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From Michael Jedlicka <>
Subject RE: ReverseProxy and Sharepoint
Date Wed, 23 Sep 2015 11:49:45 GMT
Sharepoint is currently setup on the internal to listen on non-SSL.

2 listeners have been configured, 1 which does not allow basic auth and is using ntlm, the
second which is for the reverse proxy use, is set to allow basic auth.

I am trying to setup as follows:

Client -> https -> TrafficServer -> http -> Sharepoint

Current working config in AWS is as follows:

<VirtualHost *:443>
    RequestHeader set Front-End-Https "On"
    SSLProxyEngine On
    SSLProxyProtocol all -SSLv2
    ErrorLog logs/ _ssl_error_log
    TransferLog logs/ _ssl_transfer_log
    LogLevel warn
    SSLEngine on
    SSLProtocol all -SSLv2 -SSLv3
    SSLCertificateFile /etc/ssl/certs/web/
    SSLCertificateKeyFile /etc/ssl/keys/web/
    ProxyRequests Off
    RewriteEngine On
    RewriteRule ^/(.*) http://sharepoint/$1 [P]
    ProxyPassReverse / http://sharepoint/
    <Location />
        Order allow,deny
        Allow from all
        SetEnv force-proxy-request-1.0 1
        SetEnv proxy-nokeepalive 1

This works, however trying to replicate this type of config with ATS is being a bit problematic
with authentication only.

From: Gustave Stresen-Reuter []
Sent: 23 September 2015 01:23 PM
Subject: Re: ReverseProxy and Sharepoint

Just a thought based on similar, prior experience with other products…

Is SharePoint possibly redirecting between SSL and non-SSL at any point in the authentication
process? Also, IIRC, IIS has issues with Basic Authentication over SSL (but they may have
fixed that by now, this was more than 6 years ago that I saw these issues).



On Wed, Sep 23, 2015 at 10:29 AM Michael Jedlicka <<>>

Hi There

I am a newbie and have just found Traffic Server. I am looking into whether we can utilize
it as a reverse proxy for our internal sharepoint.

I have been looking for extra information on how best to achieve this but have not found anything

The sharepoint is configured with an alternate address allowing basic auth.

I have configured ATS as a SSL external reverseproxy and mapped it to the internal sharepoint
connector. The only problem I have now is that the authentication prompt just loops re-requesting
to login.

Basically I am trying to see if ATS can be used over Apache Web Server. I did a test on a
basic config for the AWS for reverse proxy and all works fine, it does use a rewrite rule
so that from server to origin the url is mapped correctly for the realm authentication.

Has anyone setup a reverse proxy for sharepoint, any insights, docs, or examples would be

Michael Jedlicka

Michael Jedlicka
Senior Database Administrator

Physical Address: Falcon View Park, 7 Mountain Ridge Road, New Germany 3610
Postal Address:  P.O. Box 15315, Westmead, 3608
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