Nortel Networks 608(WL) - Manual (Page 97)

Chapter 3
Configuration via Local Pages
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Protocol Optionally, the access to an IPSec connection can be restricted to a specific
protocols by selecting a protocol from the list.
Select any if you do not want to restrict the connection to a specific protocol.
Port Optionally, if the tcp or udp protocol is selected for the protocol parameter, then the
access to the IPSec connection can be further restricted to a single port number.
Many well-known port numbers can be selected from the list.
Select any if you do not want to restrict the connection to a specific port.
If you want to restrict the protocols on your secure VPN link, and you need
multiple protocols, then you define a new connection for every individual
protocol. Separate IPSec tunnels will be established for each protocol.