Configuring firewall in ubuntu is easy

install ufw     sudo apt-get install ufw

check status   sudo ufw status

add rule sudo ufw allow 22

sudo ufw allow from 129.188.2.3

remove sudo ufw deny 22

remove sudo ufw delete 22


Leave a Reply

Fill in your details below or click an icon to log in:

WordPress.com Logo

You are commenting using your WordPress.com account. Log Out / Change )

Twitter picture

You are commenting using your Twitter account. Log Out / Change )

Facebook photo

You are commenting using your Facebook account. Log Out / Change )

Google+ photo

You are commenting using your Google+ account. Log Out / Change )

Connecting to %s