Like all non-stable version build of the tor browser, it is recommended to use it with caution, as it is not fully tested for the best security and stability.
What is webtunnel’s advantage?
The communication with a webtunnel bridge is in HTTPS protocol, thus difficult to identify. Furthermore, the same network address can host a website in coexistence of the webtunnel bridge, making active probing less effective.
Dec 03 11:56:35.000 [info] managed_proxy_stderr_callback(): Managed proxy at 'PluggableTransports\webtunnel-client.exe' reported via standard error: 2022/12/03 11:56:35 SOCKS accepted: {192.0.2.3:1 url=https://n97jlbvjwy3iotetc0axrtu3mm7gq1gajqv7-80-78-24-44.sslip.io/939e42a2-8f3f-4645-9d7b-8b9be28b157e map[url:[https://n97jlbvjwy3iotetc0axrtu3mm7gq1gajqv7-80-78-24-44.sslip.io/939e42a2-8f3f-4645-9d7b-8b9be28b157e]]}
Dec 03 11:56:35.000 [info] managed_proxy_stderr_callback(): Managed proxy at 'PluggableTransports\webtunnel-client.exe' reported via standard error: 2022/12/03 11:56:35 dial error: unrecognized reply
Dec 03 11:56:35.000 [info] managed_proxy_stderr_callback(): Managed proxy at 'PluggableTransports\webtunnel-client.exe' reported via standard error: 2022/12/03 11:56:35 Handler ended
It seems that the webtunnel process was crashed on server side. I have fixed it by restarting it. I will try to find out the root cause for the crash of the process.