Apache SPNEGO implementation

Technical references : Administration : Single Sign-On Planon Web Client : Apache SPNEGO implementation

For more information, refer to https://tomcat.apache.org/tomcat-9.0-doc/windows-auth-howto.html.

SPNEGO SSO using Kerberos does not work on localhost. You cannot try out your SSO configuration on the web server. Negotiation will take the unsupported NTLM authentication instead of localhost.