Iptables - Error: No chain/target/match by that name

[Mike Wright]

Rafael Dewes wrote:
> Friends, I am using iptables 1.5.7 + linux kernel 2.6.20.2 and the
> last patch-o-magic.
> 
> But, when I exec this rule
> iptables -I INPUT -s 192.168.0.0/24 -p tcp --dport 21 -j ACCEPT

Try this.

iptables -I INPUT -s 192.168.0.0/24 -p tcp -m tcp --dport 21 -j ACCEPT

Many of these types of filters can be found in the man page.  Look for 
MATCH EXTENSIONS.

hth, :m)