The latest generation of Raspberry Pi is powerful enough to serve as a decent home router. What leads to my decision to use it, and what’s my experience? - Raspberry Pi as a home router

using OpenWRT

PI4 Firewall

• Raspberry Pi as a Router Using a Single Network Interface / HN
  • VLANs are not a security boundary
  • Banana Pi R1 is a router based Banana Pi running on the same SoC as the M1 Classic Pi
• How to use Raspberry Pi as a Wireless Router with Firewall?
• Using the UFW Firewall on the Raspberry Pi - uncomplicated firewall
• Raspberry Pi Firewall and Intrusion Detection System

see also

• A proposal to restrict sites from accessing a users’ local network - random website probing arbitrary local IPs with HTTP requests