2015-01-12 15:45:34 +00:00
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# firewall-cmd
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2021-05-20 21:13:41 +01:00
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> The firewalld command-line client.
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2021-07-09 15:45:55 +01:00
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> More information: <https://firewalld.org/documentation/man-pages/firewall-cmd>.
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2015-01-12 15:45:34 +00:00
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2016-01-07 17:31:27 +00:00
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- View the available firewall zones:
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2015-01-12 15:45:34 +00:00
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`firewall-cmd --get-active-zones`
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2016-01-07 17:31:27 +00:00
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- View the rules which are currently applied:
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2015-01-12 15:45:34 +00:00
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`firewall-cmd --list-all`
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2020-03-03 17:21:21 +00:00
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- Permanently move the interface into the block zone, effectively blocking all communication:
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`firewall-cmd --permanent --zone={{block}} --change-interface={{enp1s0}}`
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2021-01-31 17:05:18 +00:00
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- Permanently open the port for a service in the specified zone (like port 443 when in the `public` zone):
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2015-01-12 15:45:34 +00:00
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`firewall-cmd --permanent --zone={{public}} --add-service={{https}}`
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2021-01-31 17:05:18 +00:00
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- Permanently close the port for a service in the specified zone (like port 80 when in the `public` zone):
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2015-01-12 15:45:34 +00:00
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`firewall-cmd --permanent --zone={{public}} --remove-service={{http}}`
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2020-03-03 17:21:21 +00:00
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- Permanently open two arbitrary ports in the specified zone:
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`firewall-cmd --permanent --zone={{public}} --add-port={{25565/tcp}} --add-port={{19132/udp}}`
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2016-01-07 17:31:27 +00:00
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- Reload firewalld to force rule changes to take effect:
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2015-01-12 15:45:34 +00:00
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`firewall-cmd --reload`
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