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Chapter 18 Classifier
GS-3012/GS-3012F User’s Guide
145
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 293 for information on commonly used port numbers.
18.4 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.
XNS Compat 0807
Banyan Systems 0BAD
BBN Simnet 5208
IBM SNA 80D5
AppleTalk AARP 80F3
Table 45 Common IP Protocol Types and Protocol Numbers
PROTOCOL TYPE PROTOCOL NUMBER
ICMP 1
TCP 6
UDP 17
EGP 8
L2TP 115
Table 46 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 44 Common Ethernet Types and Protocol Numbers
ETHERNET TYPE PROTOCOL NUMBER