Port Checker
Probe any TCP or UDP port from multiple locations at once. Open, closed or filtered is diagnosed per region — the fastest way to confirm a firewall rule, a service binding or a geo-block is doing what you think it is.
Probe any TCP or UDP port from multiple locations at once. Open, closed or filtered is diagnosed per region — the fastest way to confirm a firewall rule, a service binding or a geo-block is doing what you think it is.