Comcast


Postfix 2.9 Upgrade 4
I run a number of “real” Postfix servers that live “away from home,” in a cozy server cabinet at our colo facility, but I also like to keep a Postfix server handy in the basement, running on an ancient (but rock solid) Dell PowerEdge 2450 running CentOS 5. I don’t […]

HowTo: Get Around Comcast Port 25 Block with a Postfix ...


Remote Cable Modem and Router Power Cycle 2
We’ve all been there. You try to load a web page, or check your email, or download a file, and nothing happens. “The Internet’s down!” is the cry at my house when we lose connection. It’s also the #1 reason why people call their Internet service providers’ tech support numbers, […]

How To Automatically Power Cycle Your Modem and Router on ...


Arris TM822G Cable and Telephony Modem 79
To lease, or not to lease. That’s the question for anyone who gets their high speed Internet through Comcast Xfinity. Literally millions of Comcast customers (over 18MM, to be exact) are paying an extra $7 per month to rent a modem from the cable company, and if you’re unsure whether […]

Review: Arris TM822G DOCSIS 3.0 8×4 Ultra-High Speed Telephony Cable ...