1
vote
0answers
49 views

Proxy hosted in IIS with NTLM, how can I enable single sign on?

I have a forward proxy hosted in IIS with windows authentication enabled. Firefox is set up to use the proxy. Problem is, I don't know what to do with network.automatic-ntlm-auth.trusted-uris. ...
3
votes
1answer
216 views

Does IIS NTLM/Kerberos authentication still work with an offline domain controller?

We have multiple IIS instances spread across remote regional branches. Each IIS instance (v.7.5) is running the same application and authenticates its users with Integrated Authentication (NTLM in the ...
0
votes
0answers
166 views

Improving Windows Authentication performance on IIS

We're struggling with performance issues with a ASP.NET MVC site that is using Windows Authentication. Response time is very slow on the first request to the site when the user is being ...
1
vote
0answers
71 views

NTLM Only working from some clients

I have a Windows test app, using .net4, which consumes a remote asp.net web service hosted under IIS6. The client app has hard-coded Windows credentials which it passes to the IIS box. The IIS box ...
0
votes
1answer
604 views

IIS 7.5 - Authentication works with IP Adress but NOT with FQDN

I'm using an IIS Server and run into the following problem: Using Internet Explorer, I type http://1.2.3.4/mySite/ and everything works fine, it uses my Windows credentials. When I try ...
1
vote
0answers
280 views

IIS7, Kerberos, sometimes no response from browser to 401

SharePoint 2010 hosted on IIS7, Kerberos enabled. Clients log on through Citrix on several terminal servers. Kerberos is working on several clients, so SPN's are defined correctly, but on some clients ...
1
vote
0answers
113 views

IIS logging one 401.5 response, followed by a 200 response

We are using pass-through authentication on our intranet. The clients are running Google Chrome Frame in IE and the server is running IIS 7. In the IIS logs, for every request we are seeing a 401.5 ...
0
votes
1answer
851 views

I want ntlm auto authentication but login popup uppears [closed]

I built a php intranet web application that allow users to show their information stored in Active Directory. I want to auto authenticate the user over the Active directory using his windows ...
4
votes
4answers
13k views

How can I check if my IIS site is using NTLM or Kerberos?

How can I check if my IIS site is using NTLM or Kerberos? And how can I change authentication from Kerberos to NTLM? I'm using IIS 7.5 and I couldn't find any answer to this question, can help me a ...
1
vote
0answers
253 views

Remote access to IIS 5.1 via NTLM

I'm trying to configure remote access to IIS 5.1 web server on a virtual xp machine. The web server is used to expose a ASP.NET web service. I want to access the web service using Java client by ...
2
votes
1answer
760 views

Single Sign-on for Intranet WordPress using OpenID (or OAuth), IIS, Integrated Windows Authentication, Active Directory?

Is it possible to have single sign-on for intranet WordPress sites by using OpenID (or OAuth), IIS, Integrated Windows Authentication, Active Directory? I'd like to have Active Directory users ...
1
vote
0answers
519 views

How do I tell if IIS allows for authentication to downgrade from Kerberos to NTLM v1?

It is my understanding that authenticating to IIS with Kerberos will, by default, allow for the authentication to downgrade to NTLM v2 or NTLM v1 if the client cannot handle Kerberos. In my case I ...
19
votes
5answers
13k views

Why use Kerberos instead of NTLM in IIS?

This is something that I've never really been able to answer as well as I like: What is the real advantage of using Kerberos authentication in IIS instead of NTLM? I've seen a lot of people really ...
2
votes
2answers
3k views

Weird IIS with Windows Authentication + IE problem

I have a website running on IIS and using Windows Authentication. All users that are configured to get access to the site are form a AD domain (not local users). In the properties of a Website, I have ...
1
vote
1answer
2k views

Enabling NTLM Auto login on IIS for fully qualified domain name (FQDN)

I have noticed in our network that when I want to enable users to connect to a Web Application and be automatically logged in, I need to provide them with a URL such as ...
3
votes
1answer
3k views

Avoiding 401 response for each request using NTLM

We have here an ASP.NET 3.5 application using NTLM based Windows authentication. The system runs on a private network that is actually distributed over different geographic places (connected via VPN). ...