Thanks Ronny Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit Hi comrades am running 2.5STABLE7(transparent) on redhat.Problem is am seeing many of these messages in the cache.log file Config 'request_header_max' =20480 bytes Request_header is too large (XXXXX) where XXXXX is more than 20480 bytes the default value . Now seems it's a DOS attack or buffer overflow as from the FAQs.Can you advise please seems my cache is under stress. Thanks Ronny -- *************************************************************************** / ''We can't become what we need to be by remaining what we are''\ \ ,, ,,/ ***************************************************************************