UFW Ubuntu Firewall: Difference between revisions
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Created page with "To block a port in UFW we use ufw deny command ufw deny port/protocol Examples ufw deny 53" |
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To block a port in UFW we use ufw deny command | To block a port in UFW we use ufw deny command | ||
ufw deny port/protocol | |||
ufw deny | Examples | ||
ufw deny 53 | |||
block specific IP address | |||
The syntax is: | |||
sudo ufw deny from {ip-address-here} to any | |||
To block or deny all packets from 192.168.1.5, enter: | |||
sudo ufw deny from 192.168.1.5 to any | |||
To allow ssh service | |||
ufw allow ssh | |||
To see rules config file | |||
cat /etc/ufw/before.rules|less | |||
ufw | To enable firewall and active on boot | ||
ufw enable | |||
Latest revision as of 12:46, 15 July 2018
To block a port in UFW we use ufw deny command
ufw deny port/protocol
Examples
ufw deny 53
block specific IP address
The syntax is:
sudo ufw deny from {ip-address-here} to any
To block or deny all packets from 192.168.1.5, enter:
sudo ufw deny from 192.168.1.5 to any
To allow ssh service
ufw allow ssh
To see rules config file
cat /etc/ufw/before.rules|less
To enable firewall and active on boot
ufw enable