[BlueOnyx:02873] .htaccess not working?

[Colin Jack]

We have a server that has been running fine, however we recently found that
users couldn't access their /awstats ...

Authentication fails but nothing has changed from when it worked fine.
The .htaccess file looks okay:

AuthAuthoritative on
AuthType Basic
AuthName AwStats
AuthExternal pwauth
GroupExternal unixgroup
require group site124

Users can log on to the CCE okay and mail collection etc. works fine

As I said, nothing has changed as far as I'm aware. Can anybody please give
me a pointer to what may be not working?

Thanks

Colin