Networking Ports - Basic

Fill in the port number assigned to the Computer Protocol. The protocols listed are a simplified list of must know protocols.
All answers are a single port
A full list can be found here: https://www.jetpunk.com/user-quizzes/300682/networking-ports
Quiz by
JRBerger
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Last updated: August 21, 2025
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First submittedAugust 21, 2025
Times taken78
Average score44.0%
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Port
Protocol
20
FTP data
21
FTP control
22
SSH
23
Telnet
25
SMTP
49
TACACS
53
DNS
67
DHCP server
68
DHCP client
69
TFTP
80
HTTP
110
POP3
123
NTP
143
IMAP
161
SNMP Agent
162
SNMP Manager
389
LDAP
427
SLP
443
SSL
443
HTTPS
993
IMAPS
995
POP3S
1812
RADIUS Authentication & Authorization
1813
RADIUS Accounting
3389
RDP
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