ufw allow port from ip code example

Example 1: enable ufw ubuntu

sudo ufw enable

Example 2: ufw allow port

sudo ufw allow http
sudo ufw allow 80

Example 3: allow ip through ufw

sudo ufw allow from 15.15.15.0/24  to any port 22

Example 4: iptables allow port from anywhere

sudo iptables -A INPUT -p tcp -m multiport --dports 80,443 -m conntrack --ctstate NEW,ESTABLISHED -j ACCEPT
sudo iptables -A OUTPUT -p tcp -m multiport --dports 80,443 -m conntrack --ctstate ESTABLISHED -j ACCEPT

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