Port Checker
Test whether a port accepts connections from the public internet — the definitive check on whether a port forward, firewall rule or service binding actually works.
Open Port CheckerWhere to find it
Every address below opens the same tool. The primary address is the one to bookmark and share.
- port.openvibe.toolsPrimary
People also call this
- port checker
- open port test
- port scanner online
- check port open
- tcp port test
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One account works on every site. Open source and community-run.