21 - FTP

22 - SSH

25 - SMTP

53 - DNS

67 - DHCP

69 - tftp

79 - Finger

88 - Kerberos

111 - RPC

113 - ident

135 - msrpc

137 - netbios

139/445 - SMB

161 - SNMP

177 - XDMCP

80/443 - Remote Desktop Web Access (RDWA)

389 - LDAP

443 - HTTPS

500 - IKE

512-514 - rservices