286 Cisco LAN Switching Configuration Handbook
Table B-3 Commonly Used Protocols and Associated Port Numbers
Keyword Description UDP/TCP
Port
time Time 37
name Host Name Server 42
nameserver Host Name Server 42
nicname Who Is 43
tacacs Login Host Protocol (TACACS) 49
re-mail-ck Remote Mail Checking Protocol 50
domain Domain Name Server 53
Any private terminal address Any private terminal address 57
Any private file service Any private file service 59
whois++ whois++ 63
tacacs-ds TACACS-Database Service 65
sql*net Oracle SQL*NET 66
bootps Bootstrap Protocol Server 67
bootpc Bootstrap Protocol Client 68
tftp Trivial File Transfer 69
gopher Gopher 70
Any private dial out service Any private dial out service 75
Any private RJE service Any private RJE service 77
finger Finger 79
http World Wide Web HTTP 80
www World Wide Web HTTP 80
www-http World Wide Web HTTP 80
hosts2-ns HOSTS2 Name Server 81
xfer XFER Utility 82
Any private terminal link Any private terminal link 87
kerberos Kerberos 88
dnsix DNSIX Securit Attribute Token Map 90
npp Network Printing Protocol 92
dcp Device Control Protocol 93
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