Common ports Flashcards
1
Q
FTP
File Transfer Protocol
A
Port 20/21
2
Q
SSH
Secure Shell.
A
Port 22
3
Q
Telnet
Telecommunication Network
A
Port 23
4
Q
SMTP
Simple Mail Transfer Protocol
A
Port 25
5
Q
POP3
Post Office Protocol version 3
A
Port 110
6
Q
IMAP
Internet Message Access Protocol
A
Port 143
7
Q
RDP
Remote Desktop Protocol
A
Port 3389
8
Q
HTTP
Hypertext Transfer Protocol
A
Port 80
9
Q
HTTPS
Hypertext Transfer Protocol Secure
A
Port 443
10
Q
DNS
Domain Name System
A
Port 53
11
Q
NTP
Network Time Protocol
A
Port 123
12
Q
DHCP
Domain Host Configuration Protocol
A
Port 67/68
13
Q
SNMP
Simple Network Management Protocol
A
Port 161
14
Q
LDAP
Lightweight Directory Access Protocol
A
Port 389
15
Q
SMB
Server Message Block
A
Port 445
16
Q
RADIUS
Remote Authentication Dial-In User Service
A
Port 1812 / 1813
17
Q
SIP
Session Initiation Protocol
A
Port 5060
18
Q
FTPS
FTP Secure
A
Port 990
19
Q
Syslog
A
514
20
Q
SQL Server
A
1433
