hi i have squid cache server configured in the intercept mode. i have a problem when i upload to websites, some time i can upload normally and other time when i upload a file to the internet the uploading process does not complete and the upload reduced to 0 kB please can any one help me. is there any way that squid effects on uploading data. the configuration file is acl my_network src 192.168.12.0/24 http_access allow my_network #squid default acl configuration acl manager proto cache_object acl localhost src 127.0.0.1/32 acl to_localhost dst 127.0.0.0/8 acl Safe_ports port 80 acl Safe_ports port 21 acl Safe_ports port 443 acl Safe_ports port 70 acl Safe_ports port 210 acl Safe_ports port 1025-65535 acl Safe_ports port 280 acl Safe_ports port 488 acl Safe_ports port 591 acl Safe_ports port 777 acl SSL_ports port 443 563 acl CONNECT method CONNECT http_access deny !Safe_ports http_access deny CONNECT !SSL_ports http_access allow manager localhost http_access deny manager !localhost http_port 3128 intercept http_port 8181 client_persistent_connections off server_persistent_connections off cache_effective_user proxy coredump_dir /var/coredump #define cache replacement policy memory_replacement_policy heap GDSF cache_replacement_policy heap LFUDA #define cache memory cache_mem 1024 MB #define squid log files access_log /var/log/squid3/access.log cache_store_log none cache_log /var/log/squid3/cache.log #define cache direcotry cache_dir aufs /cache/aufs 138240 16 256 cache_dir aufs /cache1/aufs1 138240 16 256 cache_dir aufs /cache2/aufs2 138240 16 256 maximum_object_size 60 MB #ipcache_size 5120 #cache_swap_low 90 #cache_swap_high 95 negative_dns_ttl 30 seconds #quick_abort_min 0 KB #quick_abort_max 0 KB cache_mgr webmaster.com cachemgr_passwd xxxxxxx all thanks with my best regards