This guide is written for customers using our KVM VPS services and focuses on safe, practical actions.
How to Recover From a Bad Firewall Rule is usually easiest when you prepare the affected service details first and make changes in a deliberate, reversible way.
- Change firewall rules carefully and test from a second session where possible.
- Keep emergency console access available before making restrictive network changes.
- Document custom rules so they can be reviewed later.
- For operating system level changes, make one change at a time and keep console access available.
- Take your own backup before disruptive work whenever possible.
If you lose network access or make a change that prevents remote login, use console access first and include exact error messages if you need support assistance.
