C. Router CLI Commands, Codes, and Designations

UDP Port Designations

Use the User Datagram Protocol (UDP) port designations in Table C-17, UDP Port Designations, when specifying a specific UCP port to be filtered.

Table C-17. UDP Port Designations

UDP Port #

UDP Port Name

Description

 

 

 

7

echo

Echo

 

 

 

9

discard

Discard

 

 

 

37

time

Time

 

 

 

42

nameserver

IEN116 name service (obsolete)

 

 

 

49

tacacs

TAC Access Control System

 

 

 

53

domain

Domain Name Service (DNS)

 

 

 

67

bootpc

Bootstrap Protocol (BOOTP) client

 

 

 

68

bootps

Bootstrap Protocol (BOOTP) server

 

 

 

69

tftp

Trivial File Transfer Protocol

 

 

 

111

sunrpc

Sun Remote Procedure Call

 

 

 

123

ntp

Network Time Protocol

 

 

 

137

netbios-ns

NetBios name service

 

 

 

138

netbios-dgm

NetBios datagram service

 

 

 

161

snmp

Simple Network Management Protocol

 

 

 

162

snmptrap

SNMP Traps

 

 

 

177

xdmcp

X Display Manager Control Protocol

 

 

 

195

dnsix

DNSIX security protocol auditing

 

 

 

434

mobile-ip

Mobile IP registration

 

 

 

512

biff

Biff (mail notification, comsat)

 

 

 

513

who

Who service (rwho)

 

 

 

514

syslog

System Logger

 

 

 

517

talk

Talk

 

 

 

520

rip

Routing Information Protocol

 

 

 

C-34

September 2002

9128-A2-GB20-80

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Paradyne CSU, DSU, 9126-II, 9128-II manual UDP Port Designations