Messages in this thread | | | Subject | Re: netfilter/iptables bug ? | From | Martin Josefsson <> | Date | 02 Apr 2003 00:51:22 +0200 |
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On Wed, 2003-04-02 at 00:44, J.A. Magallon wrote: > Hi all... > > I'm trying to do NAT from a internal eth1 to external eth0 (connected > with a cable modem). Every doc I read says I should do: > > iptables -t nat -A POSTROUTING -o eth0 -j MASQUERADE > > But I just keep getting: > > iptables: Invalid argument > > Kernel: 2.4.21-pre6 + -pre5-aa. iptables 1.2.7a.
Recompile iptables against your new kernel. A major NAT patch (newnat) went into 2.4.20 which changed a lot of structures. A recompile against a >= 2.4.20 kernel will get it working again.
I suggest that you post further mail about iptables-problems to netfilter@lists.netfilter.org as that's where you are most likely to get help.
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