Networking :: Does The WRT54G Nat Translate The ISP's DNS Numbers
Oct 3, 2010
I have 4 linux nat firewall boxes on 4 seperate networks all plugged into one WRT54G with the wireless function disabled. The WAN port is DHCP to my ISP modem (comcast.) WRT54G is set to gateway mode. WRT54G is not handing out IP's to clients, DHCP set to disable. Modem is a bridge and hands out dynamic internet routable ip addresses. All 4 linux boxes eth0 are static ip's and go to the WRT54g. Each Linux box is a dhcp nat firewalled router to my clients. Problem: DNS is not being resolved to my ISP from my clients. I can ping from a client to any where on the net or through my system. Tried placing the ISP DNS numbers in the /etc/resolv.conf file of servers but did not work.
Question does the WRT54G nat translate the ISP's DNS numbers also and to what? If so placing those numbers in the /etc/resolv.conf might solve the issue. Last bit of info. On one system there is 32 clients using win7 and dhcp. Some clients can surf all the time. Some never, some intermitently. IF I restart the server the above will applies to different clients. The same thing happens on the other 3 server systems. Attaching the Linux box directly to the modem and setting eh0 to DHCP I have no problems. I know it's not the linux boxes. It's placing the WRT54G between the modem and the Linux box that creates the loss of DNS resolution.
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Apr 7, 2009
I just installed Cable internet in my apartment. Part of the deal was a free Router (a Belkin). Now I already had a router so now I have an extra, and I remembered something I wanted to try If I ever got an extra router.... I read somewhere, that you can replace the firmware of the Linksys WRT54G Router/Switch with a Linux-based firmware.
I want to try this, but I have some concerns. I'm worried about losing my WPA2 Encryption, and connection problems; I have two Linux laptops (Ubuntu, and Fedora 64 bit) which connect Wirelessly, a desktop w/ 64 Bit Fedora 10, and two Vista Desktops that connect via Ethernet. Will the multiple Operating Systems cause a problem?
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Oct 8, 2010
I am running Fedora 13 and I have a linksys WRT54G wireless router [1,2]. I'm having a strange problem. I'm using a computer connected to the router via a wired connection. At intermittent moments the connection seems to stop. I can't even ping the router (192.168.1.1). However, if I make NetworkManager reconnect to eth0 the connection immediately comes back and I can ping the router and navigate to websites. If I wait a random amount of time the connection also seems to comes back on its own (without reconnecting via NetworkManager). Any idea if this is a hardware (router) problem or a software problem? This didn't happen a month ago.
P.S: I have already updated to the latest firmware (Ver.8.00.8).[URL]..
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Sep 18, 2010
Problem Summary: - Linksys WRT54G dd-wrt NOT able to route when in Router mode
Env:
- Linksys WRT54G running dd-wrt v24 firmware
- LAN Subnet: 10.0.0.0/8
- WAN Subnet: 172.16.0.0/16
- Linux FC13 configured as a IPv4 router
- LAN 172.16.0.0/16
- WAN ISP/Public IP
[Code]...
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Feb 19, 2011
Situation is a cable modem and a Belkin F5D8235 Wireless-N router (and a computer) are at one end of the property. Approx 150-200 ft away I want to put 3 desktop computers none of which have a wireless card or device. I DO have a Linksys WRT54G I'm not using.I want to hardwire the 3 desktop computers to a switch that is hard wired to the Linksys. Putting a wireless card in one of the 3 computers is not practical because of physical obstructions (a lot of cabinetry, furniture, walls) that the Linksys (which can be at the window) would not have to deal with.
Is it possible for the Linksys to 'receive' the wireless signal from the Belkin so the 3 desktops can share the internet? If not, what could I put in the window to 'receive' or 'repeat' the wireless signal?I know this isn't exactly a Ubuntu question, except that 2 of the 3 computers are 64bit Lucid.
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May 20, 2011
Environment
Linksys WRT54G Wireless
Laptop wireless Windows/XP
Windows/XP Hyper Terminal
Desktop Server Linux OEL 5 (not wireless) cable connected to the WRT54G router port. (I can go to the Internet with this server, but not able to communicate other computers on the WRT54G Wireless Network. Even though, the Linux Server is connected to the WRT54G router port.) From the Hyper Terminal Wireless laptop Windows/XP, I want to connect to my Linux Server.
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Apr 27, 2011
Because my ISP is blocking every IP port under 1000, I'd like my local nat'ed server to be able to translate incoming and outgoing traffic from some port above 1000 to the default server port locally.Example :
To connect to my IMAP server (default port : 143) from the outside,I'd connect to my public IP, port 1143 (opened and nat'ed to the right server on my router) and the server would translate this port to 143 on the same machine.I wish I could simply configure my router to do that but sadly Linksys doesn't permit such setting... I also could modify the listening port of my server but I prefear to keep the default port inside my network.I think that iptables is the right tool to do that and I never used it and I must say that this tool is not so easy to configure at first sigh
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Sep 29, 2010
I've got a Linksys WRT54G v5 router with the latest (1.02.8) firmware. I have two boxes running Slackware 13.1 (one is 32bit, the other 64bit). Both boxes have Linksys WMP54G wireless cards. I run an ssh daemon on both of them so I can access them to transfer files, etc. I am able to ssh from one to the other. But eventually when I try to do it, ssh will complain "no route to host." Rebooting the router immediately fixes the problem. Both of them can still access the Internet, etc., even if they can't reach each other.
As an aside, transfers between the two boxes can be painfully slow--certainly no where near the theoretical maximum. I looked at switching to DD-WRT, but the instructions seemed to be far more difficult than they would be worth. If nobody has a good solution, is there are reasonably-priced wireless router that you would recommend?
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Apr 4, 2011
am writing a small search program for my class. I have decided to use indexing for my program. Ive researched online about indexing and how search engines do it. If im gonno do that I need to create inverted files to associate files to numbers ( numbers being the index of my paths ) . Now I was wondering what would be the best way to create an inverted file ? I was going to create sql tables using mysql api in C but then again there is no array data type or vectors to store few numbers in a single column in mysql and it is not advised to use Enum or SET
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Feb 20, 2010
I've got a Linksys WRT54G v2.2 and a SmartAX MT882 modem I can connect to the Internet by connecting a Ethernet cable from the computer to the router but not wirelessly. I did the following to get it setup from my computer, can anyone see what I may have missed?Now connect the MT882 Ethernet cable directly into one of the WRT54G's LAN ports. Now once the computers are connected they will ask for an IP address and the WRT54G will forward them to the MT882's DHCP server for an address and thus you will get multiple computers through wireless connected to the MT882 and the Internet.
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May 17, 2011
1. My Lunix Desktop is connected via a cable to a port in the LINKSYS WRT54G (my Desktop does not have a wireless card).
2. My EPSON WORKFORCE 600 also is connected via cable to port in the LINKSYS WRT54G.
3. how do I setup Linux Desktop to print on my ESPON WORKFORCE 600?
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Jun 8, 2010
I need to install my wireless router to my ubuntu powered Compaq C552US notebook.
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Jan 12, 2011
I setup DHCP on CentOS 5.5. My issue is whenever my client leases, the server gave the last available IP. eg. my dhcp ip range is 192.168.1.10 to 192.168.1.100, the server gave me 192.168.1.100, then 192.168.1.99 for the second machine. How to configure the dhcp to give the front numbers, eg 192.168.1.10 first, then 192.168.1.11 and so on. Then on option domain-name-servers 8.8.8.8; how can I include second nameserver ? 8.8.4.4 See below for my dhcpd.conf
[Code].........
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Feb 14, 2010
Is there any tool in linux to show information on AS numbers? code...
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Jul 27, 2010
The main thing I want to know is: how to translate my GUI actions into command-line code. I want to know if there is a command that outputs all the commands being made by interaction with my GUI.Say, for example that I type this command and then open a file, the terminal would then print: "gnome-open /{path to file}".(The reason I ask is because I need to know a command to open with a non-default program. I have downloaded MiniCopier, so I want to add a launcher for it to my panel, by figuring out the code to launch it, but the default app to open ".jar" files is archive manager, rather than Java, so "gnome-open" doesn't do the trick. I've even changed the default to Java and still "gnome-open" uses archive manager, while double-clicking will use the new default=java. Weird...)
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Jul 29, 2011
Anyone who could translate this picture for me? Its from Taiwan, so I guess some kind of Chinese.
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Jan 10, 2010
I have a PDF in english of 130 pages, and would like to translate it in english. Google translate is useful, for little text but the whole pdf
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Dec 8, 2010
I've got a cisco error log which is pulled and mailed out via the following code (values are written to a mysql db). I really need to make the IP's in the second column hostnames,I don't really know how to start.I'll paste the code I've got and someone can come up with a bright idea
Code:
LOG=cisco.log
CONTACTEMAIL=blah@blah.com
[code]....
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Nov 3, 2009
I'm following this guide : [URL]... to monitor SIP-connections on an Asterisk-server with Nagios. At some point the author mentions adding the following line to /etc/sudoers : nagios ALL= NOPASSWD: /usr/sbin/asterisk
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Aug 31, 2010
I installed the gnome-gmail-notifier today and I noticed that it wasn't translated. Anyone who knows where to ask for a Swedish translation or how to contribute with one? It's a small application so I figure that it won't be much work to translate it. Not that I need to, but I like to have everything in the same language if possible.
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Jan 1, 2011
I am setting some environmental variable in my .bashrc , the sample code I was provided with is for CSH but I am using bash, and there are some syntax differences between them ... I got most of the script to work, but I am getting an error at this part :
Code: if ($RMSTREE == $RMANTREE) then
set path=($path $RMANTREE/bin)
else
[code]...
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Feb 14, 2010
title's confusing, but can't edit it. I may not know what I'm talking about, but does anyone want to have a go at translating this suggestion I dug up into one that Mint 7 would act on?
sudo insmod /lib/modules/`uname -r`/kernel/drivers/usb/serial/usbs erial.ko vendor=0x16d8 product=0x6280
Object is to get drivers for telstra turbo which isnt recognised at all yet.
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Jun 10, 2010
I have 2 machines running under Lucid Lynx (one a 32-bit laptop, the other a 64-bit desktop). I created on both an account for my wife, and she wants a french environment. Now, when I installed the language packs (using Language Support from System), and I logged into her account for the first time, I selected "language = french" on the login screen, and on the desktop, there was a popup window asking me whether I wanted to translate the desktop menus to french. I said yes, and that happened.However, I did more or less the same thing on the laptop, and although the keyboard is french, and the date and so on is french, I didn't get this popup window asking for a menu translation. Changing the login language, and then changing again to french, didn't trigger this.
Is there a way (command line ?) to trigger this automatic menu translation tool?I think that the language packs are all installed.
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Nov 26, 2010
Kernel 2.6.21.5, Slackware 12.0
As a result of having mixed files from different filesystems, I have, in directory foo/, files with filenames in uppercase and files with filenames in lowercase. If I want to convert them to all uppercase how do I do it? Consider this will be later recorded into optical discs.
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Aug 26, 2010
I have a CSV called source1 with data like:
Date12:00:00 AM12:30:00 AM01:00:00 AM01:30:00 AM02:00:00 AM02:30:00 AM03:00:00 AM ...
07/31/1051.5252.4852.6452.863.3663.8445.6 ...
08/01/1049.4449.9261.2860.1652.6449.1247.52 ...
08/02/1049.1248.9648.9650.7260.1658.0851.04 ...
08/03/1060.3260.6459.260.9637.9233.2832.8 ...
[Code].....
Also, the CSV file is updates every few hours and I need to load any new data from the file to the database without creating duplicates of data that has already been loaded to the database.
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Sep 8, 2010
Im using bind9 as DNS server on my LAN, but it does not seem to translate its own hostname correctly for some reason. Other hosts is translated correctly, the problem only seems to apply to the DNS host itself. if i "ping <server_hostname>" from the server, it translates correctly. But if i "ping <server_hostname>" from the client it only says "unknown host" The client has the correct DNS-server assigned. How can i start troubleshooting this?
[Code]...
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Mar 13, 2011
I have used Tangible Software Soultion's tool to translate a C# code to C++, which resulted in:
//Welcome.h
#include <iostream>
using namespace std;
[code]....
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Mar 10, 2010
I have lirc but I haven't got the hang of it yet. Ive have made a lircmap.xml and put that file in /.xbmc/userdata but xbmc still doesn't respond to it. I have even tried /.xbmc/userdata/keymaps and nothing. You can say that I have lost faith in lirc. I there a program that can translate remote control signals to regular keyboard letters?
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Nov 18, 2009
I want to translate the virtual address to physical address in linux C application, how to do that?
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Apr 6, 2010
i can get : 0 1 2 3 4 5 6 7 8 9 10 with command
echo -n {0..10}
how can i get : 0 2 4 6 8 10? and : 0 3 6 9??
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