Я тут поискал и вписал:
iptables -I INPUT -p tcp --dport 27016 -m state --state NEW -j ACCEPT
iptables v1.4.21: can't initialize iptables table `filter': Table does not exist (do you need to insmod?)
seroff@Asus:~ > iptables -I INPUT -p tcp --dport 27016 -m state --state NEW -j ACCEPT
conntrack: Could not determine whether revision 3 is supported, assuming it is.
conntrack: Could not determine whether revision 3 is supported, assuming it is.
conntrack: Could not determine whether revision 3 is supported, assuming it is.
modprobe: ERROR: could not insert 'ip_tables': Operation not permitted
iptables v1.4.21: can't initialize iptables table `filter': Table does not exist (do you need to insmod?)
Perhaps iptables or your kernel needs to be upgraded.
seroff@Asus:~ >
