of 10 years experience on windows. So I would understand ...
0
votes
4answers
1k views

Ubuntu Server: No Internet?

I have running a ubuntu server 10.04.1. I can ping my local network, but I can't get over the router. The DNS entries in resolv.conf are fine. I can post any file you want. Any advice? Thanks. ...
0
votes
1answer
397 views

VLAN member could not ping External Gateway. What did I miss?

I configure my router and vlan like this: EXTERNAL 192.168.1.1 netmask 255.255.255.249 EXTERNAL gateway 192.168.1.2 INTERNAL.VLAN1 10.2.2.1 netmask 255.255.255.0 INTERNAL.VLAN2 10.3.3.1 netmask ...
2
votes
1answer
661 views

Apache2, making my site publicly available

I want to make my apache 2 development server public to the internet, it is a Django based website. Here is my apache2 config: <VirtualHost *:80> Alias /media /home/user/myproject/statics ...
0
votes
1answer
448 views

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 ...
1
vote
5answers
910 views

Looking for a straightforward linux router setup

I'm looking to replace a default DSL router/modem with a "dummy modem" + "linux-based router" combo. I'm getting rid of the ZOOM ADSL modem because of its lack of capabilities. For instance, I can't ...
2
votes
2answers
258 views

How do I not lose my Windows XP router wired connection upon Ubuntu shutdown?

When I shut down Ubuntu, my router's Ethernet light goes off. When I reboot into Windows, it says a cable is disconnected. If I reboot into Ubuntu again, the Ethernet light goes on again. If I then ...