You should also make sure you are loading modules ip_tables and ip_conntrack before you load your other modules. Khanh Tran Network Operations Sarah Lawrence College -----Original Message----- From: Paulo J. Matos [mailto:pocm@mega.ist.utl.pt] Sent: Sunday, February 16, 2003 9:45 AM To: Khanh Tran; netfilter@lists.netfilter.org Subject: Re: Command not working in latest version > You'll now want to do: > > iptables -t nat -A POSTROUTING -o eth0 -j SNAT --to $EXTIP > > where eth0 is the interface going out to the Internet and $EXTIP is the > public IP on that interface. Hi Khanh, strangely I still get Invalid Argument. iptables -t nat -A POSTROUTING -o eth1 -j SNAT --to 217.129.146.56 where eth1 is the interface that gives access to the internet with IP 217.129.146.56 (given by DHCP server). Thx for your patience, Paulo > > Khanh Tran > Network Operations > Sarah Lawrence College > > > -----Original Message----- > From: Paulo J. Matos [mailto:pocm@mega.ist.utl.pt] > Sent: Sunday, February 16, 2003 9:00 AM > To: netfilter@lists.netfilter.org > Subject: Command not working in latest version > > > Hi all, > > I've changed from my old distribution to a new one that comes with iptables > 1.2.7a. > I have iptables in the kernel (2.4.20) and I've loaded the modules > iptable_nat, ipt_REDIRECT and ipt_MASQUERADE. > I had in my previous distributions the following lines: > iptables -t nat -F > iptables -t nat -A POSTROUTING -o eth0 -j MASQUERADE > > This would give total access from lan attached to eth0 to the internet > through my computer. But now, line 1 executes ok, line 2 gives: > iptables: Invalid Argument > > If I do : > iptables -t nat -A POSTROUTING -o eth0 > everything runs ok but lan has still no access to the internet as expected. > What's happening, any ideas? > > Best regards, > > Paulo > > > > > > >
