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Recently I added to iptables a rule which was supposed to allow incoming traffic through port 993. The rule I used is the one shown below:
sudo iptables -A INPUT -p tcp --dport 993 -j ACCEPT
After I entered the rule, I ran "iptables-save > /etc/iptables/rules.v4" and rebooted the server. However when I use the telnet command to check the port I am getting following error.
telnet localhost 993
it tells me the connection is refused by the host (my server). This is not only happening to this port but to other ports I try to open. Am I doing something wrong, running a wrong command, etc? Please help me.