Well Known Ports Flashcards
1
Q
File Transfer Protocol (FTP)—Data connection
A
TCP/20
2
Q
File Transfer Protocol (FTP)—Control connection
A
TCP/21
3
Q
Secure Shell (SSH)
A
TCP/22
4
Q
Telnet
A
TCP/23
5
Q
Simple Mail Transfer Protocol (SMTP)
A
TCP/25
6
Q
HyperText Transfer Protocol (HTTP)
A
TCP/80
7
Q
Post Office Protocol (POP)
A
TCP/110
8
Q
NetBIOS over TCP/IP
A
TCP/UDP/137-139
9
Q
Internet Mail Access Protocol (IMAP)
A
TCP/143
10
Q
Lightweight Directory Access Protocol (LDAP)
A
TCP/389
11
Q
HTTP Secure (HTTPS)
A
TCP/443
12
Q
Server Message Block (SMB) / Windows File and print sharing
A
TCP/445
13
Q
Remote Desktop Protocol (RDP)
A
TCP/3389
14
Q
21
A
File Transfer Protocol (FTP)—Control connection - TCP
15
Q
22
A
Secure Shell (SSH) - TCP
16
Q
23
A
Telnet - TCP