sudo ufw app list | grep Nginx
#output
Nginx Full
Nginx HTTP
Nginx HTTPS
Block an IP Address/Subnet
sudo ufw deny from 10.10.10.10
sudo ufw deny from 10.10.10.10/24
Block Incoming Connections to a Network Interface
sudo ufw deny in on eth0 from 10.10.10.10
Allow Incoming Connections to a Network Interface
sudo ufw allow in on eth0 from 10.10.10.10
Allow an IP in
sudo ufw allow from 10.10.10.10
Deleting Rules
sudo ufw status numbered
#output
Status: active
To Action From
-- ------ ----
[ 1] Anywhere DENY IN 10.10.10.10
[ 2] Anywhere on eth0 ALLOW IN 10.10.10.11
#now delete the rule
sudo ufw delete 1
#get status
sudo ufw status
Status: active
To Action From
-- ------ ----
OpenSSH ALLOW Anywhere
Nginx Full ALLOW Anywhere
OpenSSH (v6) ALLOW Anywhere (v6)
Nginx Full (v6) ALLOW Anywhere (v6)
#remove the service you want to deny
sudo ufw allow "Nginx HTTPS"
--OR--
sudo ufw delete allow "Nginx Full"
