Specifications
Names and values that can be specified
313
Port name Applicable port name and number
echo Echo (7)
exec Remote process execution (512)
finger Finger (79)
ftp File Transfer Protocol (21)
ftp-data FTP data connections (20)
gopher Gopher (70)
hostname NIC Host Name Server (101)
http HyperText Transfer Protocol (80)
https HTTP over TLS/SSL (443)
ident Ident Protocol (113)
imap3 Interactive Mail Access Protocol version 3 (220)
irc Internet Relay Chat (194)
klogin Kerberos login (543)
kshell Kerberos shell (544)
ldap Lightweight Directory Access Protocol (389)
login Remote login (513)
lpd Printer service (515)
nntp Network News Transfer Protocol (119)
pop2 Post Office Protocol v2 (109)
pop3 Post Office Protocol v3 (110)
pop3s POP3 over TLS/SSL (995)
raw Printer PDL Data Stream (9100)
shell Remote commands (514)
smtp Simple Mail Transfer Protocol (25)
smtps SMTP over TLS/SSL (465)
ssh Secure Shell Remote Login Protocol (22)
sunrpc Sun Remote Procedure Call (111)
tacacs+ Terminal Access Controller Access Control System Plus (49)