Common Ports Flashcards
1
Q
Port 20/21
A
File Transfer Protocol (FTP)
2
Q
Port 22
A
Secure Shell (SSH)
3
Q
Port 23
A
Telnet
4
Q
Port 25
A
Simple Mail Transfer Protocol (SMTP)
5
Q
Port 53
A
Domain name System (DNS)
6
Q
Port 67/68
A
Dynamic Host Configuration Protocol (DHCP)
7
Q
Port 80
A
Hypertext Transfer Protocol (HTTP)
8
Q
Port 110
A
Post Office Protocol 3 (POP3)
9
Q
Port 137/139
A
Network Basic Input/Output System (NetBIOS)/ NetBIOS over TCP/IP (NetBT)
10
Q
Port 143
A
Internet Mail Access Protocol (IMAP)
11
Q
Port 161/162
A
Simple Network Management Protocol (SNMP)
12
Q
Port 389
A
Lightweight Directory Access Protocol (LDAP)
13
Q
Port 443
A
Hypertext Transfer Protocol Secured (HTTPS)
14
Q
Port 445
A
Server Message Block (SMB)/ Common Internet File System (CIFS)
15
Q
Port 3389
A
Remote Desktop Protocol (RDP)
