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Update cheatsheets

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ivuorinen
2025-07-10 00:21:00 +00:00
parent b467fadfef
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8
tldr/linux/firewall-cmd
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@@ -15,19 +15,19 @@ source: https://github.com/tldr-pages/tldr.git
- Permanently move the interface into the block zone, effectively blocking all communication:
`firewall-cmd --permanent --zone={{block}} --change-interface={{enp1s0}}`
`firewall-cmd --permanent --zone {{block}} --change-interface {{enp1s0}}`
- Permanently open the port for a service in the specified zone (like port 443 when in the `public` zone):
`firewall-cmd --permanent --zone={{public}} --add-service={{https}}`
`firewall-cmd --permanent --zone {{public}} --add-service {{https}}`
- Permanently close the port for a service in the specified zone (like port 80 when in the `public` zone):
`firewall-cmd --permanent --zone={{public}} --remove-service={{http}}`
`firewall-cmd --permanent --zone {{public}} --remove-service {{http}}`
- Permanently forward a port for incoming packets in the specified zone (like port 443 to 8443 when entering the `public` zone):
`firewall-cmd --permanent --zone={{public}} --add-rich-rule='rule family="{{ipv4|ipv6}}" forward-port port="{{443}}" protocol="{{udp|tcp}}" to-port="{{8443}}"'`
`firewall-cmd --permanent --zone {{public}} --add-rich-rule 'rule family "{{ipv4|ipv6}}" forward-port port "{{443}}" protocol "{{udp|tcp}}" to-port "{{8443}}"'`
- Reload firewalld to lose any runtime changes and force the permanent configuration to take effect immediately: