Scan common network ports on any hostname to check which are open, closed, or filtered.
Free Tool
Port Scanner
Check common port availability for any hostname or IP address (client-side simulation).
Note: This is a client-side simulation for educational purposes.
Related Resources
FAQ
What does a port scanner do?
A port scanner checks which network ports are open, closed, or filtered on a host. This helps identify running services and potential security issues.
Is this port scanner free?
Yes, completely free with no signup required. Note: this is a client-side simulation for educational purposes.
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