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From: "Martin A. Brown" <mabrown-lartc@securepipe.com>
To: lartc@vger.kernel.org
Subject: Re: [LARTC] Multiple Default Gateways
Date: Wed, 28 May 2003 13:36:29 +0000	[thread overview]
Message-ID: <marc-lartc-105412901225276@msgid-missing> (raw)
In-Reply-To: <marc-lartc-105412008215254@msgid-missing>

Hello David,

 : Is there an easy way to get certain types of traffic (e.g. sport 25) to
 : be routed over a certain ADSL connection?

Yes.

 : I'm currently able to get all Proxy browsing to go via the ADSL
 : connection by replacing the tcp_outgoing_address and
 : udp_outgoing_address in squid.conf with the ADSL's current IP and
 : restarting the proxy server...
 :
 : I would really like to be able to make certain types of traffic to go
 : via different links...

Try something like this:

iptables -t mangle -A PREROUTING -p tcp --dport 25 -j MARK --set-mark 4
ip rule add fwmark 4 table ADSL

You may need something like this as well in your ip-up script:

iptables -t mangle -A POSTROUTING -p tcp --dport 25 -j SNAT --to-source $4

  (Note $4 is the current dynamic IP handed to us by pppd.)

This may not be everything you need, so please also consult my
linux-ip.net documentation.

  http://linux-ip.net/html/adv-multi-internet.html
  http://linux-ip.net/html/adv-multi-internet.html#adv-multi-internet-outbound

Best of luck,

-Martin

-- 
Martin A. Brown --- SecurePipe, Inc. --- mabrown@securepipe.com

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      reply	other threads:[~2003-05-28 13:36 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2003-05-28 11:06 [LARTC] Multiple Default Gateways dh
2003-05-28 13:36 ` Martin A. Brown [this message]

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