> ## Knowledge Base Index
> Fetch the complete knowledge base index at: https://help.keepsec.ca/sitemap.xml
> Use this file to discover available pages before exploring further.
> Pure-Markdown content can be obtained by appending a '.md' suffix to the content URLs listed in the sitemap (without the trailing slash).

# How to Manage the Firewall on My VPSmini?

Each VPSmini has all ports blocked, except for the following ports: 80, 443, 8080, 8443, 3000, and a randomly assigned port for the SSH service.

If your application is running normally on port 3000 and it is a backend that should not be exposed, simply change its port to 3400 or another one. This will ensure that your backend is no longer accessible from the outside.

|| We are currently working on adding a security tab to the control panel so you can easily open and close these ports. This feature should be available soon.