VPS Guide: Your Go-To for VPS, Ubuntu & Command Line Success

Set Up Arch Linux Firewall

Category: VPS Setup

Configure iptables—a firewall tool—on an Arch Linux VPS—install with

pacman -S iptables

set rules:

iptables -A INPUT -p tcp --dport 22 -j ACCEPT && iptables -A INPUT -j DROP

Save with

iptables-save > /etc/iptables/iptables.rules

enable:

systemctl enable iptables

On Vultr test with

ssh user@ip

—only port 22 works Ensures uptime—add MySQL (3306) and phpMyAdmin rules leaner than UFW for VPS hosting