Error 502.2 Bad Gateway, 500 Internal server CGI program sent malformed or too big

This article pertains to an error that may occur when opening config.cgi (UnitySync, Directify or emPass) on a virtual machine (VM).

Error 500: Internal Server Error CGI program sent malformed or too big (>16384 bytes) HTTP headers: [ ]

HTTP Error 502.2 - Bad Gateway The specified CGI application misbehaved by not returning a complete set of HTTP headers. The headers it did return are “ ”.

This problem has been fixed as of v4.6.22. Upgrade to the latest version to resolve this issue.

For further support, contact support@dirwiz.com.