How to open port in Ubuntu 16.04 | 18.04 | 20.04

Описание

Ubuntu comes with a firewall configuration tool called UFW (Uncomplicated Firewall). In this video, I will show how to open port 80 and 22 in ubuntu.

Commands used -

ufw status
ufw enable
ufw allow 80/tcp
ufw allow ssh
ufw reload

To close the port
ufw deny your-port -number

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