Jiri UFW Firewall chebe Ubuntu 22.04

Ikpe Ubuntu 22.04 na UFW Firewall

Chekwaa Ubuntu 22.04 sava gị site n'ịnye UFW Firewall. Ndụmọdụ a na-ekpuchi ihenhọrọ nchekwa dị mkpa iji chebe VPS gị.

Gịnị mere nchekwa ji dị mkpa

UFW na-enye n'imenye maka ịrụzi iwu firewalụ iptables, nke dị mkpa maka ichekwa sava gị site n'ịbanye na-enweghị ikike.

Nzọụkwụ 1: Hazie UFW Firewall

sudo apt update
sudo apt install ufw -y

Nzọụkwụ 2: Nhazi iwu firewall

Hazie iwu fainwuo okpuru:

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

Nzọụkwụ 3: Mepụta UFW Firewall

sudo ufw enable

Nzọụkwụ 4: Nnyocha nhazi

sudo ufw status verbose

Ndụmọdụ nchekwa ndị ọzọ

• Nwere ike ikwe SSH mgbe niile tupú ikwe UFW ka i ghará ịda n'ime
• Jiri nọmba portị ọfụụ n'ebe ahụ maka nlekọta dị mma
• Nlekọta oge niile maka firewalụ lóg̀ na /var/log/ufw.log

Nkọwa

Ubuntu sava gị ka a na-echebe site na UFW Firewall. A na-atụ aro ka a hụ na nchekwa dị n'ụzọ ziri ezi.