hi i have some problem with installing squid manually, these problem exist when i want to support the transparent mode in squid using this configuration option ./configure --prefix=/usr/local/squid3 --enable-ssl --enable-storeio=ufs,aufs --enable-removal-policies=lru,heap --enable-linux-netlter --enable-linux-tproxy --enable-zph-qos --with-openssl --with-filedescriptors=8000 the config.log file shows these errors and warning checking if Linux (Netfilter) kernel header files are installed... no configure: WARNING: Cannot find necessary Linux kernel (Netfilter) header files configure: WARNING: Linux Transparent and Intercepting Proxy support WILL NOT be enabled i downloaded the ip-filter package from the net, when i want to install this package and open the file INSTALL.Linux file to know how to install it in linux the file contain this text linux is no more supported when i configure the squid in the transparent mode, and when the client request's from the cache server, the cache.log files show transparent mode not supported what is the solution for this problem thanks and best regards