NatTypeTester

Channel	Status
CI
Stun.Net

RFC

• RFC 3489
• RFC 5780
• RFC 8489

Internet Protocol

• IPv4
• IPv6

Transmission Protocol

• UDP
• TCP
• TLS-over-TCP
• DTLS-over-UDP

RFC3489

RFC5389

Binding Test

Checking for UDP Connectivity with the STUN Server

Mapping Behavior

Determining NAT Mapping Behavior

Filtering Behavior

Determining NAT Filtering Behavior

Combining Tests