This hilarity is written by the same person/team that writes IPFire. This is a Linux firewall that supports a Maximum of 4 interfaces. Yup. 4. You want a 5th

This hilarity is written by the same person/team that writes IPFire. This is a Linux firewall that supports a Maximum of 4 interfaces. Yup. 4. You want a 5th Interface? Sorry. Doesn't support that. That alone should tell you everything you need to know here.