Hey,
The issue is that CONNECT request can be passed only directly to the origin server on 3.1. Try to add: never_direct allow all To your squid.conf and see if it works. I do not remember if it works for all versions. Eliezer ---- <http://ngtech.co.il/lmgtfy/> Eliezer Croitoru Linux System Administrator Mobile: +972-5-28704261 Email: elie...@ngtech.co.il From: squid-users [mailto:squid-users-boun...@lists.squid-cache.org] On Behalf Of Nilesh Gavali Sent: Tuesday, June 14, 2016 4:43 PM To: squid-users@lists.squid-cache.org; antony.st...@squid.open.source.it Subject: [squid-users] Squid not allowing HTTPS access Hello Antony; I have setup like below :- end user >> LinuxProxy(3.1.10) >> External Proxy(3.4)>> Internet * when we configure external proxy ip in end user's IE, all HTTP & HTTPS site work properly. * when we configure Linux proxy ip in end user's IE, HTTP works fine but none of the HTTPS site open. * when we access https site from LinuxProxy, below logs are appearing in access.log TCP_DENIED/407 CONNECT sitename:443 - NONE/ text/html TCP_MISS/503 0 CONNECT sitename:443 usern...@mydomain.com <mailto:usern...@mydomain.com> DIRECT / - - TCP_MISS/200 23456 GET <http://www.anysite.com/> http://www.anysite.com usern...@mydomain.com <mailto:usern...@mydomain.com> DEFAULT_PARENT/10.10.x.x text/html what I making out from log is ( I might be wrong) - HTTPS request are going directly instead . attached is my Linux Proxy config- ================= # # Recommended minimum configuration: # #auth_param negotiate program /usr/lib64/squid/squid_kerb_auth -d -s GSS_C_NO_NAME auth_param negotiate program /usr/lib64/squid/squid_kerb_auth -s HTTP/proxy02.abcd....@abcd.com <mailto:HTTP/proxy02.abcd....@abcd.com> -d auth_param negotiate children 10 auth_param negotiate keep_alive on auth_param basic credentialsttl 2 hours acl ad_auth proxy_auth REQUIRED acl manager proto cache_object acl localhost src 127.0.0.1/32 ::1 acl to_localhost dst 127.0.0.0/8 0.0.0.0/32 ::1 # Example rule allowing access from your local networks. # Adapt to list your (internal) IP networks from where browsing # should be allowed 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 CONNECT method CONNECT # # Recommended minimum Access Permission configuration: # # Only allow cachemgr access from localhost http_access allow manager localhost http_access deny manager # Deny requests to certain unsafe ports http_access deny !Safe_ports # Deny CONNECT to other than secure SSL ports http_access deny CONNECT !SSL_ports # We strongly recommend the following be uncommented to protect innocent # web applications running on the proxy server who think the only # one who can access services on "localhost" is a local user #http_access deny to_localhost # # INSERT YOUR OWN RULE(S) HERE TO ALLOW ACCESS FROM YOUR CLIENTS # # # Example rule allowing access from your local networks. # Adapt localnet in the ACL section to list your (internal) IP networks # from where browsing should be allowed #http_access allow localnet #http_access allow localhost http_access deny !ad_auth http_access allow ad_auth # And finally deny all other access to this proxy http_access deny all # Squid normally listens to port 3128 http_port 8080 cache_peer xx.xx.2.108 parent 8080 0 default #dns_nameservers ABCDNS.ABCD.COM dns_nameservers xx.xx.2.108 # We recommend you to use at least the following line. #hierarchy_stoplist cgi-bin ? # Uncomment and adjust the following to add a disk cache directory. cache_dir ufs /var/spool/squid 2048 16 256 # Leave coredumps in the first cache dir coredump_dir /var/spool/squid # Log forwarding to SysLog access_log syslog:local1.info # Add any of your own refresh_pattern entries above these. 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 -====================================== Thanks & Regards Nilesh Suresh Gavali Tata Consultancy Services 3rd Floor, Tithebarn House Tithebarn Street Liverpool - L2 2NZ United Kingdom Mailto: nilesh.gav...@tcs.com <mailto:nilesh.gav...@tcs.com> Website: <http://www.tcs.com/> http://www.tcs.com ____________________________________________ Experience certainty. IT Services Business Solutions Consulting ____________________________________________ Tata Consultancy Services Limited , incorporated with limited liability and registered with Registrar of Companies, Mumbai, India - No: 11-84781 HQ : Nirmal Building , 9th Floor, Nariman Point, Mumbai - 400 021, India - Registered in UK : 18 Grosvenor Place, London SW1X 7HS - BR :007627 ----- Forwarded by Nilesh Gavali/MUM/TCS on 14/06/2016 14:41 ----- From: Nilesh Gavali/MUM/TCS To: squid-users@lists.squid-cache.org <mailto:squid-users@lists.squid-cache.org> Date: 13/06/2016 14:00 Subject: Squid not allowing HTTPS access _____ Hello All; Facing issue while accessing HTTPS via squid, normal http traffic working fine. I have squid 3.1.10 on RHEL.6.0 attached is my squid .conf for your reference,..help will be much appreciated. 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