User's Manual

X5671 User’s Guide
26
4 Enter the Start External Port # and End External Port # that open to remote to
access the service
4 Select the Protocol from the list
4 Enter the Start Internal Port # and End Internal Port # that may use different port
# to secure the service. If you use the same port # as external port #, please
leave Internal Port # as blank.
4 Click Save/Apply
Port Triggering
The feature is similar to the virtual server, but provides a more secure way to provide
your device. It opens up the port hole temporary and allows CPE in LAN to establish a
connection with remote parties. Those ports are open only if a specified request from
a PC in LAN is received, and then the device allows the remote parties to access to
establish a connection with that PC in LAN.
Figure 28: Port Triggering Setup
Click Add to add a rule of port triggering.
Global Setting
4 Select a service from the predefined list or enter the name of Custom Server
4 Enter the Start Trigger Port # and End Trigger Port # that open to remote to
access the service
4 Select the Trigger Protocol
4 Enter the Start Open Port # and End Open Port # that may use different port # to
secure the service. If you use the same port # as Trigger port #, please leave
Open Port # as blank.
4 Select the Open Protocol
4 Click Save/Apply