HTTP Basic Authentication - what's the expected web browser experience?

Question

When a server allows access via Basic HTTP Authentication, what is the experience expected to be in a web browser?

Ignoring the web browser for a mo

Answer 1

WWW-Authenticate header

You may also get this if the server is sending a 401 response code but not setting the WWW-Authenticate header correctly - I should know, I've just fixed that in out own code because VB apps weren't popping up the authentication prompt.