Actually, you have it backwards. AH = port 51. ESP = port 50.

Christopher A. Kane, CCNP
Senior Network Control Tech
Router Ops Center/Hilliard NOC
UUNET
(614)723-7877



-----Original Message-----
From: Rizzo Damian [mailto:[EMAIL PROTECTED]]
Sent: Friday, March 30, 2001 12:19 PM
To: 'Ruihai An'; [EMAIL PROTECTED]
Subject: RE: IPsec port


AH-port 50, ESP-port 51 and ISAKMP-port 500



-----Original Message-----
From: Ruihai An [mailto:[EMAIL PROTECTED]]
Sent: Friday, March 30, 2001 12:05 PM
To: [EMAIL PROTECTED]
Subject: IPsec port


I configured my PIX as the IPsec VPN terminator to support DES VPN client.
I have an inbound access-list  on my perimeter router.  Does any one know
the ports I need to open for IPsec VPN traffic on my perimeter router ?

Ruihai


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