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<p class="MsoNormal"><b><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri",sans-serif">From:</span></b><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri",sans-serif"> users [mailto:users-bounces@shibboleth.net]
<b>On Behalf Of </b>Ian Young<br>
<b>Sent:</b> 11 May 2015 12:17<br>
<b>To:</b> Shib Users<br>
<b>Subject:</b> Re: SAML1 for particular Relying Party within a federation<o:p></o:p></span></p>
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<p class="MsoNormal">On 11 May 2015, at 11:58, Keith Carr <<a href="mailto:kecarr@sgul.ac.uk">kecarr@sgul.ac.uk</a>> wrote:<o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">I’m basically looking to force one SP that provides it’s metadata via the UKfederation to use SAML1 for its response and assertion.<o:p></o:p></span></p>
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<p class="MsoNormal">Unless you're going to be sending unsolicited responses, it is the SP's choice that will determine which protocol is used for the transaction. If the SP sends you a SAML 2 authentication request, you will be replying using SAML 2 or not
at all. An SP will of course not do that if it can see that you only support SAML 1.<o:p></o:p></p>
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<p class="MsoNormal">Can you give us some idea as to why you want to not use SAML 2 if it's available to both parties?<o:p></o:p></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">With the recent vulnerabilities exposed within the TLS/SSL protocols (POODLE) we tightened up server configs, including setting Tomcat to work with TLS 1.0 as
a minimum requirement. However we have found doing so “breaks” SAML1.x assertion exchange with one of the SP’s (Ovid). It seems like they are some time away from addressing the security vulnerability themselves and moving to SAML2.x.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">To be honest, with what you’ve said now I think I’ve realised there’s no way around it until they have applied updates.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">Thanks for your help,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">- Keith<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:9.0pt"> -- Ian</span><o:p></o:p></p>
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