<div dir="ltr"><br><div class="gmail_quote"><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
<a href="https://shibboleth.atlassian.net/wiki/spaces/IDP5/pages/3199501597/SameSite" rel="noreferrer" target="_blank">https://shibboleth.atlassian.net/wiki/spaces/IDP5/pages/3199501597/SameSite</a><br></blockquote><div><br></div><div>Enabling SameSite=none fixes the problem for current Chrome, but not for other browsers:</div><div><br></div><div>- Firefox uses <a href="https://developer.mozilla.org/en-US/docs/Web/Privacy/State_Partitioning">State partitioning</a>, thus Client storage is still not accessible</div><div>- Safari blocks 3rd party cookies by default, access can only be granted via <a href="https://blog.certa.dev/third-party-cookie-restrictions-for-iframes-in-safari">Storage API</a></div><div>- Chrome is also planning to <a href="https://developers.google.com/privacy-sandbox/3pcd">phase out</a> 3rd party cookies<br></div><div><br></div><div>The primary problem thus seems to be, that Microsoft calls SAML2 IdP Logout endpoint inside an iFrame...</div><div><br></div><div>Regards, Petr</div></div></div>