<html><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; ">Adam,<div><br></div><div>You're likely to have configured your web server -- Tomcat, if listening directly on the port where your login page is hosted, or Apache, if it's fronting that Tomcat -- to request client SSL certificates on that port. Shibboleth itself wouldn't be making that request.</div><div><br></div><div>Check server.xml or httpd.conf for erroneous directives first. I would guess you accidentally used configuration intended for port 8443(for back-channel calls between SP's and your IdP) for port 443.</div><div><br></div><div>Take care,</div><div>Nate.</div><div><br><div><div>On May 9, 2012, at 18:55 , Adam Jones wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite"><span class="Apple-style-span" style="border-collapse: separate; color: rgb(0, 0, 0); font-family: Helvetica; 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; font-size: medium; "><span class="Apple-style-span" style="font-family: Calibri, sans-serif; font-size: 14px; ">When my SP sends my browser over to our local IdP to the login page, it requests from me a client SSL certificate and fails when I do not allow it. Is it normal to require the client browser's SSL certificate or is there a setting I missed? </span></span></blockquote></div><br></div></body></html>