HTTP status codes & network ports.
A fast, no-nonsense reference — what every status code means and what runs on each common port. 34 codes, 32 ports, one search box.
HTTP Status Codes
1xx — Informational
2xx — Success
3xx — Redirection
4xx — Client Error
5xx — Server Error
Common Ports
- 20FTP data TCP
- 21FTP control TCP
- 22SSH / SFTP TCP
- 23Telnet TCP
- 25SMTP TCP
- 53DNS TCP/UDP
- 67DHCP server UDP
- 68DHCP client UDP
- 80HTTP TCP
- 110POP3 TCP
- 123NTP UDP
- 143IMAP TCP
- 161SNMP UDP
- 389LDAP TCP/UDP
- 443HTTPS TCP
- 445SMB TCP
- 465SMTPS TCP
- 514Syslog UDP
- 587SMTP submission TCP
- 636LDAPS TCP
- 993IMAPS TCP
- 995POP3S TCP
- 1433Microsoft SQL Server TCP
- 1521Oracle DB TCP
- 3306MySQL / MariaDB TCP
- 3389RDP TCP
- 5432PostgreSQL TCP
- 5900VNC TCP
- 6379Redis TCP
- 8080HTTP alternate TCP
- 8443HTTPS alternate TCP
- 27017MongoDB TCP
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