On Tue, Feb 20, 2001 at 05:30:19PM +0000, John P . Looney wrote:
> It's a big enough difference, but not massive. For a start, you get
> stateful rules; so you can do stuff like
>> iptables -A FORWARD -i eth0 -m state --state ESTABLISHED,RELATED -j ACCEPT
>> to accept all inbound (assuming eth0 is the external interface) traffic,
> that's due to an existing outbound connection. Well good.
Yeah, and insmod ip_nat_ftp and ip_conntrack_ftp and netfilter willcheck
outgoing ftp control connections for the PORT command and allow incoming
data connections by using the RELATED state. No more passive ftp, super
Bother! said Pooh, as he was captured by Nazi Smurf commandos.
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