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Chapter 20 Classifier
GS2210 Series User’s Guide
160
Some of the most common TCP and UDP port numbers are:
See Appendix B on page 365 for information on commonly used port numbers.
20.3 Classifier Example
The following screen 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.
Figure 115 Classifier: Example
Table 67 Common TCP and UDP Port Numbers
PROTOCOL NAME TCP/UDP PORT NUMBER
FTP 21
Telnet 23
SMTP 25
DNS 53
HTTP 80
POP3 110