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<p class="MsoNormal"><span style="color:#1F497D">Thanks! The below url&#8217;s were very informative and answered lots of my questions.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p>&nbsp;</o:p></span></p>
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<p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:&quot;Tahoma&quot;,&quot;sans-serif&quot;">From:</span></b><span style="font-size:10.0pt;font-family:&quot;Tahoma&quot;,&quot;sans-serif&quot;"> users-bounces@shibboleth.net [mailto:users-bounces@shibboleth.net]
<b>On Behalf Of </b>David Gersic<br>
<b>Sent:</b> Thursday, December 18, 2014 7:28 AM<br>
<b>To:</b> Shib Users<br>
<b>Subject:</b> Re: Shibboleth Authentication request flow<o:p></o:p></span></p>
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<p class="MsoNormal"><o:p>&nbsp;</o:p></p>
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<p style="background:white"><span style="font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:black">Shibboleth is an implementation of SAML. So if you understand how SAML works, you understand what Shibboleth is doing. Start here for basic SAML description:<o:p></o:p></span></p>
<p style="background:white"><span style="font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:black"><o:p>&nbsp;</o:p></span></p>
<p style="background:white"><span style="font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:black"><a href="http://en.wikipedia.org/wiki/Security_Assertion_Markup_Language" id="lnk399212">http://en.wikipedia.org/wiki/Security_Assertion_Markup_Language</a><o:p></o:p></span></p>
<p style="background:white"><span style="font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:black"><o:p>&nbsp;</o:p></span></p>
<p style="background:white"><span style="font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:black"><a href="https://blog.surfnet.nl/?p=1417" id="lnk573904">https://blog.surfnet.nl/?p=1417</a><o:p></o:p></span></p>
<p style="background:white"><span style="font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:black"><o:p>&nbsp;</o:p></span></p>
<p style="background:white"><span style="font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:black"><o:p>&nbsp;</o:p></span></p>
<p style="background:white"><span style="font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:black"><o:p>&nbsp;</o:p></span></p>
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<p class="MsoNormal" style="background:white"><b><span style="color:black">From:</span></b><span style="color:black">
<a href="mailto:users-bounces@shibboleth.net">users-bounces@shibboleth.net</a> &lt;<a href="mailto:users-bounces@shibboleth.net">users-bounces@shibboleth.net</a>&gt; on behalf of Sathish Anickode &lt;<a href="mailto:SAnickode@skytouchtechnology.com">SAnickode@skytouchtechnology.com</a>&gt;<br>
<b>Sent:</b> Wednesday, December 17, 2014 9:02 PM<br>
<b>To:</b> Shib Users<br>
<b>Subject:</b> Shibboleth Authentication request flow</span><span style="font-size:12.0pt;color:#212121">
<o:p></o:p></span></p>
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<p class="MsoNormal" style="background:white"><span style="font-size:12.0pt;color:#212121">&nbsp;<o:p></o:p></span></p>
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<p class="MsoNormal" style="background:white"><span style="color:#212121">I would like to understand how the authentication request flows between the user&#8217;s browser, SP and IdP.<o:p></o:p></span></p>
<p class="MsoNormal" style="background:white"><span style="color:#212121">&nbsp;<o:p></o:p></span></p>
<p class="MsoNormal" style="background:white"><span style="color:#212121">A user accesses a resource on a SP for the first time and since there is no associated authenticated session, a SAML request is sent to the IdP to authenticate the user. Since the user
 does not have an associated session on the IdP, does the IdP send back a SAML response requesting the user to be redirected to the login page? Can you please clarify how this interaction works?<o:p></o:p></span></p>
<p class="MsoNormal" style="background:white"><span style="color:#212121">&nbsp;<o:p></o:p></span></p>
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