ZyXEL Communications ZyWALL 2 Plus - Manual (Page 409)

ZyWALL 2 Plus User’s Guide
409
C
H A P T E R
23
Custom Application
This chapter covers how to set the ZyWALL’s to monitor custom port numbers for specific
applications.
23.1 Custom Applicaton
Use custom application to have the ZyWALL’s ALG and content filtering features monitor
traffic on custom ports, in addition to the default ports.
By default, these ZyWALL features monitor traffic for the following protocols on these port
numbers.
• FTP: 21
• SIP: 5060
• H.323: 1720
• SMTP: 25
• POP3: 110
• HTTP: 80
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Changes in the Custom APP screen do not apply to the firewall.
23.2 Custom Applicaton Configuration
Click ADVANCED > Custom APP to open the Custom Application screen.
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This screen only specifies what port numbers the ZyWALL checks for specific
protocol traffic. Use other screens to enable or disable the monitoring of the
protocol traffic.