AuthName "Ny version af ThomasDamgaard.dk"
AuthType Basic
<Limit GET POST>
  order deny,allow
  Deny From All
  Allow From 83.91.103.250
</limit>

error.log:
[Wed Jul 05 10:02:50 2006] [alert] [client 83.91.103.250] /data/www/virtual/thomasdamgaard.dk/htdocs/new/.htaccess: order not allowed here