Hello, we suddenly today we cant open facebook and we need it urgently for work. There is no DNS Issue, all i get is a blank page and nothing happens. Before it was everything ok... Any ideas?? Here is access.log 1279813884.035 144 192.168.169.238 TCP_MISS/200 1704 GET http://static.ak.fbcdn.net/rsrc.php/zANMV/hash/9hba0udp.css - DIRECT/65.216.161.59 text/css 1279813885.265 2175 192.168.169.238 TCP_MISS/200 793 GET http://www.facebook.com/? - DIRECT/66.220.147.11 text/html 1279813887.957 5110 192.168.169.238 TCP_MISS/404 11091 GET http://www.facebook.com/t - DIRECT/66.220.147.11 text/html 1279813888.020 1558 192.168.169.238 TCP_MISS/200 453 GET http://www.facebook.com/? - DIRECT/66.220.147.11 text/html 1279813893.897 9622 192.168.169.238 TCP_MISS/200 688 GET http://search.twitter.com/search.json? - DIRECT/128.242.245.43 application/json iptables proxy rules: echo "Aplicando reglas iptables..." iptables -t nat -F iptables -t nat -X iptables -t nat -Z iptables -F iptables -X iptables -Z ## iptables -P INPUT ACCEPT iptables -P OUTPUT ACCEPT iptables -P FORWARD ACCEPT iptables -t nat -P PREROUTING ACCEPT iptables -t nat -P POSTROUTING ACCEPT ## iptables -t nat -A POSTROUTING -s 192.168.169.0/24 -o eth2 -j MASQUERADE iptables -t nat -A PREROUTING -s 192.168.169.0/24 -d ! 192.168.169.0/24 -p tcp --dport 80 -j REDIRECT --to-port 3128 ## iptables -A FORWARD -s 192.168.169.0/24 -i eth2 -p tcp --dport 993 -j ACCEPT iptables -A FORWARD -s 192.168.169.0/24 -i eth2 -p tcp --dport 110 -j ACCEPT iptables -A FORWARD -s 192.168.169.0/24 -i eth2 -p tcp --dport 465 -j ACCEPT iptables -A FORWARD -s 192.168.169.0/24 -i eth2 -p tcp --dport 25 -j ACCEPT iptables -A FORWARD -s 192.168.169.0/24 -i eth2 -p tcp --dport 80 -j ACCEPT iptables -A FORWARD -s 192.168.169.0/24 -i eth2 -p tcp --dport 443 -j ACCEPT iptables -A FORWARD -s 192.168.169.0/24 -i eth2 -p tcp --dport 53 -j ACCEPT iptables -A FORWARD -s 192.168.169.0/24 -i eth2 -p udp --dport 53 -j ACCEPT iptables -A FORWARD -s 192.168.2.0/24 -i eth2 -p tcp --dport 1863 -j ACCEPT ## echo 1 > /proc/sys/net/ipv4/ip_forward squid.conf http_port 192.168.169.3:3128 transparent cache_dir ufs /usr/local/squid/var/cache 250 16 256 cache_effective_user squid cache_effective_group squid access_log /usr/local/squid/var/logs/access.log squid ################################ acl localnet src 192.168.169.0/255.255.255.0 acl localhost src 127.0.0.1/255.255.255.255 acl all src 0.0.0.0/0.0.0.0 ########################### acl SSL_ports port 443 563 acl Safe_ports port 80 # http acl Safe_ports port 21 # ftp acl Safe_ports port 443 # https acl Safe_ports port 70 # gopher acl Safe_ports port 210 # wais acl Safe_ports port 1025-65535 # unregistered ports acl Safe_ports port 280 # http-mgmt acl Safe_ports port 488 # gss-http acl Safe_ports port 591 # filemaker acl Safe_ports port 777 # multiling http acl CONNECT method CONNECT #### SITIOS BLOKEADOS ##### acl restobb src 192.168.169.1-192.168.169.129 acl sucky_urls dstdomain .facebook.com .twitter.com .doubleclick.com .fotolog.com .warez-bb.org .fotolog.cl .chilewarez.org .rapidshare.com .megaupload.com .rapidshare.de .medi$ deny_info http://www.trabajoweb.cl/error.html sucky_urls http_access deny restobb sucky_urls ######################## NO DESCARGAS ##### acl resto src 192.168.169.1-192.168.169.29/32 acl descargas_negadas urlpath_regex -i \.(exe|vqf|gz|zip|r[ap][rwm]|avi|mpe?g?3?|qt|ra?m|iso|wav|mov|torrent)(\?.*)?$ deny_info http://www.trabajoweb.cl/error.html descargas_negadas http_access deny resto descargas_negadas ######################## SITIOS PROYECTOS ############### acl restobb2 src 192.168.169.130-192.168.169.149 acl sucky_urls2 dstdomain .doubleclick.com .warez-bb.org .fotolog.cl .chilewarez.org .rapidshare.com .megaupload.com .rapidshare.de .mediafire.com .depositfiles.com .taringa.co$ deny_info http://www.trabajoweb.cl/error.html sucky_urls2 http_access deny restobb2 sucky_urls2 ######################## ######################## SITIOS ESTUDIO ############### acl restobb3 src 192.168.169.190-192.168.169.219 acl sucky_urls3 dstdomain .doubleclick.com .warez-bb.org .fotolog.cl .chilewarez.org .rapidshare.com .megaupload.com .rapidshare.de .mediafire.com .depositfiles.com .taringa.co$ deny_info http://www.trabajoweb.cl/error.html sucky_urls2 http_access deny restobb3 sucky_urls2 ######################## ######################## http_access allow localnet http_access allow localhost http_access deny all http_access deny !Safe_ports http_access deny CONNECT !SSL_ports ############################## http_reply_access allow localnet http_reply_access deny all acl FTP proto FTP always_direct allow FTP ############################# #REGLAS DESCARGAS acl normales src 192.168.169.30-192.168.169.129/32 acl tecnicos src 192.168.169.130-192.168.169.149/32 acl administrador src 192.168.169.150-192.168.169.189/32 acl estudio src 192.168.169.190-192.168.169.219/32 acl descargas urlpath_regex -i \.(exe|vqf|gz|zip|r[ap][rwm]|avi|mpe?g?3?|qt|ra?m|iso|wav|mov)(\?.*)?$ delay_pools 4 #### delay_class 1 1 delay_parameters 1 10240/10485760 10240/10485760 delay_access 1 allow normales descargas delay_access 1 deny all ### ### delay_class 2 1 delay_parameters 2 30720/104857600 30720/104857600 delay_access 2 allow tecnicos descargas delay_access 2 deny all #### delay_class 3 1 delay_parameters 3 30720/104857600 30720/104857600 delay_access 3 allow administrador descargas delay_access 3 deny all ### delay_class 4 1 delay_parameters 4 10240/10240 10240/10240 delay_access 4 allow estudio delay_access 4 deny all -- Atte Jorge Perez V. Departamento de informática Anexo: 359