How to review firewall rules on your business router

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FirewallsMedium priority

About 20 minutes to complete

Check that only necessary ports are open on your business network router. Close any ports that are not required.

Step-by-step guide

Log in to your business router admin panel
Review the port forwarding and firewall rules
Remove any rules that are no longer needed
Block inbound connections on all ports except those explicitly required
Document the changes and the reason for each open port

5 steps

Why this matters

Open ports are entry points for attackers. Reducing the number of open ports shrinks your attack surface significantly.

How to confirm it worked

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