/.well-known/ is defined in RFC5785 and paths under this prefix can be registered with IETF. For example, /.well-known/acme-challenge/ is used by ACME, the doma

/.well-known/ is defined in RFC5785 and paths under this prefix can be registered with IETF. For example, /.well-known/acme-challenge/ is used by ACME, the domain verification protocol used by Let's Encrypt. https://www.ietf.org/rfc/rfc5785.txt https://www.ietf.org/rfc/rfc5785.txt It should not be too hard to make an exception for this path in your web server configuration. Also note that URLs do not have to match the local filesystem, so you could as well use an alias to a different local path.