Common Network Ports Flashcards
1
Q
File Transfer Protocol (FTP)
A
TCP 20, 21
2
Q
Secure Shell (SSH)
A
TCP & UDP 22
3
Q
SCP
A
TCP & UDP 22
4
Q
Telnet
A
TCP 23
5
Q
Simple Mail Transfer Protocol (SMTP)
A
TCP 25
6
Q
IPSec
A
Protocol 50 & 51
7
Q
Domain Name Server (DNS)
A
TCP & UDP 53
8
Q
Dynamic Host Configuration Protocol (DHCP)
A
UDP 67, 68
9
Q
Trivial File Transfer Protocol (TFTP)
A
UDP 69
10
Q
HyperText Transfer Protocol (HTTP)
A
TCP 80
11
Q
Post Office Protocol (POP3)
A
TCP 110
12
Q
Network News Transport Protocol (NNTP)
A
TCP 119
13
Q
Network Time Protocol (NTP)
A
UDP 123
14
Q
NetBIOS
A
TCP & UDP 135-139
15
Q
Internet Message Access Protocol (IMAP4)
A
TCP & UDP 143