4 classifier example – ZyXEL Communications GS-3012F/3012 User Manual
Page 145
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
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