Firewalls are essential for network security, protecting your data from unauthorized access. Below are some resources to help you understand and implement firewalls effectively.

Types of Firewalls

  • Packet Filtering Firewalls: Inspect individual packets based on predefined rules.
  • Stateful Inspection Firewalls: Keep track of the state of network connections.
  • Application-Level Gateways (Proxy Firewalls): Act as an intermediary for network traffic.

Best Practices for Firewall Configuration

  • Define a Security Policy: Clearly outline what traffic is allowed and what is blocked.
  • Regularly Update Firewall Software: Keep your firewall software up-to-date for the latest security patches.
  • Monitor Firewall Logs: Regularly check logs for any suspicious activity.

Useful Links

Firewall Image