ZyXEL Communications NBG410W3G - Manual (Page 291)

NBG410W3G Series User’s Guide
291
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H A P T E R
17
Custom Application
This chapter covers how to set the ZyXEL Device’s to monitor custom port numbers for
specific applications.
17.1 Custom Application
Use custom application to have the ZyXEL Device’s ALG feature monitor traffic on custom
ports, in addition to the default ports.
By default, these ZyXEL Device 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.
17.2 Custom Application Configuration
Click ADVANCED > Custom APP to open the Custom Application screen.
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This screen only specifies what port numbers the ZyXEL Device checks for
specific protocol traffic. Use other screens to enable or disable the monitoring
of the protocol traffic.