ip rule

IP routing policy database management. More information: https://manned.org/ip-rule.

• 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