tldr/pages/linux/ip-rule.md

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2021-09-16 00:02:53 +01:00
# ip rule
> IP routing policy database management.
> More information: <https://man7.org/linux/man-pages/man8/ip-rule.8.html>.
- Display the routing policy:
`ip rule {{show|list}}`
- Add a new rule based on packet source addresses:
`sudo ip rule add from {{192.168.178.2/32}}`
- Add a new rule based on packet destination addresses:
`sudo ip rule add to {{192.168.178.2/32}}`
- Delete a rule based on packet source addresses:
`sudo ip rule delete from {{192.168.178.2/32}}`
- Delete a rule based on packet destination addresses:
`sudo ip rule delete to {{192.168.178.2/32}}`
- Flush all deleted rules:
`ip rule flush`
- Save all rules to a file:
`ip rule save > {{path/to/ip_rules.dat}}`
- Restore all rules from a file:
`ip rule restore < {{path/to/ip_rules.dat}}`