-US/docs/Glossary/Forbidden_header_name) |  no   
  
##  Syntax

http

    
    
    X-Forwarded-Proto: <protocol>
    

##  Directives

<protocol>

    

The forwarded protocol (http or https).

##  Examples

http

    
    
    X-Forwarded-Proto: https
    

Other non-standard forms:

http

    
    
    # Microsoft
    Front-End-Https: on
    
    X-Forwarded-Protocol: https
    X-Forwarded-Ssl: on
    X-Url-Scheme: https
    

##  Specifications

Not part of any current specification. The standardized version of this header
is [ ` Forwarded ` ](/en-US/docs/Web/HTTP/Headers/Forwarded) .

##  See also

  * [ ` Forwarded ` ](/en-US/docs/Web/HTTP/Headers/Forwarded)
  * [ ` X-Forwarded-For ` ](/en-US/docs/Web/HTTP/Headers/X-Forwarded-For)
  * [ ` X-Forwarded-Host ` ](/en-US/docs/Web/HTTP/Headers/X-Forwarded-Host)

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