Dear all, the following website is loaded forever by FF22 (also IE9) behind a squid3 3.1.19 (stock Ubuntu 12.04 lts). I can't find a reason why this happens, any ideas? Thanks, in advance. The config: acl manager proto cache_object acl localhost src 127.0.0.1/32 acl to_localhost dst 127.0.0.0/8 0.0.0.0/32 acl our_networks src 192.168.0.0/24 10.241.0.0/24 acl SSL_ports port 21 acl SSL_ports port 443 acl SSL_ports port 873 # rsync acl Safe_ports port 21 # ftp acl Safe_ports port 70 # gopher acl Safe_ports port 80 # http acl Safe_ports port 210 # wais acl Safe_ports port 280 # http-mgmt acl Safe_ports port 443 # https acl Safe_ports port 444 # heise-svn acl Safe_ports port 488 # gss-http acl Safe_ports port 591 # filemaker acl Safe_ports port 631 # cups acl Safe_ports port 777 # multiling http acl Safe_ports port 873 # rsync acl Safe_ports port 901 # swat acl Safe_ports port 1025-65535 # unregistered ports acl apache rep_header Server ^Apache acl CONNECT method CONNECT acl QUERY urlpath_regex cgi-bin \? acl PURGE method PRURGE http_access allow manager localhost http_access deny manager http_access deny !Safe_ports http_access deny CONNECT !SSL_ports http_access deny to_localhost http_access allow localhost http_access allow our_networks http_access allow purge localhost http_access deny purge http_access deny all icp_access deny all htcp_access deny all http_port 192.168.0.44:3128 hierarchy_stoplist cgi-bin ? # maximum_object_size_in_memory 64 KB maximum_object_size_in_memory 256 KB cache_dir ufs /var/spool/squid3 512 16 256 # maximum_object_size 8192 KB logformat combined %>a %ui %un [%tl] "%rm %ru HTTP/%rv" %Hs %<st "%{Referer}>h" "%{User-Agent}>h" %Ss:%Sh access_log /var/log/squid3/access.log combined log_fqdn on ftp_user anonymous@ ftp_list_width 96 url_rewrite_program /usr/bin/squidGuard url_rewrite_children 16 refresh_pattern ^ftp: 1440 20% 10080 refresh_pattern ^gopher: 1440 0% 1440 refresh_pattern (cgi-bin|\?) 0 0% 0 refresh_pattern . 0 20% 4320 request_header_max_size 64 KB reply_header_max_size 64 KB reply_body_max_size none via off extension_methods REPORT MERGE MKACTIVITY CHECKOUT relaxed_header_parser warn forward_timeout 2 minutes cache_mgr webmaster@xxxxxxxxxxxxxx visible_hostname proxy-dsl.konrad-gmbh.de error_directory /usr/share/squid3/errors/German acl FTP proto FTP always_direct allow FTP dns_timeout 20 seconds dns_nameservers 192.168.0.20 192.168.0.15 hosts_file none forwarded_for off coredump_dir /var/spool/squid3 A small part of the log: 192.168.0.140 - - [09/Jul/2013:11:55:45 +0200] "GET http://abz-bayern.etisportal.com/abz-bayern/layout/templates/images/de.gif HTTP/1.1" 200 515 "http://abz-bayern.etisportal.com/" "Mozilla/5.0 (Windows NT 6.1; WOW64; rv:22.0) Gecko/20100101 Firefox/22.0" TCP_HIT:NONE 192.168.0.140 - - [09/Jul/2013:11:55:45 +0200] "GET http://abz-bayern.etisportal.com/abz-bayern/layout/templates/images/en.gif HTTP/1.1" 200 641 "http://abz-bayern.etisportal.com/" "Mozilla/5.0 (Windows NT 6.1; WOW64; rv:22.0) Gecko/20100101 Firefox/22.0" TCP_HIT:NONE 192.168.0.140 - - [09/Jul/2013:11:55:45 +0200] "GET http://abz-bayern.etisportal.com/abz-bayern/layout/images/pqvol.jpg HTTP/1.1" 200 3519 "http://abz-bayern.etisportal.com/" "Mozilla/5.0 (Windows NT 6.1; WOW64; rv:22.0) Gecko/20100101 Firefox/22.0" TCP_HIT:NONE 192.168.0.140 - - [09/Jul/2013:11:55:45 +0200] "GET http://abz-bayern.etisportal.com/abz-bayern/layout/templates/images/help.gif HTTP/1.1" 200 435 "http://abz-bayern.etisportal.com/" "Mozilla/5.0 (Windows NT 6.1; WOW64; rv:22.0) Gecko/20100101 Firefox/22.0" TCP_HIT:NONE 192.168.0.140 - - [09/Jul/2013:11:55:45 +0200] "GET http://abz-bayern.etisportal.com/abz-bayern/layout/templates/images/shim.gif HTTP/1.1" 200 412 "http://abz-bayern.etisportal.com/" "Mozilla/5.0 (Windows NT 6.1; WOW64; rv:22.0) Gecko/20100101 Firefox/22.0" TCP_HIT:NONE 192.168.0.140 - - [09/Jul/2013:11:55:45 +0200] "GET http://abz-bayern.etisportal.com/abz-bayern/layout/images/network.jpg HTTP/1.1" 200 7876 "http://abz-bayern.etisportal.com/" "Mozilla/5.0 (Windows NT 6.1; WOW64; rv:22.0) Gecko/20100101 Firefox/22.0" TCP_HIT:NONE 192.168.0.140 - - [09/Jul/2013:11:55:48 +0200] "GET http://abz-bayern.etisportal.com/ HTTP/1.1" 200 5706 "http://abz-bayern.etisportal.com/" "Mozilla/5.0 (Windows NT 6.1; WOW64; rv:22.0) Gecko/20100101 Firefox/22.0" TCP_MISS:DIRECT