Vonage Comcast blocking ports? Does anyone happen to have a list of ports which Comcast blocks? Comcast Business and Comcast Residential both swear up & down that they don't block ports, but I can positively confirm they block port# 445.

Mar 07, 2003 Unusual access | DSLReports, ISP Information Forum discussion: I have a couple of systems on my local net that I access remotely. They have been accessible for years and, suddenly, I can't get to them. Is Comcast now blocking 80/443 now? I SMB port 445 blocked? Port forwarding - Comcast Business

Over the past few years, Comcast has managed port 25 by selectively blocking its use in response to spam complaints. This made sense when spam was often sent by an end-user clicking a "send" button. But in this age of bot networks, malware is now responsible for sending the most spam and users are unaware that spam is being sent by their computer.

Find out which ports are blocked by Comcast and why. Blocked Internet Ports List. Find out which ports are blocked by Comcast and why. For the protection of the network and our customers Comcast blocks certain ports. Learn which ports are blocked today. Learn how to block ports through your Comcast Network. Block Internet Ports from Your Router. Learn how to block ports through your Comcast Network.

Verizon FiOS Business (static IP) - no ports blocked outbound, no ports blocked inbound Comcast - 135-139, 445, 1723 are all blocked outbound. As an interesting comparison, here are the TCP ports that Verizon Wireless blocks in the outbound direction: 135, 139, 445, 1023, 1723, 2967, 4444, 5554, 9898

Sep 01, 2015 Comcast SMTP configuration - smtp mail server If you use have an account at Comcast and you want to configure your mail client (Microsoft Outlook, Mozilla Thunderbird etc.) to send emails, you simply need to enter Comcast’s SMTP settings in its server configuration field: Here are Comcast’s SMTP settings: Comcast SMTP server name: smtp.comcast.net Comcast SMTP username: your Comcast email address Comcast […] Xfinity is blocking ports. Trying to setup minecraft Xfinity is blocking ports. Trying to setup minecraft server. I'm trying to set up a minecraft server. I port forwarded. Xfinity is telling me that I am getting people trying to connect to my device and that it automatically blocked it. Anyone know how I can force it not to block my friends connecting? 7 …