How To Open Telnet Port In Linux?
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To open Telnet port in Linux, you will need to edit the /etc/services file with a text editor such as vi or nano. You will need to add the line “telnet 23/tcp” to the file. Then, you need to update the iptables rules to allow traffic on port 23. To do this, use the command “iptables -A INPUT -p tcp –dport 23 -j ACCEPT”. Finally, you will need to restart the service with the command “service iptables restart”.