Proxy Support Session Based Authentication

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An unexpected 401.1 status is ... - support.microsoft.com

    https://support.microsoft.com/en-us/help/2749007/an-unexpected-401-1-status-is-returned-when-using-pre-authentication-h
    Aug 22, 2012 · An unexpected 401.1 status is returned when using Pre-Authentication Headers with Internet Explorer and Internet Information Services. Contenu fourni par Microsoft. ... In the Authentication pane, select Windows Authentication. ... Proxy-Support: Session-Based-Authentication.

Request to web service with Basic authorization via proxy ...

    https://stackoverflow.com/questions/6189547/request-to-web-service-with-basic-authorization-via-proxy-with-ntlm-authorizatio
    I got the app configuration working (WCF ServiceModel), it's using the default proxy credentials, the request is authenticating with the proxy, but after it authenticates with the web service it does not send the request body for some reason. The process works if I test locally without the NTLM proxy.

NTLM credentials not sent by client when there ... - GitHub

    https://github.com/dotnet/corefx/issues/9234
    Jun 07, 2016 · The questionable behavior is caused by the Proxy-Support: Session-Based-Authentication header. Since NTLM is session based, it requires the Proxy-Support: Session-Based-Authentication header to be included when authenticating through a proxy. Fiddler appears to add that header only if the first WWW-Authenticate header in the 401 response is ...

Issue 67057: Remove the "Proxy-Support: Session-Based ...

    https://codereview.chromium.org/67057
    Remove the "Proxy-Support: Session-Based-Authentication" response headers from the NTLMAuth1 and NTLMAuth2 tests because they were inserted by Fiddler 2 (acting as a proxy…

Why do I get a 401 error when calling a WCF service from a ...

    https://sharepoint.stackexchange.com/questions/5467/why-do-i-get-a-401-error-when-calling-a-wcf-service-from-a-web-part
    I have a SharePoint 2010 web part and WCF service deployed to a web application using Kerberos authentication. The service was developed based on the walkthrough from MSDN with the …

Fiddler SessionFlags - docs.telerik.com

    https://docs.telerik.com/fiddler/KnowledgeBase/SessionFlags
    Fiddler SessionFlags. Each Session object in Fiddler contains a collection of string flags, in the Session.oFlags[] ... Prevent Fiddler from adding a "Proxy-Support: Session-Based-Authentication" header to HTTP/401 or HTTP/407 responses that request Negotiate or NTLM authentication.

IE Proxy won't use NTLM? : The Official Microsoft IIS Forums

    https://forums.iis.net/t/1170562.aspx?IE+Proxy+won+t+use+NTLM+
    Sep 02, 2010 · [Note to make this work required using an undocumented header in the response challenge, Proxy-Support: Session-Based-Authentication, that I observed ISA server using and Kerberos instead of NTLM. If I force NTLM, this fails] Then the URL requested is not local to the proxy server, the authentication process fails.

Not able to connect to EWS/Exchange.asmx when NTLM ...

    https://answers.microsoft.com/en-us/msoffice/forum/all/not-able-to-connect-to-ewsexchangeasmx-when-ntlm/7946de64-3f4a-4b37-882e-51c805ab0c94
    One of our customer has BlueCoat Proxy Server with NTLM authentication enabled. BlueCoat Proxy Server details: ProxySG S400-20 and SGOS 6.5.10.7 Our application fails to connect to EWS/Exchange.asmx when NTLM authentication is enabled in Proxy Server. Our application can connect to EWS/Exchange.asmx when authentication is disabled in Proxy Server.

Sites requiring an NTLM authentication don't work through ...

    https://bugzilla.mozilla.org/show_bug.cgi?id=602814
    But bug 592197 says NTLM auth through a proxy works. It was broken for SSL temporarily, but that works too. So what's different between this reporter's config/network and the people who reported, worked on, and tested bug 592197?Not "blocking" 1.9.2 security updates if it's been a problem since the initial 3.6 release, obviously the scenario in which this bug shows up is somewhat rare.



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