Re: routing_based_on_port/services

From: Vladimir Mitiouchev (vovcia_at_irc.pl)
Date: 10/05/05

  • Next message: Artur Szczotka: "Re: routing_based_on_port/services" 
    Date: Wed, 5 Oct 2005 14:55:57 +0200 (CEST)
To: kucserak@post.sk

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    On Mon, 3 Oct 2005, kucserak@post.sk wrote:

    > I just want to ask you a question.I have a linux(Secure platform) gateway server with 2 external ip address to the internet (one S/0 ADSl, second S/1 Point to Point) and one internal ip eth0 for my LAN. I need to split up the outgoing traffic.HTTP/HTTPS want to route through the ADSL and the rest of traffic (SMTP,POP3,FTP) through the Point to Point.Can i solve this with Linux iptables or whatever else. Any suggestion help..

    (***Read LARTC (Linux Advanced Routing and Traffic Control***)

    Mark HTTP[S] traffic with fwmark
    # iptables -A FORWARD -s localnet/localmask -m mport -p tcp --dports
    80,443
    - -j MARK --set-mark 0x1

    Create custom routing table and set default route on it with

    # ip route add default via [ppp-gw] table [customtable]

    Add a rule for routing marked packets
    # ip rule add fwmark 0x1 table [customtable]

    Should work, i think.

    Vladimir
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