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                                                    <td style="vertical-align: top;; padding: 0px; border-collapse: collapse; padding-right: 5px; font-size: 20px; line-height: 30px; mso-line-height-rule: exactly" class="page-title-pattern-header-container"> <span class="page-title-pattern-header" style="font-family: Arial, sans-serif; padding: 0; font-size: 20px; line-height: 30px; mso-text-raise: 2px; mso-line-height-rule: exactly; vertical-align: middle"> <a href="https://issues.shibboleth.net/jira/browse/SSPCPP-776" style="color: #3b73af; text-decoration: none">Re: Add POST preservation to new IIS native module</a> </span> </td> 
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                                                    <td class="text-paragraph-pattern-container mobile-resize-text " style="padding: 0px; border-collapse: collapse; padding: 0 0 10px 0"> <p style="margin: 10px 0 0 0; margin-top: 0">So armed with that its easy to see the bug.</p> <h3 style="margin: 10px 0 0 0; font-size: 16px; line-height: 1.563; margin: 30px 0 0 0"><a name="Apache" style="color: #3b73af; text-decoration: none"></a>Apache</h3> 
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                                                                <pre class="code-java" style="margin: 10px 0 0 0; margin-top: 0; max-height: 30em; overflow: auto; white-space: pre-wrap; word-wrap: normal">
POST https:<span class="code-comment" style="color: #808080">//w2k3.steadingsoftware.net/Shibboleth.sso/SAML2/POST HTTP/1.1
</span>...
Referer: https:<span class="code-comment" style="color: #808080">//v3.steadingsoftware.net/idp/profile/SAML2/Redirect/SSO
</span>..
..
..
HTTP/1.1 200 OK
Date: Sat, 24 Feb 2018 15:55:19 GMT
Server: Apache/2.4.25 (Win64) OpenSSL/1.0.2j
Set-Cookie: 
   _shibsession_6.....=/; HttpOnly
   _shibpost_9.....=; path=/; HttpOnly; expires=Mon, 01 Jan 2001 00:00:00 GMT 

Expires: Wed, 01 Jan 1997 12:00:00 GMT Cache-Control: no-cache, no-store, must-revalidate, <span class="code-keyword" style="color: #000091">private</span>, max-age=0 
Pragma: no-cache
Content-Length: 1422
Keep-Alive: timeout=5, max=99
Connection: Keep-Alive
Content-Type: text/html
</pre> 
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                                                        </div> <h3 style="margin: 10px 0 0 0; font-size: 16px; line-height: 1.563; margin: 30px 0 0 0"><a name="IIS" style="color: #3b73af; text-decoration: none"></a>IIS</h3> 
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                                                                <pre class="code-java" style="margin: 10px 0 0 0; margin-top: 0; max-height: 30em; overflow: auto; white-space: pre-wrap; word-wrap: normal">
POST https:<span class="code-comment" style="color: #808080">//iis.steadingsoftware.net/Shibboleth.sso/SAML2/POST HTTP/1.1
</span>...
Referer: https:<span class="code-comment" style="color: #808080">//v3.steadingsoftware.net/idp/profile/SAML2/Redirect/SSO
</span>..
..
..
HTTP/2.0 200 OK
cache-control: no-cache, no-store, must-revalidate, <span class="code-keyword" style="color: #000091">private</span>, max-age=0
pragma: no-cache
content-type: text/html
expires: Wed, 01 Jan 1997 12:00:00 GMT
server: Microsoft-IIS/10.0
set-cookie:
    _shibpost_b=; path=/; HttpOnly; expires=Mon, 01 Jan 2001 00:00:00 GMT
date: Sat, 24 Feb 2018 13:37:37 GMT
content-length: 1440
X-Firefox-Spdy: h2
</pre> 
                                                            </div>
                                                        </div> <p style="margin: 10px 0 0 0">So in the IIS7 case the cookie isn't being said. <br> <b>Now</b> its time for some code reading and the debugger</p> </td> 
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