From mboxrd@z Thu Jan  1 00:00:00 1970
From: "Martijn Lievaart" <netfilter.at.list.samba.org@rtij.nl>
Subject: Re: z-newnat16 - Implementation of the new nat API for 
     kernel2.4.19-pre4 and above.
Date: Wed, 23 Oct 2002 16:14:15 +0200 (CEST)
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To: Juliano Dapper <juliano@dualcon.com.br>, netfilter@lists.netfilter.org

Cedric Blancher zei:

> Le mar 22/10/2002 =E0 21:20, Juliano Dapper a =E9crit :
>> I Have problems after compile kernel 2.4.19 with patch-o-matic20020825=
,
>> option z-newnat16.
>> After compile and restart my linux box, i try insert basic rule:
>> iptables -t nat -A POSTROUTING -o eth0 -j MASQUERADE and result is:
>> ARGUMENT INVALID
>> My iptables is version 1.2.7a and kernel 2.4.19.
>

I had the same problem. Turned out I did not compile the userspace tools
against this new kernel. Doing so solved the problem.

HTH,
Martijn Lievaart