Why doesn't cURL work with Windows Authentication on IIS7?

Question

I am trying to access a service that is behind Windows Authentication. I thought I could pass the credentials the way HTTP Basic Authentication credentials are passed, but it\'s

Answer 1

You can also leave the username and password fields empty (-u :) and curl will use your current credentials from your environment:

curl --ntlm -u : http://example.com

Per the docs (under -u, --user)

If you use a Windows SSPI-enabled curl binary and perform Kerberos V5, Negotiate, NTLM or Digest authentication then you can tell curl to select the user name and password from your environment by specifying a single colon with this option: "-u :".

Kerberos-Enabled Binaries