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B-2 PortMaster Configuration Guide
kerberos 88 TCP Kerberos authentication
kerberos 88 UDP Kerberos authentication
pop3 110 TCP Post Office Protocol (POP) version 3
sunrpc 111 TCP SUN Remote Procedure Call (RPC)
sunrpc 111 UDP SUN RPC
auth 113 TCP Authentication service
auth 113 UDP Authentication service
nntp 119 TCP Network News Transfer Protocol (NNTP)
ntp 123 TCP Network Time Protocol (NTP)
ntp 123 UDP NTP
snmp 161 TCP Simple Network Management Protocol
(SNMP)
snmp 161 UDP SNMP
snmptrap 162 TCP SNMP system management messages
snmptrap 162 UDP SNMP system management messages
imap3 220 TCP Interactive Mail Access Protocol (IMAP)
version 3
imap3 220 UDP IMAP version 3
exec 512 TCP Remote process execution
login 513 TCP Remote login
who 513 UDP Remote who daemon (rwhod)
cmd 514 TCP Remote command (rsh)
syslog 514 UDP System log facility
printer 515 TCP Line printer daemon (LPD) spooler
talk 517 TCP Terminal-to-terminal chat
talk 517 UDP Terminal-to-terminal chat
Table B-1
TCP and UDP Port Services
(Continued)
Service Port Protocol Description