I am an experienced computer and network tech, but this has me stumped. Comcast SMC Modem/Router will not open ports. Have a Security Camera DVR plugged directly into the modem/router. Opened ports 80 8800 3000 3001 3003 3007 on the firewall page. Port 80 works great and is open. None of the other ports will open though. Completely stumped. is there something I a missing?
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