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ACE header HTTP_FRONT_END_HTTPS=On

I have a site that is behind an ACE.  I can see a HTTP_FRONT_END_HTTPS=On header variable coming thought which appears to indicate the connection to client is secure.  Can somebody tell me if this is added by the ACE be default or if it needs to be configured. I see from Wikipedia that it's "non-standard" so that is why I am questioning the reliability for use on other sites behind the ACE without knowing where it's set.

X-Forwarded-Proto[17]

a de facto standard for   identifying the originating protocol of an HTTP request, since a reverse   proxy (load balancer) may communicate with a web server using HTTP even if   the request to the reverse proxy is HTTPS

X-Forwarded-Proto: https

Front-End-Https[18]

Non-standard header used by   Microsoft applications and load-balancers

Front-End-Https: on

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Cisco Employee

ACE header HTTP_FRONT_END_HTTPS=On

Hi Troy,

If you have the below configuration in ACE then yes it is ACE which is inserting the aforesaid header.

action-list type modify http xxxx
 header insert request FRONT-END-HTTPS header-value On 


You can use it wherever required.

Let me know if you have any questions.

Regards,
Kanwal
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