I am trying to configure iptables for ubuntu 10.04 and I have a problem with iptables -L lagging on rows where the destination or source address is not localhost or anywhere. The following entries will cause lag on their row:
iptables -A INPUT -p tcp --dport 111-s 192.168.1.14 -j ACCEPT iptables -A INPUT -p tcp --dport 90 -d 192.168.1.14 -j ACCEPT
while this does not:
iptables -A INPUT -p tcp --dport 111 -j ACCEPT iptables -A INPUT -p tcp --dport 90 -j ACCEPT
I feel like this might be due to iptables checking to see if the ip is reachable. If not, what is the cause, if it is how can I disable it?