grimoire

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firewalld.md (448B)


      1 # firewall-cmd
      2 
      3 ## add / remove port
      4 ```
      5 firewall-cmd --permanent --add-port=<port_num>/<protocol>
      6 firewall-cmd --permanent --remove-port=<port_num>/<protocol>
      7 
      8 firewall-cmd --permanent --add-port=22/tcp
      9 firewall-cmd --permanent --remove-port=22/tcp
     10 ```
     11 
     12 ## open port on specific ip
     13 [serverfault answer][]
     14 
     15 [serverfault answer]: https://serverfault.com/questions/684602/how-to-open-port-for-a-specific-ip-address-with-firewall-cmd-on-centos#684603