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

Configure UFW with IPv6 on Ubuntu

Category: VPS Setup

Enable IPv6 support in UFW on Ubuntu—install with

apt install ufw

then edit /etc/default/ufw with

nano /etc/default/ufw

setting IPV6=yes Allow SSH on both stacks with

ufw allow 22

HTTP with

ufw allow 80

and enable with

ufw enable

Verify with

ufw status

—expect \"22/tcp (v6) ALLOW Anywhere (v6)\" Test IPv6 connectivity with

ping6 google.com

—expect replies if your VPS has an IPv6 address On Vultr this secures MySQL and phpMyAdmin across IPv4/IPv6 ensuring uptime—check logs with

grep \"v6\" /var/log/ufw.log

for IPv6 blocks