Hi every one I was playing with my squid3 (( Squid Cache: Version 3.1.6 )) on debian 6 configuration that i noticed something NOT normal happening. when i put the proxy setting on firefox and i try to download files bigger than 40 MB i got the error " The request or reply is too large. " but when i put the proxy settings in proxifire and try to download file bigger than 40 MB with firefox its able to download the file . (( on this situation firefox get data from proxifire i can see its connections on proxifire )) here is my configuration : --------------------------------------------------- http_port 2222 name=special-port acl special-port-users myportname special-port ########## auth_param basic program /usr/lib/squid3/ncsa_auth /etc/squid3/password-squid auth_param basic utf8 on auth_param basic children 10 start=1 idle=1 auth_param basic realm Enter User & Enter Pass auth_param basic credentialsttl 45 minutes auth_param basic casesensitive off #authenticate_ip_ttl 20 second acl special-users proxy_auth REQUIRED acl max_ip max_user_ip -s 2 acl max-connections maxconn 60 http_access deny max_ip http_access deny max-connections delay_pools 1 delay_class 1 4 delay_parameters 1 1000000/1000000 1000000/1000000 40000/40000 40000/40000 delay_access 1 allow special-users delay_access 1 deny all reply_body_max_size 40 MB special-users http_access allow special-port-users special-users http_access deny all --------------------------------------------------