[TriLUG] SOLVED: OpenWRT/IPTables Question

[Kevin Jones]

Hi Randy,
If you're running OpenWRT, you may want to consider installing the FON software which will "join" your WiFi router to a global network of other FON WiFi hotspots. It is particularly useful if you live in a densely populated area where you can be a part of a larger connected WiFi network. Skype is incorporated in to the software as well, so you can use a Skype phone around your house and anywhere you find another FON router. Check it out when you get some time in between reading about IPTables. :) 

http://www.fon.com/en/download

Kevin
PS John Roberts created a quick reference sheet for IPTables for a previous UCLUG meeting which you can download from http://www.uclug.org/iptables.sxw


----- Original Message ----
From: Randy Barlow <randy at electronsweatshop.com>
To: Triangle Linux Users Group discussion list <trilug at trilug.org>
Sent: Saturday, April 28, 2007 3:46:07 PM
Subject: Re: [TriLUG] SOLVED: OpenWRT/IPTables Question

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Randy Barlow wrote:
> Hi Triluggers!  I've recently set up an OpenWRT router, and let's just say
> that I'm pretty much a total noob at iptables as well as the OpenWRT.  I
> wanted to set up port forwarding for various ports, so I did something
> like the following for each:
> 
> iptables -t nat -A prerouting_wan -p tcp --dport 80 -j DNAT --to
> 192.168.1.135:8
> iptables        -A forwarding_wan -p tcp --dport 80 -d 192.168.1.135 -j
> ACCEPT
> 
> Now these rules seem to work just fine if you are on the outside network,
> but on my network the ports don't get forwarded.  So I'm thinking maybe I
> need two more rules similar to the above but change the "wan" part to
> "lan" maybe?  Does that sound like what I should do?

I found a forum post that helped me figure this out at:
http://forum.openwrt.org/viewtopic.php?id=7716 for anyone who has this
question in the future :)  I still don't understand this stuff at all,
but hey, I have a working system.  Time to go and read iptables docs I
suppose!

R
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