Appendix C. Lists of Reserved Ports, ICMP Types and Codes, and Internet Protocols

Name

Port/protocol

Description

cmip-man

163/tcp

CMIP/TCP Manager

cmip-man

163/udp

CMIP

cmip-agent

164/tcp

CMIP/TCP Agent

cmip-agent

164/udp

CMIP

irc

194/tcp

Internet Relay Chat

irc

194/udp

Internet Relay Chat

at-rtmp

201/tcp

AppleTalk Routing Maintenance

at-rtmp

201/udp

AppleTalk Routing Maintenance

at-nbp

202/tcp

AppleTalk Name Binding

at-nbp

202/udp

AppleTalk Name Binding

at-3

203/tcp

AppleTalk

at-3

203/udp

AppleTalk

at-echo

204/tcp

AppleTalk Echo

at-echo

204/udp

AppleTalk Echo

at-5

205/tcp

AppleTalk

at-5

205/udp

AppleTalk

at-zis

206/tcp

AppleTalk Zone Information

at-zis

206/udp

AppleTalk Zone Information

at-7

207/tcp

AppleTalk

at-7

207/udp

AppleTalk

at-8

208/tcp

AppleTalk

at-8

208/udp

AppleTalk

ipx

213/tcp

 

ipx

213/udp

 

imap3

220/tcp

Interactive Mail Access Protocol v3

imap3

220/udp

Interactive Mail Access Protocol v3

aurp

387/tcp

AppleTalk Update-Based Routing

aurp

387/udp

AppleTalk Update-Based Routing

netware-ip

396/tcp

Novell Netware over IP

netware-ip

396/udp

Novell Netware over IP

rmt

411/tcp

Remote mt

rmt

411/udp

Remote mt

microsoft-ds

445/tcp

 

microsoft-ds

445/udp

 

isakmp

500/udp

ISAKMP/IKE

fcp

510/tcp

First Class Server

exec

512/tcp

BSD rexecd(8)

comsat/biff

512/udp

used by mail system to notify users

login

513/tcp

BSD rlogind(8)

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