Ubuntu Servers :: How To Make The Server Route Between
Nov 9, 2010
For the last couple of days I've been building on a server built from an old (well, not too old) computer. My goal is to use it for multiple purposes like a webserver, home automation, and possibly a future media center (if I get my TV card to work). But perhaps the main reason is to get wireless access to the internet for my laptop, and to connect it to my other (stationary) computer. When I'm done I'm also planning on writing a guide for setting up an access point with the rt61 chipset, as there seems to be many people looking for this. First I just need to get through this problem though .
For this I use two wired NICs, eth0 for the local interface to my computer, and eth1 as an external interface for the internet. Moreover I use a wireless NIC (DWL-G510 using the rt61pci driver) in conjunction with the daemon hostapd to provide a wireless interface for portable computers to connect to. eth1 gets its IP through DHCP from my ISP, while eth0 and wlan0 have static IPs on two different subnets like this (copied from /etc/network/interfaces):
Code:
auto eth0
iface eth0 inet static
[code]....
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Sep 17, 2010
There are two connections in my Ubuntu server: eth0 is a normal interface and, eth1 is configured with an static IP, and has an domain name with that IP. But this connection is charged by bytes, very expensive.
how to set up the route table so that: everyone can access my server with the domain name, and let the traffic goes from eth0 as much as possible(I have a proxy service on my server. At least, let the proxy traffic goes from eth0)?
[Code]...
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Oct 26, 2010
I'm hosting my own dedicated server with Ubuntu Server 10.10. I have it set up with a static local IP, and I've configured DynDNS to link up with my router and allow my server to go live to the internet. I have all the appropriate ports unlocked, with the exception of port 80. This port is blocked by my ISP (Charter) and I can't use it. Due to this, I configured my router to listen on port 81, and direct it to my server.
So, In order to view it, you need to go to the IP XXX.xxx.XXX.xxx:81 Today, I registered (www.online-self.com) in hopes of getting around my current mask (provided by DynDNS.com (omegame.selfip.com). So here is my dilemma, When I go to the host of my domain name , I want to redirect my DNS to my server IP.
I can't seem to do it though? They want a strict IP address, no port extensions. How do I get around this so that my domain name and IP address link up? I'm thinking I may be missing a step, or maybe I needed to register a domain name that simply redirects? I'm starting to get confused on what I should do next. Can I even do this?
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Nov 13, 2010
I have a server set up with a VPN (openVPN with DynDNS). My emails are located there and I can check them from home, office, where ever really, with different computers, no problem.However, due to restrictions of some ISPs I would have to change the SMTP server used, depending on where I am with my laptop.
Now, I thought about using the VPN to also tunnel the SMTP traffic through that. But how am I doing that?So far, when I'm connected to via VPN I simply have a local (from the server point of view) IP address to connect to my IMAP server. But how can I route the SMTP port 25 through the VPN?Is that possible to do, also in a way that I don't have to change anything depending on where I am, as in within the network of the server or outside? Since when I'm within the network the VPN obviously isn't connecting..
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Jan 28, 2010
I have it set up so when I go to URL... it shows my server. I'm not sure how I can make it viewable to everyone though.
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Sep 29, 2010
if anyone can point me in the direction of a tutorial (step by step) how to make a virtual dedicated server using ubuntu to host a website?
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Jul 17, 2011
I have a ubuntu 10.04 dedicated server that I am having problems with. It intermittently cannot connect to any other servers outside its network.
Code:
PING 8.8.8.8 (8.8.8.8) 56(84) bytes of data.
^C
--- 8.8.8.8 ping statistics ---
8 packets transmitted, 0 received, 100% packet loss, time 7008ms
(I have tried a bunch of other ips too and none outside its network are pingable) I'm not sure if this is a problem with my server or a problem with the networking outside the server. I have been emailing my server provider and they keep on insisting the problem is with the server and that their network is working fine. Apparently all of their other servers work and they can login into the gateway and ping 8.8.8.8 from there. So they just want to reinstall the OS, but I thought I'd post here to see if anyone has any ideas.
Here is some info I have gained while troubleshooting: I haven't changed any settings at all on the server for months. I haven't done any updates for about a week. The strangest thing is that this is intermittent, there have been a few times in the last 24 hours where I have been able to ping 8.8.8.8 or other ips, but 98% of the time I can't. I have also tried rebooting the server, which had no effect. I can ping the gateway, and I can ping other servers on the same subnet. I can ssh onto the server from my home internet connection, and I can view webpages on apache, so incoming connections work.
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Apr 5, 2009
I just recently made a server using Fedora 10 and i was wondering if it is possible to set it up so that i don't need a GPU for fedora to boot properly. Since the GPU isn't being used i was hoping to save on a little bit more electricity.
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Apr 24, 2010
I do not understand this command well. Yes, I have looked at man route and that whilst that gives lots of information about the switches I cannot see it in context. I have a server with two nics. One to the Internet (eth1) and one to the lan (eth0). I use pppoe and when it is running I get a virtual adapter appear in ifconfic called ppp0 which shows the public DNS and ISP session IP. I entered the command:
route add -host (gateway IP) dev eth1
and get the Internet to appear on the server. However, I do not get the Internet to the clients. I have turned off the firewall to be sure that this is not the problem.
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Mar 22, 2011
I am running Ubuntu Server 10.10. I have installed OpenVPN using this guide I have set up everything correctly as this guide says, but I am having problems with the config file. I want to securely route all traffic on the client to the server, how ever the server will not start. My config is below:
Quote:
#################################################
# Sample OpenVPN 2.0 config file for #
# multi-client server. #
# #
# This file is for the server side #
[Code]......
The servers ip is 10.0.0.65 and I want to assign the clients the ip range of 10.0.0.200 to 10.0.0.20 When I try to start the server I get the message Fail.
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Apr 6, 2010
How can I set my server to listen at a different port for http access. I would like to use port 8080 (to circumnavigate isp blocks). Also can I do the same thing for sftp connections?
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Jul 4, 2010
I have Bind on the machine at present, but I was wondering how much disk would be needed to make it a full DNS server that could act in place of a dead upstream service.
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Mar 5, 2011
I am trying to make start an iptables.cf script on my server.
I have copied it into /etc/init.d/
And try to make it load with /etc/init.d/iptables.cf start
Then "not permission" (I was the root then).
So, sudo /etc/init.d/iptables.cf start
Then, "command not found".
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Mar 29, 2011
i need to make an file server.but I'm not gonna ask how because that's a piece of pie.The thing is i need to make an ubuntu/xubuntu based file server.For windows users.But not just a regular file server. A File Server with accounts. That when you try to access the file server in explorer you need to provide a username and password.And that you( as the administrator) manage the privileges for the server/folder/file. so with different permissions.
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Feb 27, 2009
I brought a TV card and installed on Fedora 9.Want to know how to make it as a streaming server?
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Apr 28, 2009
I am kinda new to Linux so I build a computer a put Fedora 10 on it. I would like to make it into a server so I can host Warcraft III FT.
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May 4, 2010
I have a home server running Lucid which basically runs our home lan, but I also wanted to be able to run transmission-daemon over an ipredator VPN connection completely independently of the ethernet port (as far as the application layer is concerned anyway). Most of the howtos for setting up VPN use the VPN as the default route, however I still wanted to run a webserver, dnsmasq etc, not to mention free bandwidth access to my ISP etc.
Thus, this howto. The ppp connection still tunnels through eth0, but as far everthing else is concerned my server has two independent network ports eth0 and ppp0 and applications use the default route via eth0 to our router unless explicitely directed down pppX. I assume that you already have transmission-daemon installed.
[Code].....
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Jun 25, 2010
i have setup an open vpn server and when i connect to it the client pulls an IP and but not default gateway. My goal is to route all web traffic through the VPN... My config file looks like this...
Code:
dev tun
proto tcp
port 1194
ca /etc/openvpn/easy-rsa/keys/ca.crt
[code].....
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May 8, 2011
I have 3 network interfaces on my Linux Router :
Interface - Gateway - Type
Code:
br0 - 192.168.0.1 - Internet
eth2 - 192.168.1.1 - LAN
tun0 - 10.0.0.2 - VPN (via br0)
What I'd like to do is to route all TCP packets coming from eth2 to tun0 where a VPN client is running on 10.0.0.2. If I delete all default routes and if I add a new route to tun0 like :
Code:
route del default
route add default gw 10.0.0.2
Everything is fine, and everyone on eth2 can reach the Internet using the VPN access. Now the problem is that my VPN client does not allow any other protocols other than TCP. And I also want to allow VPN access only to eth2, no other LAN nor the router itself. use iptables to filter any TCP packets and mark them, so they can be sent to tun0, while any other packets can reach the Internet via br0 (192.168.0.1). I found on the Internet that we can mark packets before they get routed. Using the following commands :
Code:
iptables -t mangle -A PREROUTING -j MARK --set-mark 85 -i eth2 -p tcp --dport 80
ip route add table 300 default via 10.0.0.2 dev tun0
ip rule add fwmark 0x55 table 300
First of all, --dport 80 never work... :/ I wanted to filter TCP 80 packets coming from eth2, but none of them seems to be HTTP packets... oO (very strange...). Nevermind, I decided to forget about the --dport option. I use the "iptables -L -v -t mangle" command to see how many packets are marked, and it is working fine, all TCP packets coming from eth2 are marked. Now the problem is that none of them are routed to tun0 they are all respecting the "route -n" rules... and not the "table 300" rule I have created.
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Jul 30, 2010
Is there a way to bind specific programs to specific network devices (not IPs, since I have dynamic IPs)?
For example, I wish for irssi to route through eth0 and w3m to route through eth1. Keep in mind these devices have dynamic IPs, so I cannot attached them to an IP.
The solution cannot be accomplished through route since route pivots on IPs not devices.
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Mar 10, 2011
How do I make a local mail server that itself is a client to a WAN mail server.I want the local mail server to query new mail every 30 minutes from the WAN server.
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Apr 29, 2009
I would like to add a static route, however I do not understand what is meant by the Address setting below
GATEWAY2=10.241.58.62
NETMASK2=255.255.255.224
ADDRESS2=10.241.57.32
Does this mean any addresses beginning with 10.241.57.32 are routed over the gateway 10.241.58.62 an address range
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Jan 25, 2011
Having trouble getting my Netgear WNA1000 working thru wireless router. Have tried lots of suggestions from other threads to no avail. Someone suggested that th routing table isn't set correctly, so have been trying to use the follwing to make the proper entry in the routing table: sudo route add -net 192.168.0.1 netmask 255.255.255.0 dev wlan0
Result: error message stating with:
"route: netmask does not match route address"
followed by "Usage" instructions which tell me to do what I just did. Any ideas on how I can populate my routing table with correct entry for my wireless card? Not to complicate matters, but I temporarily turned off encryption on my router to eliminate that as a possibility until I get connected. So maybe it'still trying to connect via encrypted mode - do I need to turn off encryption on my (client) end?
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Oct 21, 2010
I got this definition:"a process that replaces a series of related, specific routes in a route table with a more generic route." honestly I found it not so clear.. I want to know if this definition is correct and also more details about this subject..
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Aug 31, 2010
I'm trying to configure dante so that it only connects to the internet through the PPTP VPN interface (which is ppp1). My configuration file is currently like this:
Code:
internal: 127.0.0.1 port = 3333
external: ppp1
method: username none
logoutput: stderr
user.notprivileged: abc
[Code]...
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Jun 3, 2011
All I want is to be able to access files on one Ubuntu computer from another Ubuntu computer via a home wireless network. I have been at this for a week now. Scouring the web for answers and so far I have come up with this: Port 22 is open. I have both computers IP addr's via right clicking on the network icon-> Connection Information. ssh is installed and running. Both computers are listening on port22. But when I try Places->Connect to server, I get "no route to host". I'm not a networking guru and I'm at a complete loss on this.
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Jul 2, 2010
This may or may not be an easy question, as I'm somewhat uninformed in the networking side of computer science. I own a rented server with a static ip address. Is there a way that I can forward requests from it to my computer to setup a LAN network of sorts over the internet. Specifically, there is a program I would like to use that requires LAN (you enter an IP to connect to). Is it possible to setup my server in a way that users could connect to my server's ip, which would then forward it to my home computer (I'm fine with setting up my home computer with programs that would allow this) that could host?
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Jan 28, 2011
Is it possible to for me directly RDP into my company's RDP server from my Linux OS, in same way I can RDP into it from my Windows OS on my work computer or home computer, which has the RDP setup settings you use to create the session?
Of course I can get into the work machine, and then the RDP session, but is there a way to go straight into it without using the Windows Desktop to click on RDP? Does Linux have an RDP program similar to the setup using on the Windows side, in terms of being able to configure the settings to get into an RDP directly?
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Dec 26, 2010
i'm attemping to re-route incoming traffic of https to one of my servers. (a windows xp with subversion on it)
problem is if i do that ALL https traffic from other pc's is stopped. meaning i can't get any reply from any url with https;
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Dec 1, 2010
At nfs client end unable to mount nfs server.
mount: mount to NFS server '10.7.70.178' failed: System Error: No route to host.
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