Port Scanner Tool
Scan open ports on any host to check service availability
Quick Scan Presets:
Enter a hostname or IP address and specify ports to scan.
You can use comma-separated values (80,443) or ranges (1-100).
Maximum 100 ports per scan.
Online Port Scanner - Check Open Ports on Any Server
Scan ports on any server or IP address to check which services are running. Our port scanner supports both TCP and UDP protocols with customizable port ranges.
Key Features
Common Ports Check
Quick scan of the most commonly used ports
Custom Range
Scan any port range from 1 to 65535
Service Detection
Identify services running on open ports
TCP & UDP Support
Scan both TCP and UDP protocols
Fast Scanning
Optimized scanning algorithm for quick results
Security Assessment
Identify potentially vulnerable open ports
Frequently Asked Questions
Is port scanning legal?
Port scanning your own servers or servers you have permission to test is legal. Always get proper authorization before scanning third-party systems.
What are common ports?
Common ports include 80 (HTTP), 443 (HTTPS), 22 (SSH), 21 (FTP), 25 (SMTP), 3306 (MySQL), and 3389 (RDP).