Re: only direct port 80 traffic from client

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I've thought that you had branch office with others Firewalls
connected to head office so this way would be as I've suggested....

I think that you can solve your problem searching in OpenVPN forum to
iptables/netfilter.

because you have handle traffic from client no in your firewall rules.




Em 23 de abril de 2011 13:23, J Webster <jw.jwebster@xxxxxxxxx> escreveu:
>
>> You can use iproute2 to split your traffic.
>>
>> http://lartc.org/howto/
>>
>> follow a tip:
>>
>>
>> 1- create a table with name bradesco
>>
>> echo 200 bradesco>>  /etc/iproute2/rt_tables
>>
>> 2- Marking the packages desirable ( 192.100.100.0/24>  branch office
>> inside network, 128.2.0.0/16 head office inside network )
>>
>> /sbin/iptables -t mangle -A PREROUTING -i eth0 -s 192.100.100.0/24 -d
>> 128.2.0.0/16 -p tcp --dport 80 -j MARK --set-mark 1
>> /sbin/iptables -t mangle -A PREROUTING -i eth0 -s 192.100.100.0/24 -d
>> 128.2.0.0/16 -p tcp --dport 443 -j MARK --set-mark 1
>>
>> 3- Add packages have been marked with tag 1 to table bradesco
>>
>> ip rule add fwmark 1 table bradesco prio 20
>>
>> 4- Add a gateway for table bradesco
>>
>> ip route add default via tun0 table bradesco
>>
>> where tun0 it's your address VPN tunnel
>>
> But this is on the server isn't it?
> It is the traffic from the client and all clients are outside of the
> network.
> So, a client from 88.11.11.11 connects to my VPN on fixed IP
> 123.123.123.123. Another client from 78.22.11.22 connects to
> 123.123.123.123.
> I only want them to send port 80 traffic to the server but they should
> direct all their email traffic and other apps through their normal ISP.
> iptables cannot bounce the traffic back to the client because the client
> won;t know where to send it after that?
>
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