1
Q
FTP
A
File Transfer Protocol
Port 20 & 21
2
Q
SSH
A
Secure Shell
Port 22
3
Q
Telnet
A
Port 23
4
Q
SMTP
A
Simple Mail Transfer Protocol
Port 25
5
Q
DNS
A
53
6
Q
HTTP
A
80
7
Q
DHCP
A
Port 67 & 68
8
Q
POP3
A
110
9
Q
SMB/CIFS
A
Server Message Block/ Common Internet File System
Ports: 137-139 & 445
10
Q
IMAP4
A
Internet Message Access Protocol
Port 143
11
Q
SNMP
A
Simple Network Management Protocol
Port: 161
12
Q
LDAP
A
Lightweight Directory Access Protocol
Port: 389
13
Q
AFP
A
Apple Filing Protocol
Port 427 & 548
14
Q
HTTPS
A
Port 443
15
Q
RDP
A
Remote Desktop Protocol
Port: 3389
16
Q
ARP (no port)
A
Address Resolution Protocol
Resolves IP addresses to hardware addresses
