以下cmd 需要在有root權的acc使用
Install ufw
sudo apt-get install gufw
Check firewall status
ufw status
Turn on Firewall
ufw enable
Turn off Firewall
ufw disable
Allow a port
ufw allow [port number]
Allow an ip address
ufw allow from [ip address]
Allow a specific ip address and port
ufw allow from [ipaddress] to any port [port number]
Allow ip address range 10.120.0.1 – 10.120.0.255 to port 22
ufw allow from 10.0.0.0/24 to any port 22
Blocking a port
ufw deny port [port number]
To remove a deny or allow rule
ufw delete deny [port number]
Comment feed