Hello!

On Thu, Sep 01, 2011 at 10:19:57AM -0400, ssaravalli wrote:

[...]

> So, is there a way to tell NGINX to manage only the first authentication
> level and when the user provides username/password (LDAP) for the
> backend web app, these credentials must be managed by the backend web
> server?

There is no levels of authentication possible in HTTP
authentication.

More strictly, there are two levels: proxy and client. The
proxy level is reserved to working with proxies, and it's not
generally possible to use it anywhere else (additionally, I
believe it's not supported by majority of software).

Please refer to RFC 2616 and RFC 2617 for more details.

> Another solution may be to keep on the backend the LDAP auth and on the
> frontend (NGINX) a form based authentication?

This should work.

Maxim Dounin

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