IPSEC doesn't used TCP ports 50 or 51. It uses "protocol 50" and "protocol 51". (TCP itself is protocol 6).
You might want to read up on your ports and protocols at www.iana.org.
I doubt that you'll be able to get this to work because NAT is completely impossible if you want full IPSEC.
-Andy
-----Original Message-----
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]
Sent: Friday, June 15, 2001 10:23 AM
To: [EMAIL PROTECTED]
Subject: VPN ports
Hi all,
One of my users have a DSL at home and he has a Linksys BEFW1154 cable/DSL
modem. We are having trouble connecting to the office via VPN using the
Cisco VPN client. At the office we have a Cisco VPN concentrator and it is
configured for IPSEC. We have tried opening ports 50, 51, 1701 and 10000.
BTW, he is also doing NAT. I didn't think there is any other ports that
need to be open. Any ideas?
Thanks.
Diana
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