Hi everyone,

First, please forgive my spelling mistakes, english is not my native 
language.

I set up a chain called ges-ext to match any packet coming from my 
internal network (eth1: 192.168.220.0/255.255.255.0) to the external 
network (eth0)
My first rule was this one:
/sbin/iptables -A FORWARD -s 192.168.220.0/255.255.255.0 -i eth1 -o eth0 
-j ges-ext
I worked ok except for UDP packets. I was obliged to switch to this rule 
  to match UDP packets as well:
/sbin/iptables -A FORWARD -i eth1 -o eth0 -j ges-ext

Is it the normal behaviour of iptables ? does the -s switch add 
something like -p tcp as well ? or am I missing something ?

Thanks for your help

Guillaume Serre
[EMAIL PROTECTED]


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