From mboxrd@z Thu Jan  1 00:00:00 1970
From: =?ISO-8859-1?Q?J=F6rg_Harmuth?= <harmuth@mnemon.de>
Subject: Re: layer7 problem
Date: Wed, 24 Aug 2005 14:22:53 +0200
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Antonio P=E9rez schrieb:
> J=F6rg Harmuth wrote:
>=20
>> Antonio P=E9rez schrieb:
>> =20
>>
>>> Hi Joerg,
>>>
>>> Thanks for your reply, I also tried PREROUTING and also many differen=
t
>>> protocols, not only http and the problem remains the same, everything
>>> seems to work properly, no errors, but the number of marked packets
>>> remains empty.
>>> Any idea will be apreciated, thanks.
>>>  =20
>>
>>
>> Could you please post the output of iptables-save ? I assume, that som=
e
>> other rules are the culprit ;)
>>
>> Have a nice time,
>>
>> Joerg
>>
>>
>> =20
>>
> iptables-save
> # Generated by iptables-save v1.3.3 on Wed Aug 24 14:05:01 2005
> *mangle
> :PREROUTING ACCEPT [633:402628]
> :INPUT ACCEPT [633:402628]
> :FORWARD ACCEPT [0:0]
> :OUTPUT ACCEPT [606:91422]
> :POSTROUTING ACCEPT [606:91422]
> -A PREROUTING -m layer7 --l7proto http -j MARK --set-mark 0x1
> -A PREROUTING -m layer7 --l7proto dns -j MARK --set-mark 0x1
> -A POSTROUTING -m layer7 --l7proto http -j MARK --set-mark 0x1
> -A POSTROUTING -m layer7 --l7proto dns -j MARK --set-mark 0x1
> COMMIT
> # Completed on Wed Aug 24 14:05:01 2005

[SNIP]

> I applied layer7 patch to kernel and iptables, do I need to add any
> other path?

No, that will do. Well, these rules are fine - but it's only mangle
table. What about filter / nat table ? Any rules in these chains ? Any
policies set to DROP ?

Have a nice time,

Joerg