ZyXEL Communications GS-3012F Series - Manual (Page 137)

Chapter 18 Classifier
GS-3012/GS-3012F User’s Guide
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Some of the most common IP ports are:
18.4 Classifier Example
The following figure shows an example where you configure a classifier that identifies all
traffic from MAC address 00:50:ba:ad:4f:81 on port 2.
After you have configured a classifier, you can configure a policy (in the Policy screen) to
define action(s) on the classified traffic flow.
Table 46 Common IP Ports
PORT NUMBER PORT NAME
21 FTP
23 Telnet
25 SMTP
53 DNS
80 HTTP
110 POP3