PORT NUMBERS Flashcards
Get familiar with popular ports in computer networking
1
Q
21
A
FTP (File Transfer Protocol) - TCP
2
Q
22
A
SSH, SCP, SFTP - TCP
3
Q
23
23
A
Telnet - TCP
4
Q
25
A
SMTP (Simple Mail Transfer Protocol) - TCP
5
Q
53
A
DNS (Domain Name System) - TCP/UDP
6
Q
69
A
TFTP (Trivial File Transfer Protocol) - UDP
7
Q
80
A
HTTP (Hypertext Transfer Protocol) - TCP
8
Q
88
A
Kerberos - UDP
9
Q
110
A
POP3 (Post Office Protocol) - TCP
10
Q
119
A
NNTP (Network News Transfer Protocol) - TCP
11
Q
135
A
RPC (Remote Procedure Call) - TCP/UDP
12
Q
137 138 139
A
NetBIOS - TCP/UDP
13
Q
143
A
IMAP (Internet Message Access Protocol) - TCP
14
Q
161
A
SNMP (Simple Network Management Protocol) - UDP
15
Q
162
A
SNMPTrap - UDP
