I recently started working from a home office doing web development and software engineering. I was unable to access my computer on port 80, so after much trial and error, removing my router, and plugging my computer directly into the modem, and using a packet sniffer to see what packets were coming through, I found that no packets were making it to my network if they were inbound on port 80. So I called Customer Service. They said the modem wasn't blocking any ports. In fact, five or more Customer Service agents including a manager... read full review »