> Darn! Can you double check your filter rules ? Ensure 
that 
> a later rule do not accept the file, especially

In the meantime I reverted to the previous version and 
did "Continue interupted download"  without changing 
anything else. The result was the behaviour as described in 
the original post.

> Can you also turn on the debugging mode to 'verbose', and 
> find the occurences of this link in the hts-log.txt file 
to 
> figure out why it was accepted? (you should see something 
> like 'wizard) explicit authorized link: ..'

Will do that..

Thanks Juergen