Check if common network service ports are open or closed on a target host.
Standard TCP and UDP ports commonly used across internet services, databases, and network administration.
| Port | Protocol / Service | Description | Security Status |
|---|---|---|---|
| 21 | FTP | File Transfer Protocol (Unencrypted) | Insecure |
| 22 | SSH / SFTP | Secure Shell remote management | Encrypted |
| 25 | SMTP | Simple Mail Transfer (Email sending) | Standard |
| 53 | DNS | Domain Name System lookups | Standard |
| 80 | HTTP | Hypertext Transfer Protocol (Web) | Unencrypted |
| 110 / 995 | POP3 / POP3S | Email Retrieval | 995 SSL |
| 143 / 993 | IMAP / IMAPS | Internet Message Access Protocol | 993 SSL |
| 443 | HTTPS | HTTP Secure (TLS/SSL Web Traffic) | Encrypted |
| 3306 | MySQL / MariaDB | Relational Database management | Internal Only |
| 3389 | RDP | Windows Remote Desktop Protocol | Restricted |
| 5432 | PostgreSQL | PostgreSQL Database Server | Internal Only |
| 6379 | Redis | In-Memory Cache & Key-Value Store | Internal Only |
| 8080 | HTTP-Alt / Proxy | Development web servers & proxies | Standard |
Check if common network service ports are open or closed on a target host.
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Server-side diagnostics run native system commands with ultra-low latency, and browser utilities execute directly on your device for instant accuracy.
