User`s guide

Chapter 21 Classifier
XS1920 Series User’s Guide
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In the Internet Protocol there is a field, called “Protocol”, to identify the next level protocol. The
following table shows some common protocol types and the corresponding protocol number. Refer
to http://www.iana.org/assignments/protocol-numbers for a complete list.
Some of the most common TCP and UDP port numbers are:
See Appendix B on page 379 for information on commonly used port numbers.
21.3.2 Classifier Global Setting
Click Classifier Global Setting in the Classifier Configuration screen to display the
configuration screen as shown.
Figure 119 Advanced Application > Classifier Configuration > Classifier Global Setting
The following table describes the labels in this screen.
Table 74 Common IP Protocol Types and Protocol Numbers
PROTOCOL TYPE PROTOCOL NUMBER
ICMP 1
TCP 6
UDP 17
EGP 8
L2TP 115
Table 75 Common TCP and UDP Port Numbers
PROTOCOL NAME TCP/UDP PORT NUMBER
FTP 21
SMTP 25
DNS 53
HTTP 80
POP3 110
Table 76 Advanced Application > Classifier Configuration > Classifier Global Setting
LABEL DESCRIPTION
Match
Order
Select manual to have classifier rules applied according to the weight of each rule you
configured in Advanced Application > Classifier Configuration. Alternatively, select auto to
have classifier rules applied according to the layer of the item configured in the rule. Layer-4
items have the highest priority.
Logging
Active Select this to create a log when packets match a classifier rule during a defined time interval.