I'm following some instructions for Installing Tomcat. They require me to add the following line to my iptables file:
-A RH-Lokkit-0-50-INPUT -p tcp -m tcp --dport 8080 --syn -j ACCEPT
Having carefully read the man page for iptables, I have learned what the parameters do, except for the first one.
What does -A RH-Lokkit-0-50-INPUT do, and can you confirm that it is sensible in this case?