Proroute GEM420 4G M2M Router
GEM420 User Manual
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conferencing, Internet telephony, etc. Because of the firewall function, these
applications cannot work with a pure NAT router.
The Special Applications
feature
allows some of these applications to work with this product. If the mechanism of
Special Applications fails to make an application work, try setting your computer as
the DMZ host instead.
Press “Add” button to add new rule for Special AP.
This device provides some predefined settings. Select your application item, and all
related settings will be filled up automatically.
1.
Trigger Port:
The outbound port number issued by the application.
2.
Incoming Ports
: When the trigger packet is detected, the inbound packets sent
to the specified port numbers are allowed to pass through the firewall.
3.
Time Schedule
: Each special AP setting can be turned off according to the
schedule rule you specified. By default, it is always turned on when the rule is
enabled.
4.
Rule
: Check this item to enable the Special AP rule.
3.1.5.3 DMZ
DMZ (DeMilitarized Zone) Host is a host without the protection of firewall. It allows a
computer to be exposed to unrestricted 2-way communication for Internet games,
Video conferencing, Internet telephony and other special applications. Otherwise, if
