Hi All, The file had been downloaded successfully, but it didn't been cached, then you tried to download it a more few times, now it been cached, why? Could you tell me how to debug it? cache_replacement_policy heap GDSF memory_replacement_policy heap GDSF maximum_object_size 1024 MB maximum_object_size_in_memory 16 MB cache_dir aufs /usr/local/squid/var/cache 307200 256 256 cache_mem 6144 MB cache_store_log none cache_peer apserver.domain parent 9443 0 no-query originserver name=httpsAccel ssl login=PROXYPASS sslflags=DONT_VERIFY_PEER cache_peer_access httpsAccel allow all coredump_dir /usr/local/squid/var/cache http_port 3128 http_access allow all https_port 9443 cert=/usr/local/squid/etc/server.pem accel key=/usr/local/squid/etc/privkey.pem vhost refresh_pattern . 0 20% 4320 cache_mgr admin cachemgr_passwd 123456 all buffered_logs on visible_hostname proxyserver.domain Best Regards! Makson