ZyXEL Communications P-660RU-Tx 用户手册

下载
页码 238
Chapter 15 Filters
P-660RU-Tx User’s Guide
122
15.3  The Application Filter Screen
Use this screen to allow or deny traffic for certain types of applications. The 
application filter provides a convenient way to manage the use of various 
applications on the network.
Click Access Management > Filter and select Application Filter in the Filter 
Type Selection
 field. The screen appears as shown.
Figure 48   Access Management > Filter (Application)
The following table describes the labels in this screen. 
Protocol
This is the upper layer protocol.
Unmatched
When a packet doesn’t match the rule, this is the action the P-
660RU-Tx takes on the packet.
SAVE
Click this to save your changes.
DELETE
Click this to remove the filter rule.
CANCEL
Click this to restore your previously saved settings.
Table 34   Access Management > Filter (IP/MAC) (continued)
LABEL
DESCRIPTION
Table 35   Access Management > Filter (Application)
LABEL
DESCRIPTION
Application Filter Editing
Application Filter
Use this field to enable or disable the application filter.
ICQ
Use this field to allow or deny ICQ traffic.
MSN
Use this field to allow or deny MSN traffic.
YMSG
Use this field to allow or deny Yahoo Messenger traffic.
Real Audio/Video
Use this field to allow or deny transferring RealPlayer format 
files.