Firewall Module

UFW Firewall Automation

Manage Linux firewall rules through the same key-only wrapper model. Preview mode shows the exact UFW plan first, and Execute mode stops immediately on any failure without risking SSH access.

Select Device Choose a saved device to autofill the target host and SSH username.

Server IP IPv4 or IPv6 only.

SSH Username SSH key authentication only. No passwords are accepted.

Action Enable Firewall and Secure Server always preserve SSH access first. Secure Server also enforces HTTP/HTTPS plus deny-incoming defaults.

Port Required only for Open Port and Close Port.

Mode

Preview Validate reachability, SSH auth, operating system, and UFW availability before showing the planned commands.

Execute Apply only the approved UFW rule sequence. Execution aborts immediately if any step fails.

Back to Security Tools Manage Devices

Connecting...

Connecting... Validating... Applying Rules... Done

Execution Output

Submit the form to see the structured firewall response here.

This module uses UFW on Linux servers only. It always plans SSH allow rules before enabling the firewall to avoid lockout.