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4.9.4. Port Trigger
Port trigger module dynamically registers virtual server rules when any IP
host generates the packet from the specified trigger protocol and port. Port
trigger module uses forward protocol type and port number and use the IP
address of host that generates the trigger packet when it registers a rule.
Predefined Trigger Rules: Select one of the Predefined Rules.
Rule Name: Describe one predefined trigger that you will configure.
Trigger Protocol: You can select TCP or UDP.
Trigger Port: Enter range of ports to apply.
Forward Protocol: You can select TCP or UDP.
Forward Port: Enter range of ports to apply.
4.10. Application Gateway
VPN (Virtual Private Network) is commonly used to encapsulate and encrypt
data across the public network. For VPN tunnel, the router supports IPSEC
pass-through, PPTP pass-through and L2TP pass-through.
PPTP Pass-through: PPTP means the “Point to Point Tunneling Protocol”,
you can select “enable” to allow PPTP pass-through.
L2TP Pass-through: L2TP means the “Layer 2 Tunneling Protocol”, you
can select “enable” to allow L2TP pass-through.
IPSEC Pass-through:
IPSEC
(Internet
Protocol
Security) is a suite of protocols
used to implement secure
exchange; you can select
“enable” to allow IPSEC
pass-through.
