d User Mode.<br>
   	<b>Important:</b> Forced User Mode is just intended for manual testing and should not be used in automation -
   	there are much better alternatives.

	<h2><a name="envvars">Authentication Header Environmental Variables</a></h2>
	A set of environmental variables are available which allow you to easily add an authentication header to all of the requests that are proxied through ZAP or initiated
	by the ZAP tools, including the spiders and active scanner: 
	<ul>
	<li>ZAP_AUTH_HEADER_VALUE