From mboxrd@z Thu Jan  1 00:00:00 1970
From: Esteban <eribicic@sinectis.com>
Subject: argument error while natting?
Date: 26 Feb 2003 02:13:59 -0300
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always i try to use the nat issues i get "Invalid argument" ..
why could it be?

root@debian:~# iptables -t nat -A PREROUTING -i eth2 -p tcp --dport 80
-j DNAT --to 127.0.0.1:3128
iptables: Invalid argument
root@debian:~# 
root@debian:~# iptables -t nat -A PREROUTING  -p tcp --dport 80 -j DNAT
--to 127.0.0.1:3128
iptables: Invalid argument
root@debian:~# 
root@debian:~# iptables -t nat -A POSTROUTING -o eth0 -j MASQUERADE
iptables: Invalid argument

root@debian:~# 
root@debian:~# iptables  --version
iptables v1.2.7a
root@debian:~# lsmod 
Module                  Size  Used by    Not tainted
ipt_MASQUERADE          1912   0  (autoclean)
iptable_nat            23064   0  (autoclean) [ipt_MASQUERADE]
ip_conntrack           28832   1  (autoclean) [ipt_MASQUERADE
iptable_nat]
iptable_filter          1672   1  (autoclean)
ip_tables              14360   5  [ipt_MASQUERADE iptable_nat
iptable_filter]
root@debian:~#