CompTIA Network+ Common Ports

Common networking ports and their protocols as stated in the CompTIA Network+ N10-009 objectives.
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mjrrrubio
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Last updated: August 19, 2025
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First submittedAugust 19, 2025
Times taken39
Average score52.6%
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SQL
FTP
TFTP
LDAP
Telnet
NTP
DHCP
SMTPS
SMTP
RDP
SSH / SFTP
SNMP
Syslog
SMB
SIP
HTTPS
HTTP
DNS
LDAPS
22
23
25
53
69
80
123
389
443
445
514
587
636
1433
20/21
3389
67/68
161/162
5060/5061
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