data
fax
file
finger
ftp
gopher
h320
h323
h324
http
https
irc
lrq
mailto
modem
news
nntp
phone
pop
pop3
prospero
rlogin
rwhois
sdp
service
sip
sips
sipt
sipu
smtp
t120
telnet
tn3270
tv
videotex
wais
webster
whois
whois++
