By default, Horizon 7 accepts requests with the following declared content types only:
In earlier releases, this protection was disabled by default.
To restrict the content types that View accepts, add the following entry to the file locked.properties:
To accept another content type, add the entry
acceptContentType.2=content-type, and so on
To accept requests with any declared content type, specify
Changing this list does not affect connections to View Administrator.