1
FTP
tcp/20, tcp21
2
SSH
tcp/22
3
Telnet
tcp/23
4
SMTP
tcp/25
5
DNS
udp/53, tcp/53
6
DHCP
udp/67 udp/68
7
HTTP
tcp/80
8
HTTPS
tcp/443
9
POP3
tcp/110
10
IMAP4
tcp/143
11
NetBIOS name service
udp/137
12
NetBIOS session service
tcp/139
13
SMB / CIFS
tcp/445
14
LDAP
tcp/389
15
RDP
tcp/3389