Zyxel ZyWALL USG 20 [158/185] Zywall usg support notes

Zyxel ZyWALL USG 50 [158/185] Zywall usg support notes
ZyWALL USG Support Notes
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settings in the Application Patrol configuration page?
If the user selects Auto, the ZyWALL inspects packet by OSL layer 7(signature
pattern). By selecting Service Ports, the ZyWALL inspects the incoming packet
based on layer 4. By default, Auto will be selected once an AppPatrol rule is
enabled. Please refer to the following information in advance to use Service Ports
option:
(1) Defines the port used in ZyWALL USG. For easy configuration purpose, the
ZyWLL has been pre-configured for the frequent use service port. For example:
eDonkey service is pre-defined to take action on port 4661 ~ 4665 as shown below.
(2) It could be used when user want to apply bandwidth control for certain allowed or
rejected application (which is in Application Patrol support list).
(3) Since the Service Port performs up to OSI layer 4 inspections, so the system
performance would be better than the Auto inspection (layer 7). Therefore, if the
user concerns about system performance or users network environment is simple, the

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