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 Chapter 18 Classifier
ES-3148 User’s Guide
153
In the Internet Protocol, there is a field called “Protocol” to identify the IP protocol type. 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 IP ports are: 
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. 
Chaosnet 0804
X.25 Level 3 
0805
XNS Compat 
0807
Banyan Systems 
0BAD
BBN Simnet 
5208
IBM SNA 
80D5
AppleTalk AARP 
80F3
Table 47   Common IP Protocol Types and Protocol Numbers
PROTOCOL TYPE
PROTOCOL NUMBER
ICMP
1
TCP
6
UDP
17
EGP
8
L2TP
115
Table 48   Common TCP and UDP Port Numbers
PORT NUMBER
PORT NAME
21
FTP
23
Telnet
25
SMTP
53
DNS
80
HTTP
110
POP3
Table 46   Common Ethernet Types and Protocol Number (continued)
ETHERNET TYPE
PROTOCOL NUMBER