Friends, I thank everyone for their help and I am grateful for everything that I am almost done, and iptables cttproxy worked with the kernel modules also but now he is not going ip valid customers and appearing so this error: 2007/10/25 15:27:23| tproxy ip=127.0.0.1,0x100007f,port=0 ERROR ASSIGN 2007/10/25 15:27:23| tproxy ip=127.0.0.1,0x100007f,port=0 ERROR ASSIGN My squid conf this way: http_port 3128 transparent tproxy cache_mem 256 MB cache_swap_low 90 cache_swap_high 95 maximum_object_size 400096 KB cache_replacement_policy lru memory_replacement_policy lru cache_dir ufs /var/spool/squid/squid 30000 16 256 cache_dir ufs /var/spool/squid/squid1 30000 16 256 cache_dir ufs /var/spool/squid/squid2 30000 16 256 access_log /var/log/squid/access.log squid cache_log /var/log/squid/cache.log cache_store_log /var/log/squid/store.log pid_filename /var/run/squid.pid client_netmask 255.255.255.255 request_header_max_size 20 KB acl all src 0.0.0.0/0.0.0.0 dns_nameservers 127.0.0.1 201.30.200.3 acl manager proto cache_object acl minha_rede src 201.30.200.0/25 189.3.1.0/24 189.3.0.0/25 acl localhost src 127.0.0.1/255.255.255.255 acl to_localhost dst 127.0.0.0/8 acl purge method PURGE http_access allow minha_rede http_access allow manager localhost http_access deny manager http_access allow purge localhost http_access deny purge http_access allow localhost http_access deny all http_reply_access allow all icp_access allow all cache_mgr rodrigofsantos@gmail.com cache_effective_user proxy cache_effective_group proxy logfile_rotate 0 forwarded_for on error_directory /usr/share/squid/errors/Portuguese tcp_outgoing_address 0 always_direct allow all wccp_router 201.30.200.1 wccp_version 42 coredump_dir /var/spool/squid -- ---------------------------------------------------- (o_ Rodrigo Ferreira Santos //\ Gerente de TI V_/_ ICQ - 15372370 aMSN - rodrigofsantos@gmail.com Linux user number 372852 ----------------------------------------------------