I created an EC2 ubuntuu 12.04 instance. i have opened TCP 12202 port through security group console of AWS .But i am unable to open instance port . I tried below commands to open the port .
sudo iptables -F
sudo iptables -A INPUT -d 0/0 -s 0/0 -p tcp –dport 12202 -j ACCEPT
sudo iptables -A INPUT -d 0/0 -s 0/0 -p tcp –sport 12202 -j ACCEPT
. but no result . when i check through nmap . it says port 12202 closed . what would be the cause ?
You have no program listening to port 12202. Start the service.
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