ZyXEL Communications GS1920v2 Series - Add;Edit a Classifier

Chapter 58 Classifier
GS1920v2 Series User’s Guide
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Some of the most common TCP and UDP port numbers are:
58.3.1 Add/Edit a Classifier
Use this screen to define the classifiers. After you define the classifier, you can specify actions (or policy)
to act upon the traffic that matches the rules.
Click Add/Edit, or select an entry and click Add/Edit in the SECURITY > ACL > Classifier Setup screen to
display this screen.
EGP 8
L2TP 115
Table 207 Common TCP and UDP Port Numbers
PROTOCOL NAME TCP/UDP PORT NUMBER
FTP 21
Telnet 23
SMTP 25
DNS 53
HTTP 80
POP3 110
Table 206 Common IP Protocol Types and Protocol Numbers
PROTOCOL TYPE PROTOCOL NUMBER