This tool is designed for check whether IPPortEndpoint is opened on the internet or not. Support both TCP and UDP, both IPv4 and IPv6. For TCP, it's valid if it can be connected. For UDP, it's valid if it can answer "I'm OK".
- Support both TCP and UDP
- Support both IPv4 and IPv6
- Support work as Client or Server
- If you run a service(website, ssh, sip, etc.) on a server with public IP, and you want to make sure the firewall opened the specified TCP or UDP ports...
- If you have some problems when you test your iOS app with ipv6 via Mac's NAT64, and you want to check whether the NAT64 works well or not...
- .NET Framework 2.0
- As server
- As client