Orchestrator - Disabling the HTTP Method Override Request

orchestrator

2023.10

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Orchestrator installation guide

Disabling the HTTP Method Override Request

How HTTP method override headers interact with Orchestrator authorization and steps to mitigate related security risks.

Some web frameworks provide a way to override the HTTP method in the request by supplying specific HTTP request headers, such as X-HTTP-Method, XHTTP-Method-Override, and X-Method-Override.

Authorization in Orchestrator is performed, by default, after HTTP headers are consumed. As a result, verb tunneling is not something you should worry about.

However, for an added extra layer of security, you can disable the X-HTTP-METHOD-OVERRIDE header in the web.config file of your Orchestrator instance, by setting its size limit to 0.

For example, you can add the following in the config file:

<security>
     <requestFiltering>
          <requestLimits>
              <headerLimits>
                    <add header="X-HTTP-METHOD-OVERRIDE" sizeLimit="0" />
               </headerLimits>
           </requestLimits>
     </requestFiltering>
</security>
<security>
     <requestFiltering>
          <requestLimits>
              <headerLimits>
                    <add header="X-HTTP-METHOD-OVERRIDE" sizeLimit="0" />
               </headerLimits>
           </requestLimits>
     </requestFiltering>
</security>

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