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Quick TrainerCommon Network Ports and Their Services
Learn which service runs on each well-known TCP/UDP port number.
Code40 items3 levelsDifficulty 3/5
Free · no signup · works on any device
Levels
Start easy — harder levels unlock as you improve, or jump ahead anytime.
1
Everyday Ports
10 items
2
Common Services
14 items
3
Advanced & Specialized
16 items
All 40 cards
443
HTTPS
80
HTTP
22
SSH
21
FTP
25
SMTP
53
DNS
23
Telnet
110
POP3
143
IMAP
3389
RDP
67
DHCP (server)
68
DHCP (client)
123
NTP
161
SNMP
389
LDAP
636
LDAPS
993
IMAPS
995
POP3S
587
SMTP (submission)
3306
MySQL
5432
PostgreSQL
6379
Redis
27017
MongoDB
8080
HTTP (alternate)
20
FTP (data)
69
TFTP
137
NetBIOS Name Service
139
NetBIOS Session Service
445
SMB
514
Syslog
500
IKE (IPsec)
1433
Microsoft SQL Server
1521
Oracle Database
1194
OpenVPN
5060
SIP
3690
Subversion
179
BGP
88
Kerberos
5900
VNC
9418
Git
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