This site will have limited functionality while we undergo maintenance to improve your experience. If an article doesn't solve your issue and you want to ask a question, we have our support community waiting to help you at @FirefoxSupport on Twitter and/r/firefox on Reddit.

Avatar for Username

Buscar en Ayuda

Avoid support scams. We will never ask you to call or text a phone number or share personal information. Please report suspicious activity using the “Report Abuse” option.

Learn More

Este tema ha sido archivado. Haz una nueva pregunta si necesitas ayuda.

Lighttpd DoH server on the local network works with Brave browser but Firefox 123 complains that "TRR_FAILED"

  • 1 respuesta
  • 0 tienen este problema
  • 4 visitas
  • Última respuesta de Guest72305782

Guest72305782
Guest72305782
more options

If I use the Apache server with an expired SSL certificate it works.

What am I missing?

If I use the Apache server with an expired SSL certificate it works. What am I missing?

Todas las respuestas (1)

Guest72305782
Guest72305782 Autor de la pregunta
more options

I updated Lighttpd and the problem is solved.

The origin of the error was its handling of empty request headers. It manifested in the logs with the message "invalid header value -> 400".