Beware: after running this command all access restrictions imposed by ufw rules will be gone.
ufw disable
# ufw status - Show short status.
Status: active To Action From -- ------ ---- 22 ALLOW Anywhere Anywhere ALLOW 10.10.10.0/24 22 (v6) ALLOW Anywhere (v6)
ufw status verbose- Show all rules, including the default ones, and logging level.
Status: active Logging: on (low) Default: deny (incoming), allow (outgoing), allow (routed) New profiles: skip To Action From -- ------ ---- 22 ALLOW IN Anywhere Anywhere ALLOW IN 10.10.10.0/24 22 (v6) ALLOW IN Anywhere (v6)
ufw status numbered - Show rules with their sequence numbers, that we can later use to delete some specific rule.
Status: active
To Action From
-- ------ ----
[ 1] 22 ALLOW IN Anywhere
[ 2] Anywhere ALLOW IN 10.10.10.0/24
[ 3] 22 (v6) ALLOW IN Anywhere (v6)
ufw enable - Enable ufw firewall and load the default rules, as well as user created if any in the /etc/ufw/user.rules.
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 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.