Re: NTLM strange problem - some MACHINES can't authenticate

From: John C. Ring, Jr. (jcring@switch.com)
Date: 01/29/03 

From: jcring@switch.com (John C. Ring, Jr.)
Date: Wed, 29 Jan 2003 21:18:21 GMT

> I have a problem that is driving me crazy and i hope someone can help.
> I have set up a web server that has some pages using ntlm
> authentication. Some machines on our company network can't login, no
> matter the user. They can access the web server just fine and any
> pages not requiring ntlm authentication. The weird thing is, this has
> nothing to do with any particular USER, it is certain MACHINES which
> can't authenticate. The same users can authenticate from other
> machines on the same network.

At least in my experience, this is a perfect description of a browser which is
configured to use a proxy server, and the address of the LAN machine in
question is not excluded from using the proxy server.

Relevant Pages

  • Re: NTLM strange problem - some MACHINES cant authenticate
    ... all normal traffic to the web server NOT using NTLM works fine. ... Some machines on our company network can't login, ... >> pages not requiring ntlm authentication. ...
    (comp.os.ms-windows.nt.admin.security)
  • NTLM strange problem - some MACHINES cant authenticate
    ... I have set up a web server that has some pages using ntlm ... Some machines on our company network can't login, ... pages not requiring ntlm authentication. ...
    (comp.os.ms-windows.nt.admin.security)
  • Re: NTLM strange problem - some MACHINES cant authenticate
    ... I'm inclined to suggest checking that the suspect machines are patched ... NTLM does require HTTP Keep-Alive ... LM/NTLM authentication. ... all normal traffic to the web server NOT using NTLM works fine. ...
    (comp.os.ms-windows.nt.admin.security)
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