STUN Client - Test Network Connectivity | Online Free DevTools by Hexmos

Test network connectivity with STUN Client. Verify NAT traversal and troubleshoot firewall issues using command line. Free online tool, no registration required.

stun

Classic STUN client. More information: https://manned.org/stun.1.

  • Make a STUN request:

stun {{stun.1und1.de}}

  • Make a STUN request and specify the source port:

stun {{stun.1und1.de}} -p {{4302}}