Port Numbers Flashcards
1
Q
0 to 1023 are known as…
A
Well-Known or System Ports
2
Q
Secure Shell Protocol (SSH)
A
TCP 22
3
Q
Telnet
A
23
4
Q
File Transfer Protocol (FTP)
A
20/21
5
Q
Simple Mail Transfer Protocol (SMTP)
A
TCP 25
6
Q
Hypertext Transfer Protocol (HTTP)
A
TCP 80
7
Q
Post Office Protocol 3 (POP3)
A
TCP 110
8
Q
1024 to 49151 are known as…
A
Registered or User Ports
9
Q
Network Time Protocol (NTP)
A
123
10
Q
Internet Message Access Protocol (IMAP)
A
TCP 143
11
Q
Domain Name System (DNS)
A
UDP/TCP 53
12
Q
49152-65535
A
Ephemeral/Dynamic/Private Ports
13
Q
Hypertext Transfer Protocol Secure (HTTPS)
A
TCP 443
14
Q
Trivial File Transfer Protocol (TFTP)
A
UDP 69
15
Q
Dynamic Host Configuration Protocol (DHCP)
A
67 server / 68 client
UDP
