Chitetezo cha Ubuntu 22.04 ndi UFW Firewall

Kuchepetsa Ubuntu 22.04 ndi UFW Firewall

Kuteteza Ubuntu 22.04 server yanu pogwiritsa ntchito UFW Firewall.This guide imapereka zofunikira zofunikira zoteteza kuteteza VPS yanu.

Chifukwa chiyani chitetezo ndi chofunika

UFW amapatsa mawonekedwe othandiza kwa kuwongolera iptables firewall malamulo, zofunika kuteteza seva yanu kuchokera kulowa opanda chilolezo.

Gawo 1: Kukhazikitsa UFW Firewall

sudo apt update
sudo apt install ufw -y

Gawo 2: Kusintha Firewall malamulo

Kukhazikitsa zofunika firewall malamulo:

sudo ufw default deny incoming
sudo ufw default allow outgoing
sudo ufw allow ssh
sudo ufw allow 80/tcp
sudo ufw allow 443/tcp

Gawo 3: Kukhazikitsa UFW Firewall

sudo ufw enable

Gawo 4: Kuyesa kukhazikitsa

sudo ufw status verbose

Zidule Zowonjezera za Security

• Nthawi zonse gwiritsani ntchito SSH poyamba kuti muchepetse kulephera kwa UFW
• Use specific port numbers instead of service names for better control
• M'malo mwake, onetsetsani kuti mwayang'ananso zolemba za firewall pa /var/log/ufw.log

Kumaliza

Ubuntu server yanu tsopano ikutetezana ndi UFW Firewall. Kuyenera kuchitidwa ndondomeko yoyang'anira chitetezo.