Hello,

I can also confirm this is a normal occurrence on Windows while using
Chrome and Edge. Firefox, however, does not do this. It is a bit confusing
for new users of IPA as they will generally treat it as a login prompt,
although it doesn't do anything for them. I have been curious about this
prompt, but haven't had a chance to look into it yet.


On Wed, Sep 22, 2021, 3:51 PM Sam Morris via FreeIPA-users <
[email protected]> wrote:

> > Florence Renaud via FreeIPA-users wrote:
> > IIRC some browsers, notably on Windows, when the initial GSSAPI
> > handshake fails because there is no ticket, may either throw an error
> > because they are trying NTLM auth or don't understand the basic fallback.
> >
> > What browser(s) are you seeing the issue on?
>
> I see this on Windows 10 Home with Chrome 93.0.4577.82 (and older
> versions).
>
> I get two login prompts - the first is caused by a POST to
> /ipa/session/json resulting in a 401.
>
> The second is caused by a GET for /ipa/session/login_kerberos?_=<some
> timestamp>.
>
> Both responses have the WWW-Authenticate: Negotiate header.
>
> I happen to have MIT Kerberos for Windows installed--that may or may not
> be relevant. I've not (as far as I remember) configured Chrome to try to
> use SPNEGO to talk to my IPA servers so this may not be relevant.
>
> --
> Sam Morris <https://robots.org.uk/>
> PGP: rsa4096/CAAA AA1A CA69 A83A 892B  1855 D20B 4202 5CDA 27B9
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