Practical OPNsense: Building Enterprise Firewalls with Open Source

Simple packet filters are becoming a thing of the past. Even the open-source domain is moving towards Next-Generation Firewalls. OPNsense is a top player when it comes to intrusion detection, application control, web filtering, and Antivirus.

No network is too insignificant to be spared by an attacker. Even home networks, washing machines, and smartwatches are under threat and require a secure environment.

Firewalls are a component of the security concept. They protect against known and emerg...