Re: Iptables v1.4.4 + kernel 2.6.31 mangle marking changed?

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Ralph de Boom wrote:
> Hi there,
> 
> Excuse me if this email might go wrong, it's my first message to a
> mailing list.
> 
> But here's my problem: (And I hope you guys could shed light for me...)
> 
> I originally ran Debian Lenny on kernel 2.6.18.
> Since today I reinstalled it to Ubuntu Server 9.10 with kernel  2.6.31.
> 
> Now I used to do this in lenny:
> 
> iptables -t mangle -A PREROUTING -s 192.168.1.0/24 -d 81.4.97.0/24 -j
> MARK --set-mark 0x1
> 
> This would cause relevant packets to be marked 0x1, which in return I
> had a 'ip rule':
> 
> my rules look like this:
> 
> ip rule show
> 0:      from all lookup local
> 32760:  from all fwmark 0x2 lookup upc
> 32761:  from all fwmark 0x1 lookup xs4all
> 32762:  from 192.168.1.XX lookup xs4all
> 32763:  from 192.168.1.XX lookup upc
> 32764:  from 24.132.104.XXX lookup upc
> 32765:  from 192.168.2.XX lookup xs4all
> 32766:  from all lookup main
> 32767:  from all lookup default
> 
> And my 'xs4all' table looks like:
> 
> ip route show table xs4all
> 192.168.2.0/24 dev eth0  proto kernel  scope link  src 192.168.2.XX
> default via 192.168.2.X dev eth0
> 
> 
> I know the rule matches packets i make:
> 
> iptables -t mangle -v -L
> Chain PREROUTING (policy ACCEPT 3111K packets, 1861M bytes)
> pkts bytes target     prot opt in     out     source              
> destination
>   16  1100 MARK       all  --  any    any     192.168.1.0/24      
> ip-space.by.proserve.nl/24 MARK xset 0x1/0xffffffff
> 
> But somehow the connection is never relayed over the xs4all table...
> 
> The changes I've noticed compared to lenny:
> 
> iptables now likes to mark my --set-mark 0x1 as a --set-xmark
> 0x1/0xffffffff
> whereas in lenny it would stay a --set-mark 0x1
> 
> Would be very pleased if someone could help me in this matter.

Please try adding a LOG rule directly after the marking rule and
see what it prints out for the MARK= value.

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