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Chapter 20 Classifier
GS1920 Series User’s Guide
157
Some of the most common TCP and UDP port numbers are:
See Appendix B on page 359 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 117
Classifier: Example
Table 67
Common TCP and UDP Port Numbers
PROTOCOL NAME
TCP/UDP PORT NUMBER
FTP
21
SMTP
25
DNS
53
HTTP
80
POP3
110