Virtual hosts not working

Hello,

I was just trying to use Tux with virtual hosts. I've set up the following
directory structure:

/www/bla
/www/blorb
/www/blub

So that people requesting www.bla.com would get the content in /www/bla etc.

Now in /proc/sys/net/tux I did

$ echo 1 > virtual_server
$ echo "/www/" > documentroot
$ echo 2 > strip_host_tail

At that point, Tux became almost unresponsive and didn't server any pages.
Did I do something wrong? I monitored /proc/kmsg but nothing showed up
there. I use Linux 2.6.5.

Thanks,

Johann