Common Ports Flashcards
1
Q
FTP
A
File Transfer Protocol
20 / 21
2
Q
SSH
SCP
A
Secure Shell
Secure Copy
22
3
Q
Telnet
A
23
TCP
4
Q
SMTP
A
Simple Mail Transfer Protocol
25
TCP
5
Q
TACACS
A
Terminal Access Controller Access-Control System
49
TCP & UDP
6
Q
DNS
A
Domain Name Service
53
TCP & UDP
7
Q
DHCP
A
Dynamic Host Configuration Protocol
67 / 68
UDP
8
Q
TFTP
A
Trivial File Transfer Protocol
69 UDP
9
Q
HTTP
Hper Text Transfer Protocol
A
80 TCP
10
Q
Kerberos
A
88 TCP
11
Q
POP3
Post Office Protocol V
A
110 TCP
12
Q
NNTP
Network News Transfer Protocol
A
119 TCP
13
Q
NTP
Network Time Protocol
A
123 UDP
14
Q
NetBIOS
Network Basic Input/Output System
A
135 TCP
137 TCP & UDP
139 TCP
15
Q
IMAP4
Internet Message Access Protocol
A
143 TCP & UDP
