Common Ports Flashcards
1
Q
Telnet - Telecommunication Network
A
tcp/23
2
Q
SSH - Secure Shell
A
tcp/22
3
Q
DNS - Domain Name System
A
udp/53
4
Q
SMTP - Simple Mail Transfer Protocol
A
tcp/25
5
Q
SFTP - Secure File Transfer Protocol
A
tcp/22
6
Q
FTP - File transfer protocol
A
tcp/20 (Active mode data)
tcp/21 (Control)
7
Q
TFTP - trivial file transfer protocol
A
udp/69
8
Q
DHCP - dynamic host configuration protocol
A
udp /67
udp /68
9
Q
HTTP - Hypertext transfer protocol
A
tcp /80
10
Q
HTTPS - hypertext transfer protocol secure
A
tcp /443
11
Q
SNMP - simple network management protocol
A
udp /161
12
Q
RDP - Remote desktop protocol
A
tcp /3389
13
Q
NTP - Network time protocol
A
udp /123
14
Q
SIP - Session initiation protocol
A
tcp /5060
tcp /5061
15
Q
SMB - Server message block
A
tcp /445 (NetBIOS-less)