INTERFACE_INTERNET="eth1"
LOCALNET="10.1.1.2/24"

echo 1 > /proc/sys/net/ipv4/ip_forward
ipchains -A forward -i $INTERFACE_INTERNET -s $LOCALNET -j MASQ

try http://www.linux-firewall-tools.com/linux/firewall/index.html


----- Original Message ----- 
From: "M. Wolffensperger" <[EMAIL PROTECTED]>
To: "Christopher Astbury" <[EMAIL PROTECTED]>
Cc: <[EMAIL PROTECTED]>
Sent: Thursday, January 17, 2002 12:07 AM
Subject: ipchains


> 
> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA1
> 
> I have a problem with Redhat linux 7.2.
> I have installed ipchains now I want to create some chains so that
> the client machines can use the linuxbox as a router  I did the
> following.
> 
> echo 1 > /proc/sys/net/ipv4/ip_forward
> So far no problem
> 
> Than I want to add a chain as followd.
> ipchains -A forward -s 10.1.1.2/24 -d 0.0.0.0/0 -j MASQ
> 
> But than I got the following error 
> ipchains: protocol unknown 
> 
> 
> Met vriendelijke groet, 
>  
> Martijn Wolffensperger 
>  
> Networking Expertise Holland 
> Pachter 16 
> 3834 CE Leusden 
> Telefoon 033 - 4343075 
> Fax 033 - 4343080 
>  
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