Administrator's Guide

Appendix C. Lists of Reserved Ports, ICMP Types and Codes, and Internet Protocols
Name Port/protocol Description
bootps 67/udp bootp server
bootpc 68/tcp bootp client
bootpc 68/udp bootp client
tftp 69/tcp Trivial File Transfer
tftp 69/udp Trivial File Transfer
gopher 70/tcp gopher server
finger 79/tcp Finger
www-http 80/tcp WWW
www-http 80/udp WWW
kerberos 88/tcp Kerberos
kerberos 88/udp Kerberos
pop2 109/tcp PostOffice V.2
pop3 110/tcp PostOffice V.3
sunrpc 111/tcp RPC 4.0 portmapper
sunrpc 111/udp RPC 4.0 portmapper
auth/ident 113/tcp Authentication Service
auth 113/udp Authentication Service
audionews 114/tcp Audio News Multicast
audionews 114/udp Audio News Multicast
nntp 119/tcp Usenet Network News Transfer
nntp 119/udp Usenet Network News Transfer
ntp 123/tcp Network Time Protocol
ntp 123/udp Network Time Protocol
netbios-ns 137/tcp NETBIOS Name Service
netbios-ns 137/udp NETBIOS Name Service
netbios-dgm 138/tcp NETBIOS Datagram Service
netbios-dgm 138/udp NETBIOS Datagram Service
netbios-ssn 139/tcp NETBIOS Session Service
netbios-ssn 139/udp NETBIOS Session Service
imap 143/tcp Internet Message Access Protocol
imap 143/udp Internet Message Access Protocol
sql-net 150/tcp SQL-NET
sql-net 150/udp SQL-NET
sqlsrv 156/tcp SQL Service
sqlsrv 156/udp SQL Service
snmp 161/tcp
snmp 161/udp
snmp-trap 162/tcp
snmp-trap 162/udp
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