How To Open Specific Port In Cent Os Permanently
Hello everybody,
today I want to document how to permanently open port in CentOS linux permanently. You can achieve it with following command:
firewall-cmd --zone=public --add-port=22/tcp --permanent
or with usage of iptables:
iptables -I INPUT -p tcp -m tcp --dport 80 -j ACCEPT
Key --permanent ensures that port will remain working after the reboot.
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