1. Its not a transparent proxy. 2. My clients get wpad configuration from AD server. So there are two question. 2.1 :I know that wpad is used to identify proxy server and port(and rest other bypass rules). When clients resolve to wpad.abc.com, is there way that I can overwrite the wpad file off client. Like creating a webserver to to serve wpad file and I change /etc/hosts file to "<myhwebserveripaddress> wpad.abc.com" 2.2 Is there any other way to tell clients via squid server, to do not come to squid server and re initiate the request.
On 24 July 2015 at 21:10, Jagannath Naidu < jagannath.na...@fosteringlinux.com> wrote: > > > On 24 July 2015 at 21:05, Jagannath Naidu < > jagannath.na...@fosteringlinux.com> wrote: > >> Dear List, >> >> I have been working on this for last two weeks, but never got it >> resolved. >> >> We have a application server (SERVER) in our local network and a desktop >> application (CLIENT). The application picks proxy settings from IE. And we >> also have a wensense proxy server >> >> case 1: when there is no proxy set >> application works. No logs in squid server access.log >> >> case 2: when proxy ip address set and checked "bypass local network" >> application works. No logs in squid server access.log >> >> case 3: when proxy ip address is set to wensense proxy server. UNCHECKED >> "bypass local network" >> application works. We dont have access to websense server and hence we >> can not check logs >> >> >> case 4: when proxy ip address is set to proxy server ip address. >> UNCHECKED "bypass local network" >> application does not work :-(. Below are the logs. >> >> >> 1437751240.149 7 192.168.122.1 TCP_MISS/404 579 GET >> http://dlwvdialce.htmedia.net/UADInstall/UADPresentationLayer.application >> - HIER_DIRECT/10.1.4.46 text/html >> 1437751240.992 94 192.168.122.1 TCP_DENIED/407 3757 CONNECT >> 0.client-channel.google.com:443 - HIER_NONE/- text/html >> 1437751240.996 0 192.168.122.1 TCP_DENIED/407 4059 CONNECT >> 0.client-channel.google.com:443 - HIER_NONE/- text/html >> 1437751242.327 5 192.168.122.1 TCP_MISS/404 579 GET >> http://dlwvdialce.htmedia.net/UADInstall/uadprop.htm - HIER_DIRECT/ >> 10.1.4.46 text/html >> 1437751244.777 1 192.168.122.1 TCP_MISS/503 4048 POST >> http://cs-711-core.htmedia.net:8180/ConcertoAgentPortal/services/ConcertoAgentPortal >> - HIER_NONE/- text/html >> >> UPDATE: correct logs > > 1437752279.774 6 192.168.122.1 TCP_MISS/404 579 GET > http://dlwvdialce.htmedia.net/UADInstall/UADPresentationLayer.application > - HIER_DIRECT/10.1.4.46 text/html > 1437752281.854 5 192.168.122.1 TCP_MISS/404 579 GET > http://dlwvdialce.htmedia.net/UADInstall/uadprop.htm - HIER_DIRECT/ > 10.1.4.46 text/html > 1437752284.265 2 192.168.122.1 TCP_MISS/503 4048 POST > http://cs-711-core.htmedia.net:8180/ConcertoAgentPortal/services/ConcertoAgentPortal > - HIER_NONE/- text/html > > > >> squid -v >> Squid Cache: Version 3.3.8 >> configure options: '--build=x86_64-redhat-linux-gnu' >> '--host=x86_64-redhat-linux-gnu' '--program-prefix=' '--prefix=/usr' >> '--exec-prefix=/usr' '--bindir=/usr/bin' '--sbindir=/usr/sbin' >> '--sysconfdir=/etc' '--datadir=/usr/share' '--includedir=/usr/include' >> '--libdir=/usr/lib64' '--libexecdir=/usr/libexec' >> '--sharedstatedir=/var/lib' '--mandir=/usr/share/man' >> '--infodir=/usr/share/info' '--disable-strict-error-checking' >> '--exec_prefix=/usr' '--libexecdir=/usr/lib64/squid' '--localstatedir=/var' >> '--datadir=/usr/share/squid' '--sysconfdir=/etc/squid' >> '--with-logdir=$(localstatedir)/log/squid' >> '--with-pidfile=$(localstatedir)/run/squid.pid' >> '--disable-dependency-tracking' '--enable-eui' >> '--enable-follow-x-forwarded-for' '--enable-auth' >> '--enable-auth-basic=DB,LDAP,MSNT,MSNT-multi-domain,NCSA,NIS,PAM,POP3,RADIUS,SASL,SMB,getpwnam' >> '--enable-auth-ntlm=smb_lm,fake' >> '--enable-auth-digest=file,LDAP,eDirectory' >> '--enable-auth-negotiate=kerberos' >> '--enable-external-acl-helpers=file_userip,LDAP_group,time_quota,session,unix_group,wbinfo_group' >> '--enable-cache-digests' '--enable-cachemgr-hostname=localhost' >> '--enable-delay-pools' '--enable-epoll' '--enable-icap-client' >> '--enable-ident-lookups' '--enable-linux-netfilter' >> '--enable-removal-policies=heap,lru' '--enable-snmp' '--enable-ssl' >> '--enable-ssl-crtd' '--enable-storeio=aufs,diskd,ufs' '--enable-wccpv2' >> '--enable-esi' '--enable-ecap' '--with-aio' '--with-default-user=squid' >> '--with-filedescriptors=16384' '--with-dl' '--with-openssl' >> '--with-pthreads' 'build_alias=x86_64-redhat-linux-gnu' >> 'host_alias=x86_64-redhat-linux-gnu' 'CFLAGS=-O2 -g -pipe -Wall >> -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector-strong >> --param=ssp-buffer-size=4 -grecord-gcc-switches -m64 -mtune=generic >> -fpie' 'LDFLAGS=-Wl,-z,relro -pie -Wl,-z,relro -Wl,-z,now' 'CXXFLAGS=-O2 >> -g -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions >> -fstack-protector-strong --param=ssp-buffer-size=4 -grecord-gcc-switches >> -m64 -mtune=generic -fpie' >> 'PKG_CONFIG_PATH=%{_PKG_CONFIG_PATH}:/usr/lib64/pkgconfig:/usr/share/pkgconfig' >> >> >> squid.conf >> >> acl localnet src 10.0.0.0/8 # RFC1918 possible internal network >> acl localnet src 172.16.0.0/12 # RFC1918 possible internal network >> acl localnet src 192.168.0.0/16 # RFC1918 possible internal network >> acl localnet src fc00::/7 # RFC 4193 local private network range >> acl localnet src fe80::/10 # RFC 4291 link-local (directly plugged) >> machines >> 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 Safe_ports port 8180 >> acl CONNECT method CONNECT >> acl wvdial dst 10.1.4.45 10.1.4.50 10.1.4.53 10.1.4.48 10.1.4.54 >> 10.1.4.46 10.1.4.51 10.1.4.47 10.1.4.55 10.1.4.49 10.1.4.52 10.1.2.4 >> http_access allow wvdial >> acl dialer dstdomain .htmedia.net >> http_access allow dialer >> http_access deny !Safe_ports >> http_access deny CONNECT !SSL_ports >> http_access allow localhost manager >> http_access deny manager >> visible_hostname = NOIDAPROXY01.MYDOMAIN.NET >> append_domain .mydomain.net >> ignore_expect_100 on >> dns_v4_first on >> auth_param ntlm program /usr/bin/ntlm_auth --diagnostics >> --helper-protocol=squid-2.5-ntlmssp --domain=HTMEDIA.NET >> auth_param ntlm children 1000 >> auth_param ntlm keep_alive off >> auth_param basic program /usr/bin/ntlm_auth >> --helper-protocol=squid-2.5-basic >> auth_param basic children 100 >> auth_param basic realm Squid proxy-caching web server >> auth_param basic credentialsttl 2 hours >> acl auth proxy_auth REQUIRED >> http_access allow all auth >> http_access allow localnet >> http_access allow localhost >> http_access deny all >> http_port 0.0.0.0:8080 >> coredump_dir /var/spool/squid >> refresh_pattern ^ftp: 1440 20% 10080 >> refresh_pattern ^gopher: 1440 0% 1440 >> refresh_pattern -i (/cgi-bin/|\?) 0 0% 0 >> refresh_pattern . 0 20% 4320 >> >> >> It was the same behavior with squid-3.1.10-19. I thought, upgrading to >> squid 3.3 would help. Please help me resolving this mystery. >> >> >> -- >> Thanks & Regards >> >> Jagannath Naidu >> >> > > > -- > Thanks & Regards > > B Jagannath > Keen & Able Computers Pvt. Ltd. > +919871324006 > -- Thanks & Regards B Jagannath Keen & Able Computers Pvt. Ltd. +919871324006
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