How to open ports

root@quix [/etc/init.d]# cd /etc/ip
root@quix [/etc/init.d]# iptables -A INPUT -p tcp -m tcp --dport 53 -j ACCEPT
root@quix [/etc/init.d]# iptables -A INPUT -p udp -m udp --dport 53 -j ACCEPT
root@quix [/etc/init.d]# ./iptables restart
Flushing firewall rules: [ OK ]
Setting chains to policy ACCEPT: filter [ OK ]
Unloading iptables modules: [ OK ]
root@quix [/etc/init.d]# telnet localhost 53