What are some tips for configuring a firewall?

What are some tips for configuring a firewall?

When configuring a firewall, start by defining your security policy and what you want to protect.

What should I include in my security policy?

Your security policy should include rules for allowed and denied traffic, user access levels, and logging requirements.

How can I test if my firewall is configured correctly?

You can use tools like Nmap to scan your network and check if the firewall is blocking unauthorized access.

Are there common mistakes to avoid during configuration?

Yes, common mistakes include overly permissive rules, neglecting to update firmware, and not regularly reviewing logs.