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Groups > comp.os.linux.networking > #2599

Re: iproute2 fwmark doesn't work (or iptables --set-mark doesn't)

From Pascal Hambourg <boite-a-spam@plouf.fr.eu.org>
Newsgroups comp.os.linux.networking
Subject Re: iproute2 fwmark doesn't work (or iptables --set-mark doesn't)
Date 2013-12-03 23:58 +0100
Organization Plouf !
Message-ID <l7lnm7$2itj$1@saria.nerim.net> (permalink)
References <gof.1386078295.6555@somewhere.invalid> <l7kqrv$gss$1@dont-email.me>

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Tauno Voipio a écrit :
> 
> Iptables and routing apply to layer 3 (network).
> Your tunnel interface (tap0) is a layer 2 (data link) device.

So what ? eth0 and eth1 are layer 2 devices too.

> If you're tunneling at data link layer, the firewall does
> not do anything at it.
> 
> I'd start by changing the VPN to use tun0 instead.

Total nonsense. Iptables and ip do not care about the type of interface.
As you wrote, they work at the layer 3.

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Thread

iproute2 fwmark doesn't work (or iptables --set-mark doesn't) gof@somewhere.invalid (Adam Wysocki) - 2013-12-03 13:45 +0000
  Re: iproute2 fwmark doesn't work (or iptables --set-mark doesn't) Tauno Voipio <tauno.voipio@notused.fi.invalid> - 2013-12-03 16:46 +0200
    Re: iproute2 fwmark doesn't work (or iptables --set-mark doesn't) gof@somewhere.invalid (Adam Wysocki) - 2013-12-03 18:07 +0000
    Re: iproute2 fwmark doesn't work (or iptables --set-mark doesn't) Pascal Hambourg <boite-a-spam@plouf.fr.eu.org> - 2013-12-03 23:58 +0100
  Re: iproute2 fwmark doesn't work (or iptables --set-mark doesn't) Pascal Hambourg <boite-a-spam@plouf.fr.eu.org> - 2013-12-04 00:13 +0100
    Re: iproute2 fwmark doesn't work (or iptables --set-mark doesn't) gof@somewhere.invalid (Adam Wysocki) - 2013-12-07 12:36 +0000
      Re: iproute2 fwmark doesn't work (or iptables --set-mark doesn't) Pascal Hambourg <boite-a-spam@plouf.fr.eu.org> - 2013-12-07 16:14 +0100
        Re: iproute2 fwmark doesn't work (or iptables --set-mark doesn't) Pascal Hambourg <boite-a-spam@plouf.fr.eu.org> - 2013-12-07 16:21 +0100
  Re: iproute2 fwmark doesn't work (or iptables --set-mark doesn't) logsnaath@gmail.com - 2014-08-03 13:06 -0700
    Re: iproute2 fwmark doesn't work (or iptables --set-mark doesn't) Pascal Hambourg <boite-a-spam@plouf.fr.eu.org> - 2014-08-03 23:22 +0200

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