Google Chrome: passthrough Windows authentication

This has been included in the stable release of Chrome 5.x as of May 2010. It works similar to Internet Explorer in that “Intranet” URLs (without dots in the address) will attempt single sign-on if requested by the server. To enable passthrough for other domains, you need to run Chrome with an extra command line … Read more

How does SSO with Active Directory work whereby users are transparently logged in to an intranet web app?

First of all – and in case other users happen to visit this page – there are only certain authentication methods that allow you to do promptless SSO. These are NTLM and Kerberos. LDAP – on the other hand – will never give you promptless SSO. NTLM is actually NTLMv1 and NTLMv2. These are very … Read more

Best Practices in Username Standards: Avoiding Problems

This is a chronic problem with large Identity Management systems attempting to glue together heterogeneous systems. Invariably, you’ll be limited to the lowest common denominator, which all too often is an 8-character ASCII-alpha-numeric limit thanks to some (probably legacy) Unix-like system somewhere in the bowels of the datacenter. Those fancy modern systems can take arbitrary … Read more