To whom it may concern squid.conf: acl javascript rep_mime_type -i ^application/x-javascript$ acl manager proto cache_object acl localhost src 127.0.0.1/32 acl to_localhost dst 127.0.0.0/8 acl localnet src 172.16.0.0/12 # RFC1918 possible internal network acl SSL_ports port 443 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 http_access allow manager localhost http_access deny manager http_access deny !Safe_ports http_access deny CONNECT !SSL_ports auth_param ntlm program /usr/bin/ntlm_auth --helper-protocol=squid-2.5-ntlmssp auth_param ntlm children 10 auth_param ntlm keep_alive on http_access allow javascript acl AuthorizedUsers proxy_auth REQUIRED http_access allow localnet AuthorizedUsers http_access allow localhost http_access deny all icp_access allow localnet icp_access deny all http_port 3128 hierarchy_stoplist cgi-bin ? cache_dir ufs /var/spool/squid 100 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 #Suggested default: refresh_pattern ^ftp: 1440 20% 10080 refresh_pattern ^gopher: 1440 0% 1440 refresh_pattern (cgi-bin|\?) 0 0% 0 refresh_pattern . 0 20% 4320 cache_effective_user squid cache_effective_group squid visible_hostname xxxxxxxxxxxxxxx client_persistent_connections off server_persistent_connections off detect_broken_pconn on icp_port 3130 dns_nameservers 208.67.222.222 208.67.220.220 forwarded_for off coredump_dir /var/spool/squid Squid version: Squid Cache: Version 3.0.STABLE10 configure options: '--build=x86_64-redhat-linux-gnu' '--host=x86_64-redhat-linux-gnu' '--target=x86_64-redhat-linux-gnu' '--program-prefix=' '--prefix=/usr' '--exec-prefix=/usr' '--bindir=/usr/bin' '--sbindir=/usr/sbin' '--sysconfdir=/etc' '--includedir=/usr/include' '--libdir=/usr/lib64' '--libexecdir=/usr/libexec' '--sharedstatedir=/usr/com' '--mandir=/usr/share/man' '--infodir=/usr/share/info' '--exec_prefix=/usr' '--bindir=/usr/sbin' '--libexecdir=/usr/lib64/squid' '--localstatedir=/var' '--datadir=/usr/share' '--sysconfdir=/etc/squid' '--disable-dependency-tracking' '--enable-arp-acl' '--enable-auth=basic,digest,ntlm,negotiate' '--enable-basic-auth-helpers=LDAP,MSNT,NCSA,PAM,SMB,YP,getpwnam,multi-domain-NTLM,SASL' '--enable-negotiate-auth-helpers=squid_kerb_auth' '--enable-cache-digests' '--enable-cachemgr-hostname=localhost' '--enable-delay-pools' '--enable-digest-auth-helpers=password' '--enable-epoll' '--enable-external-acl-helpers=ip_user,ldap_group,unix_group,wbinfo_group' '--enable-icap-client' '--enable-ident-lookups' '--enable-linux-netfilter' '--enable-ntlm-auth-helpers=SMB,fakeauth' '--enable-referer-log' '--enable-removal-policies=heap,lru' '--enable-snmp' '--enable-ssl' '--enable-storeio=aufs,diskd,null,ufs' '--enable-useragent-log' '--enable-wccpv2' '--with-aio' '--with-default-user=squid' '--with-filedescriptors=16384' '--with-dl' '--with-openssl=/usr/kerberos' '--with-pthreads' 'build_alias=x86_64-redhat-linux-gnu' 'host_alias=x86_64-redhat-linux-gnu' 'target_alias=x86_64-redhat-linux-gnu' 'CFLAGS=-fPIE -Os -g -pipe -fsigned-char -O2 -g -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector --param=ssp-buffer-size=4 -m64 -mtune=generic' 'LDFLAGS=-pie' 'CXXFLAGS=-fPIE -O2 -g -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector --param=ssp-buffer-size=4 -m64 -mtune=generic' 'FFLAGS=-O2 -g -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector --param=ssp-buffer-size=4 -m64 -mtune=generic' CentOS release 5.4 (Final) 1263963136.820 240992 172.16.9.158 TCP_MISS/502 6012 GET http://googleads.g.doubleclick.net/pagead/ads? xxxxxxxxxxxx DIRECT/72.14.204.154 text/html 1263963222.311 241056 172.16.9.158 TCP_MISS/502 5654 GET http://pubads.g.doubleclick.net/gampad/ads? xxxxxxxxxxxxxxxx DIRECT/72.14.204.154 text/html 1263963463.502 241082 172.16.9.158 TCP_MISS/502 5686 GET http://pubads.g.doubleclick.net/gampad/ads? xxxxxxxxxxxx DIRECT/72.14.204.157 text/html 1263963706.332 240986 172.16.9.158 TCP_MISS/502 5618 GET http://pubads.g.doubleclick.net/gampad/ads? xxxxxxxxxxxxxx DIRECT/72.14.204.157 text/html 1263963948.744 240988 172.16.9.158 TCP_MISS/502 5800 GET http://googleads.g.doubleclick.net/pagead/ads? xxxxxxxxxxxxxxx DIRECT/72.14.204.154 text/html 1263963948.930 241143 172.16.9.158 TCP_MISS/502 5619 GET http://www.google-analytics.com/__utm.gif? xxxxxxxxxxxxxxxxx DIRECT/64.233.169.139 text/html 1263964055.276 240650 172.16.9.158 TCP_MISS/502 5954 GET http://googleads.g.doubleclick.net/pagead/ads? xxxxxxxxxxxxx DIRECT/72.14.204.154 text/html 1263964055.459 240846 172.16.9.158 TCP_MISS/502 5962 GET http://googleads.g.doubleclick.net/pagead/ads? xxxxxxxxxxxxxx DIRECT/72.14.204.156 text/html 1263964091.365 240773 172.16.9.158 TCP_MISS/502 5348 GET http://googleads.g.doubleclick.net/pagead/ads? xxxxxxxxxxxx DIRECT/72.14.204.157 text/html 1263964098.182 240866 172.16.9.158 TCP_MISS/502 5261 GET http://www.google-analytics.com/__utm.gif? xxxxxxxxxxxxxxx DIRECT/64.233.169.138 text/html 1263964382.066 240650 172.16.9.158 TCP_MISS/502 5574 GET http://googleads.g.doubleclick.net/pagead/ads? xxxxxxxxxxxxx DIRECT/72.14.204.154 text/html 1263964382.860 481725 172.16.9.158 TCP_MISS/502 5522 GET http://googleads.g.doubleclick.net/pagead/ads? xxxxxxxxxx DIRECT/72.14.204.155 text/html 1263964658.541 240658 172.16.9.158 TCP_MISS/502 6134 GET http://googleads.g.doubleclick.net/pagead/ads? xxxxxxxxxxx DIRECT/72.14.204.157 text/html 1263964658.746 240851 172.16.9.158 TCP_MISS/502 6130 GET http://googleads.g.doubleclick.net/pagead/ads? xxxxxxxxxxxxxxx DIRECT/72.14.204.156 text/html 1263964749.409 241154 172.16.9.158 TCP_MISS/502 5509 GET http://www.google-analytics.com/__utm.gif? xxxxxxxxxxxxxxx DIRECT/64.233.169.138 text/html 1263965066.424 240720 172.16.9.158 TCP_MISS/502 6248 GET http://googleads.g.doubleclick.net/pagead/ads? xxxxxxxxxxxxxxx DIRECT/72.14.204.157 text/html 1263965067.463 240875 172.16.9.158 TCP_MISS/502 6246 GET http://googleads.g.doubleclick.net/pagead/ads? xxxxxxxxxxxxxxx DIRECT/72.14.204.155 text/html 1263965431.160 240723 172.16.9.158 TCP_MISS/502 6250 GET http://googleads.g.doubleclick.net/pagead/ads? xxxxxxxxxxxxxxx DIRECT/72.14.204.157 text/html 1263965485.741 240863 172.16.9.158 TCP_MISS/502 5726 GET http://googleads.g.doubleclick.net/pagead/ads? xxxxxxxxxxxxxxx DIRECT/72.14.204.156 text/html 1263965492.019 240652 172.16.9.158 TCP_MISS/502 6410 GET http://googleads.g.doubleclick.net/pagead/ads? xxxxxxxxxxxxxxx DIRECT/72.14.204.157 text/html 1263965492.178 240822 172.16.9.158 TCP_MISS/502 6416 GET http://googleads.g.doubleclick.net/pagead/ads? xxxxxxxxxxxxxxx DIRECT/72.14.204.155 text/html 1263965628.064 240654 172.16.9.158 TCP_MISS/502 5950 GET http://googleads.g.doubleclick.net/pagead/ads? xxxxxxxxxxxxxxx DIRECT/72.14.204.154 text/html 1263965688.193 240815 172.16.9.158 TCP_MISS/502 5572 GET http://googleads.g.doubleclick.net/pagead/ads? xxxxxxxxxxxxxxx DIRECT/72.14.204.155 text/html 1263965688.231 240853 172.16.9.158 TCP_MISS/502 5578 GET http://googleads.g.doubleclick.net/pagead/ads? xxxxxxxxxxxxxxx DIRECT/72.14.204.156 text/html 1263965730.292 225899 172.16.9.158 TCP_MISS/502 4193 GET http://nixcraft.com/linux-software/485-squid-2-5-stable3-error.html xxxxxxxxxxxxxxx DIRECT/75.126.168.152 text/html ERROR The requested URL could not be retrieved Invalid Response error was encountered while trying to process the request: GET /pagead/ads?client=ca-pub-5884878215917141&format=728x90_as&output=html&h=90&w=728&lmt=1263962894&ad_type=text_image&alternate_ad_url=http%3A%2F%2Fgmane.org%2Fblank.php&color_bg=FFFFFF&color_border=FFFFFF&color_link=002390&color_text=000000&color_url=000000&flash=10.0.32&url=http%3A%2F%2Farticle.gmane.org%2Fgmane.comp.web.squid.general%2F77905&dt=1263962895706&correlator=1263962895712&frm=0&ga_vid=1818576121.1263962896&ga_sid=1263962896&ga_hid=1380304372&ga_fc=0&u_tz=120&u_his=1&u_java=0&u_h=1024&u_w=1280&u_ah=1024&u_aw=1280&u_cd=32&u_nplug=8&u_nmime=24&biw=1263&bih=862&ref=http%3A%2F%2Fwww.google.co.za%2Furl%3Fsa%3Dt%26source%3Dweb%26ct%3Dres%26cd%3D1%26ved%3D0CAkQFjAA%26url%3Dhttp%253A%252F%252Farticle.gmane.org%252Fgmane.comp.web.squid.general%252F77905%26rct%3Dj%26q%3DTCP_MISS%252F502%2Bsolved%2Bsquid%26ei%3DyIpWS7_FN5WHlAfStPDyAw%26usg%3DAFQjCNGDv9EHtorrL30y-3aYaWt_UBHeog&loc=http%3A%2F%2Farticle.gmane.org%2Fgmane.comp.web.squid.general%2F77905&fu=0&ifi=1&dtd=145&xpc=SMG2BszZPp&p=http%3A//article.gmane.org HTTP/1.1 Host: googleads.g.doubleclick.net User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-GB; rv:1.9.1.7) Gecko/20091221 Firefox/3.5.7 (.NET CLR 3.5.30729) Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8 Accept-Language: en-gb,en;q=0.5 Accept-Encoding: gzip,deflate Accept-Charset: ISO-8859-1,utf-8;q=0.7,*;q=0.7 Keep-Alive: 300 Proxy-Connection: keep-alive Referer: http://article.gmane.org/gmane.comp.web.squid.general/77905 Cookie: test_cookie=CheckForPermission Proxy-Authorization: NTLM TlRMTVNTUAADAAAAGAAYAIgAAAAYABgAoAAAABAAEABIAAAAHgAeAFgAAAASABIAdgAAAAAAAAC4AAAABYKIogUBKAoAAAAPVABCAEEARgBSAEkAQwBBAGQAYQB3AGkAZQAuAHAAcgBlAHQAbwByAGkAdQBzAEQAQQBXAEkARQBQAC0ATABUAMBRJyr+muEgAAAAAAAAAAAAAAAAAAAAAOx8gnwh9ncq6+oGVOtvWsxIz2PI8DqcnA== The HTTP Response message received from the contacted server could not be understood or was otherwise malformed. Please contact the site operator. Your cache administrator may be able to provide you with more details about the exact nature of the problem if needed. Your cache administrator is root. Generated Wed, 20 Jan 2010 04:52:16 GMT by XXXXXXXXXXXXX (squid/3.0.STABLE10) Error TCP_MISS/502 followed by this page gets displayed, when disabling proxy googleads.g.doubleclick.net/pagead/ads? Displays fine, is there something is squid.conf that is causing this not to load? Please come back to me, thank you Note: Privileged/Confidential information may be contained in this message and may be subject to legal privilege. Access to this e-mail by anyone other than the intended is unauthorised. If you are not the intended recipient (or responsible for delivery of the message to such person), you may not use, copy, distribute or deliver to anyone this message (or any part of its contents ) or take any action in reliance on it. 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