aol
auth
bgp
courier
csnet_ns
ctf
daytime
discard
domain
domain_u
echo
eco_i
ecr_i
efs
exec
finger
ftp
ftp_data
gopher
harvest
hostnames
http
http_2784
http_443
http_8001
icmp
imap4
IRC
iso_tsap
klogin
kshell
ldap
link
login
mtp
name
netbios_dgm
netbios_ns
netbios_ssn
netstat
nnsp
nntp
ntp_u
other
pm_dump
pop_2
pop_3
printer
private
red_i
remote_job
rje
shell
smtp
sql_net
ssh
sunrpc
supdup
systat
telnet
tftp_u
time
tim_i
urh_i
urp_i
uucp
uucp_path
vmnet
whois
X11
Z39_50
