Port Number -> Protocol Flashcards
1
Q
tcp/20, tcp21
A
File Transfer Protocol (FTP)
2
Q
tcp/22
A
Secure Shell (SSH)
3
Q
tcp/23
A
Telecommunication Network (TelNet)
4
Q
tcp/25
A
Simple Mail Transfer Protocol (SMTB)
5
Q
udp/53, tcp/53
A
Domain Name Server (DNS)
6
Q
udp/67, udp/68
A
Dynamic Host Configuration Protocol (DHCP)
7
Q
tcp/80
A
Hypertext Transfer Protocol (HTTP)
8
Q
tcp/443
A
Hypertext Transfer Protocol Secure (HTTPS)
9
Q
tcp/110
A
Post Office Protocol Version 3 (POP3)
10
Q
tcp/143
A
Internet Message Access Protocol Version 4 (IMAP4)
11
Q
udp/137
A
NetBIOS Name Service
12
Q
tcp/139
A
NetBIOS Session Service (NetBIOS)
13
Q
tcp/445
A
Server Message Block (SMB)
14
Q
udp/161
A
Simple Network Management Protocol Query (SNMP Query)
15
Q
udp/162
A
Simple Network Management Protocol Trap (SNMP Trap)
16
Q
tcp/389
A
Lightweight Directory Access Protocol (LDAP)
17
Q
tcp/3389
A
Remote Desktop Protocol (RDP)
