North American Network Operators Group
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Re: Charter blocking Port 25

  • From: W. Mark Herrick, Jr.
  • Date: Wed Jun 09 21:53:21 2004 
Cox does, and Adelphia is moving that way.

Good job, Charter.

At 07:03 PM 6/9/2004, Arman wrote:
Hello,

I would like to hear from Charter Communication's network/security team why they have filtered outbound port 25 without any notice as of yesterday.

Does anybody else know of other cable/DSL providers that simply block outbound port 25?

thanks
arman
W. Mark Herrick, Jr.
Director - Data and Network Security
Adelphia Communications
5619 DTC Parkway
Greenwood Village, CO 80111
(O) 303-268-6440
(C) 720-252-5929
(F) 303-268-6382