TCP/UDP Ports Flashcards
1
Q
Telnet
Unsecure console access
A
TCP/23
2
Q
SSH/SFTP
A
TCP/22
3
Q
DNS
A
UDP/53
4
Q
SMTP
A
TCP/25 for plain text
TCP/587 for TLS encryption
5
Q
POP3 - Post Office Protocol v3
A
TCP/110 for plain text
TCP/995 for TLS encryption
6
Q
IMAP4 - Internet Message Access Protocol v4
A
TCP/143 for plain text
TCP/993 for TLS encryption
7
Q
FTP - File Transfer Protocol
Authenticates with username and password
A
TCP/20 for active data mode
TCP/21 for control
8
Q
TFTP - Trivial File Transfer Protocol
No authentication
A
UDP/69
9
Q
DHCP
A
UDP/67
UDP/68
10
Q
HTTP
A
TCP/80
11
Q
HTTPS
A
TCP/443
12
Q
SNMP
A
UDP/161
13
Q
Syslog
A
UDP/514
14
Q
RDP - Remote Desktop Protocol
A
TCP/3389
15
Q
NTP - Network Time Protocol
A
UDP/123
