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 ACCEPTMany of these types of filters can be found in the man page. Look for MATCH EXTENSIONS.
hth, :m)