Common Port Numbers Flashcards
1
Q
FTP - File Transfer Protocol
A
Data: tcp/20, Control: tcp21
2
Q
SSH - Secure Shell
A
tcp/22
3
Q
Telnet - TelecommunicaCon Network
A
tcp/23
4
Q
SMTP - Simple Mail Transfer Protocol
A
tcp/25
5
Q
DNS - Domain Name System
A
udp/53, tcp/53
6
Q
HTTP - Hypertext Transfer Protocol
A
tcp/80
7
Q
HTTPS - Hypertext Transfer Protocol Secure
A
tcp/443
8
Q
POP3 - Post Office Protocol v3
A
tcp/110
9
Q
IMAP4 - Internet Message Access Protocol v4
A
tcp/143
10
Q
RDP - Remote Desktop Protocol
A
tcp/3389
11
Q
NetBIOS - name service
A
udp/137
12
Q
NetBIOS - datagram service
A
udp/138
13
Q
NetBIOS - session service
A
tcp/139
14
Q
SMB - Server Message Block
A
tcp/445
15
Q
AFP - Apple Filing Protocol
A
tcp/548