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yuriskinfo
2021-05-16 18:49:02 +03:00
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Ubuntu-ufw-firewall-cookbook.adoc
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@@ -4,6 +4,7 @@
<<Verify status of the ufw firewall>> + <<Verify status of the ufw firewall>> +
<<Enable ufw firewall>> + <<Enable ufw firewall>> +
<<Allow SSH access to this server from Any IP source>> <<Allow SSH access to this server from Any IP source>>
<<Delete a rule by its number>>
== Disable/unload the firewall == Disable/unload the firewall
@@ -62,3 +63,21 @@ Status: active
`*ufw allow 22*` - Add port 22 to the `filter` table with action of `allow`. The rule will be added to the `/etc/ufw/user.rules` file and will survive reboot. `*ufw allow 22*` - Add port 22 to the `filter` table with action of `allow`. The rule will be added to the `/etc/ufw/user.rules` file and will survive reboot.
== Delete a rule by its number
`*ufw delete <rule number>*` +
First, see the rule numbers with `*ufw status numbered*`. Let's say I want to delete rule number 2:
----
# ufw delete 2
Deleting:
allow from 10.10.10.0/24
Proceed with operation (y|n)? y
Rule deleted
----
On deleting a rule, the ufw moves rules up, taking place of the removed rule in sequencing. That is, the rule that was numbered 3 before the deletion of rule 2, will become new rule number 2.