Articles

Common firewall rule examples & use cases

The LifeinCloud firewall allows you to build custom security policies for your VPS. Here are...
How to check which ports are open in the firewall and where they're filtered?

On a LifeinCloud VPS, traffic can be filtered at two layers: the cloud firewall (in front of...
How to enable and configure firewall rules

This guide shows you how to turn on the LifeinCloud firewall for a VPS, add allow/deny rules,...
Introduction to VPS firewall

The LifeinCloud firewall adds an extra layer of protection to your VPS by controlling which...
Permission denied (publickey)" after enabling UFW (Multi-distro)

If you enabled UFW and can no longer SSH into your VPS, open SSH on the firewall and verify...
Troubleshooting common VPS firewall issues

If enabling the LifeinCloud firewall causes connectivity problems, don’t worry. This guide...