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Brent,
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<blockquote type="cite"><span class="Apple-style-span" style="border-collapse: separate; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: -webkit-auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; "><span class="Apple-style-span" style="color: rgb(31, 73, 125); font-family: Calibri, sans-serif; font-size: 15px; ">We
are expected to send the SAML response to a specific URL as in samlservice.aspx that will then consume the response. From what I see in the documentation, the ACS URLs are virtual, not literal. In our case, we are trying to send the response to a literal
ACS URL.</span></span></blockquote>
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<div>I'm not sure how you're distinguishing between a "literal" URL and a "virtual" one, even with the example. Maybe you're just referring to the query string? There's no actual "file" at /Shibboleth.sso/ either.</div>
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<div>Either way, from the IdP's perspective, the internal hosting architecture of the SP is opaque. It just needs to know a trusted place to send the user back to with the assertion in hand.</div>
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<span style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125); ">For example instead of the ACS URL<span class="Apple-converted-space"> </span><a href="http://webtma.umaryland.edu/Shibboleth.sso/SAML2/POST" style="color: blue; text-decoration: underline; ">http://webtma.umaryland.edu/Shibboleth.sso/SAML2/POST</a>,
I need to send directly to<span class="Apple-converted-space"> </span><a href="http://webtma.umaryland.edu/tmalogin/samlservice.aspx?c=umb" style="color: blue; text-decoration: underline; ">http://webtma.umaryland.edu/tmalogin/samlservice.aspx?c=umb</a><o:p></o:p></span></div>
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<div>Then that's the URL that should be in their metadata and in the AuthnRequest. I believe the IdP will honor ACS URL's with query strings, but it's not a common use case, so this will be the first place to start looking should you have an issue.</div>
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<div>Thanks,</div>
<div>Nate.</div>
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