Hey Andreas, What do you see in the access.log when you try to access the website? Also try to change the behavior of: http://www.squid-cache.org/Doc/config/forwarded_for/ Eliezer On 07/08/2014 06:13 PM, Andreas.Reschke@xxxxxxxxx wrote:
Hello there, is there a special configuration of squid to allow connections for a Citrix ICA-Client to go through to proxy? We're not able to connect the Citrix ICA-Client (Web) through our squid proxy to a Citrix server outside in the internet. With the Microsoft ISA-Proxy it does. Our squid.conf: bgstproxyls01:~ # cat /etc/squid/squid.conf # # Recommended minimum configuration: # acl snmppublic snmp_community squid snmp_port 3401 snmp_incoming_address 10.143.153.27 snmp_outgoing_address 10.143.153.27 snmp_access allow all client_db off half_closed_clients off via off cache_mem 4096 MB ipcache_size 2028 fqdncache_size 2048 hosts_file /etc/hosts memory_pools off maximum_object_size 50 MB quick_abort_min 0 KB quick_abort_max 0 KB log_icp_queries off buffered_logs on dns_nameservers 10.20.94.32 # acl manager proto cache_object # acl localhost src 127.0.0.1 # ::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 # neu acl SSL method CONNECT acl CONNECT method CONNECT ##### erlaubte Seiten ohne Internetberechtigung acl open-sites dstdomain "/etc/squid/open-sites.txt" ##### erlaubte Seiten ohne Internetberechtigung ##### verbotene Seiten acl denied-sites url_regex "/etc/squid/denied-sites.txt" acl selling-sites url_regex "/etc/squid/selling-sites.txt" acl social-sites url_regex "/etc/squid/social-sites.txt" ##### verbotene Seiten acl allowedurls dstdomain "/etc/squid/bypass.txt" external_acl_type LDAPLookup children-startup=10 children-idle=30 children-max=80 ttl=600 negative_ttl=30 %LOGIN /usr/sbin/ext_ldap_group_acl -d -b "dc=behrgroup,dc=net" -D "CN=BGST-S-SQUID,OU=Service Accounts,OU=bgst,OU=de,DC=behrgroup,DC=net" -W /etc/squid/ppp -f "(&(objectclass=user)(sAMAccountName=%v)(memberof:1.2.840.113556.1.4.1941:=CN=%a,OU=groups,OU=Proxy,OU=Global Groups,DC=behrgroup,dc=net))" -h 10.20.94.32 ## DEBUGGING #debug_options 28,9 #debug_options ALL,5 33,2 28,9 44,3 # local & manager http_access allow manager localhost http_access deny manager # nur safe & SSL ab hier http_access deny !Safe_ports http_access deny CONNECT !SSL_ports deny_infohttp://bgstproxyls01/denied.html denied-sites # Squid normally listens to port 3128 http_port 3128 # Leave coredumps in the first cache dir coredump_dir /var/cache/squid # 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 ### pure ntlm authentication auth_param ntlm program /usr/bin/ntlm_auth --helper-protocol=squid-2.5-ntlmssp --domain=BEHRGROUP.NET auth_param ntlm children 128 auth_param ntlm keep_alive off # Zeit-Steuerung für Indien acl indien proxy_auth external LDAPLookup GGPY-LO-Web-Time-Limited acl DAY time 05:30-13:30 # Zeit-Steuerung für Indien acl chkglwebhttp external LDAPLookup GGPY-LO-Web-Http acl sellingUser external LDAPLookup GGPY-LO-Web-Allowed-Selling acl socialUser external LDAPLookup GGPY-LO-Web-Allowed-Social acl allforbUser external LDAPLookup GGPY-LO-Web-Allowed-All acl ftpputUser external LDAPLookup GGPY-LO-Web-Ftp-Put acl loggingUser external LDAPLookup GGPY-LO-Web-Log-User acl auth proxy_auth REQUIRED # bestimmte IP-adressen erlauben acl permitt_ips src 10.143.10.247/32 acl FTP proto FTP acl PUT method PUT # whitelisten http_access allow open-sites all http_access allow localhost http_access allow permitt_ips !denied-sites !social-sites http_access allow indien DAY http_access deny indien http_access deny !chkglwebhttp http_access allow selling-sites sellingUser http_access allow social-sites socialUser # Denied sites rauswerfen, wenn sie nicht ebenfalls in allforbUser stehen http_access allow denied-sites allforbUser http_access deny denied-sites all # tötet alles was in denied-sites steht und "all" ist; also alles was in denied-sites steht, das all kann eigenltich weg. # FTP Regelungen http_access allow FTP PUT ftpputUser http_access deny FTP PUT # Test fuer Feuerecker http_access allow allowedurls # Wer nicht in Listen steht, sich aber trotzdem authentifizieren kann darf durch http_access allow all auth http_access allow auth # Wer hier noch nicht durch ist fliegt raus http_access deny all # access_log daemon:/usr/local/squid/var/logs/access.log squid access_log udp://127.0.0.1:7777 squid ######## cache_peer 194.99.121.200 parent 3128 0 no-query no-digest no-netdb-exchange always_direct deny all never_direct allow all ################### icap_enable on icap_send_client_ip on icap_send_client_username on icap_client_username_encode off icap_client_username_header X-Authenticated-User icap_preview_enable on icap_preview_size 128 ################# ## Tred Micro anti virus icap_service service_1 reqmod_precache bypass=on icap://10.143.154.23:1344/REQ-Service icap_service service_2 respmod_precache bypass=on icap://10.143.154.23:1344/respmod adaptation_access service_1 allow all adaptation_access service_2 allow all adaptation_service_set class_1 service_1 adaptation_service_set class_2 service_2 adaptation_access class_1 allow all adaptation_access class_2 allow all ## Tred Micro anti virus redirect_children 20 url_rewrite_program /usr/sbin/squidGuard -c /etc/squidguard.conf url_rewrite_children 200 Mit freundlichen Grüßen / Kind regards Mr. Andreas Reschke andreas.reschke@xxxxxxxxx,http://www.mahle.com
