It sounds like Comodo is allowing it as a trusted source, instead of Internet segregation only. To be honest, I've found Comodo leaked a lot in the past. I use ZA for a SW FW.
Have you set the router to DHCP? I use a 10.x.x.xx for my router, and not the standard, out of the box setting. -- "I fear the day that technology will surpass our human interaction. The world will have a generation of idiots." ~ Albert Einstein