RE: comcast blocking ipsec traffic?

["DeGennaro, Gregory" <Gregory_DeGennaro () csaa com>]

Have them reset your modem hardware.  We experience this problem and I had
the tech support team tell Comcast to hard reset the modem through the
central office or neighborhood concentrator.

In the past, PPOE also interfered with IPsec.

Regards,

Greg DeGennaro Jr., CCNP
Security Analyst
Former Broadband Tech


-----Original Message-----
From: Christian Stratton [mailto:c.stratton () f5 com] 
Sent: Tuesday, August 12, 2003 3:44 PM
To: abe vigoda; security-basics () securityfocus com
Subject: RE: comcast blocking ipsec traffic? 

I did notice that. My question is what did you do to your configuration to
make it work. I have had the problem all day with netscreen and have not
come up with a solution. 



 -----Original Message-----
From:   abe vigoda [mailto:ells_on_zone () yahoo com] 
Sent:   Tuesday, August 12, 2003 2:13 PM
To:     security-basics () securityfocus com
Subject:        comcast blocking ipsec traffic? 

Has any else noticed that Comcast seems to have
started to block ipsec traffic this morning around
10AM EDT? A number of our home VPN users experienced
complete loss of connectivity around this time. I just
wanted to see if anyone else noticed the same behavior
today... We just changed our configuration to work
around the problem. 

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