Quality of Service

Table 14 Well-known protocol types

Number

Protocol Name

 

 

89

ospf

 

 

112

vrrp

 

 

TCP/UDP

TCP/UDP application source port, as shown in the table titled “Well-Known Application Ports”

TCP/UDP application destination port, as shown in the table titled “Well-Known Application Ports”

TCP/UDP flag value, as shown in the table titled “Well-Known TCP Flag Values”

Table 15 Well-known application ports

Number

TCP/UDP

Number

TCP/UDP

Number

TCP/UDP

 

Application

 

Application

 

Application

 

 

 

 

 

 

20

ftp-data

79

finger

179

irc

 

 

 

 

 

 

21

ftp

80

http

194

imap3

 

 

 

 

 

 

22

ssh

109

pop2

220

ldap

 

 

 

 

 

 

23

telnet

110

pop3

389

https

 

 

 

 

 

 

25

smtp

111

sunrpc

443

rip

 

 

 

 

 

 

37

time

119

nntp

520

rtsp

 

 

 

 

 

 

42

name

123

ntp

554

Radius

 

 

 

 

 

 

43

whois

143

imap

1645;1812

Radius

 

 

 

 

 

Accounting

 

 

 

 

 

 

53

domain

144

news

1813

hsrp

 

 

 

 

 

 

69

tftp

161

snmp

1985

 

 

 

 

 

 

 

70

gopher

162

snmptrap

 

 

 

 

 

 

Table 16 Well-krown TCP flag values

 

 

 

 

 

 

 

 

 

Flag

 

 

Value

 

 

 

 

 

 

 

 

URG

 

 

0x0020

 

 

 

 

 

 

 

 

ACK

 

 

0x0010

 

 

 

 

 

 

 

 

PSH

 

 

0x0008

 

 

 

 

 

 

 

 

RST

 

 

0x0004

 

 

 

 

 

 

 

 

SYN

 

 

0x0002

 

 

 

 

 

 

 

 

FIN

 

 

0x0001

 

 

 

 

 

 

 

 

88