Hi recently upgraded to squid-3.5.11-1.el6.x86_64 from the centos 6.7 squid 3.1 I am now having problems with people who use active sync via this connection . seems like emails with attachments aren't making it through . cache_peer 10.32.69.11 parent 443 0 proxy-only no-query no-digest originserver login=PASS front-end-https=on ssl sslflags=DONT_VERIFY_PEER sslcert=/etc/httpd/conf.d/office.yx.com.crt sslkey=/etc/httpd/conf.d/office.yx.com.key name=exchangeServer cache_peer 127.0.0.1 parent 443 0 proxy-only no-query no-digest originserver login=PASS ssl sslflags=DONT_VERIFY_PEER sslcert=/etc/httpd/conf.d/office.yx.com.crt sslkey=/etc/httpd/conf.d/office.yx.com.key name=webServer c # List of acceptable URLs to send to the Exchange server acl exch_url url_regex -i office.yieldbroker.com/exchange acl exch_url url_regex -i office.yieldbroker.com/exchweb acl exch_url url_regex -i office.yieldbroker.com/public acl exch_url url_regex -i office.yieldbroker.com/owa acl exch_url url_regex -i office.yieldbroker.com/ecp acl exch_url url_regex -i office.yieldbroker.com/microsoft-server-activesync acl exch_url url_regex -i office.yieldbroker.com/rpc acl exch_url url_regex -i office.yieldbroker.com/rpcwithcert acl exch_url url_regex -i office.yieldbroker.com/exadmin acl exch_url url_regex -i office.yieldbroker.com/oab # added after acl exch_url url_regex -i office.yieldbroker.com/ews # Not configured on exchange 2010 #acl exch_url url_regex -i office.yieldbroker.com/autodiscover # Send the Exchange URLs to the Exchange server cache_peer_access exchangeServer allow exch_url # Send everything else to the Apache cache_peer_access webServer deny exch_url # This is to protect Squid never_direct allow exch_url # Logging Configuration redirect_rewrites_host_header off cache_mem 32 MB maximum_object_size_in_memory 128 KB cache_log none cache_store_log none access_log stdio:/var/log/squid/office-access.log squid #access_log none cache_log /var/log/squid/office-cache.log #cache_log none pid_filename /var/run/squid-office.pid # Set the hostname so that we can see Squid in the path (Optional) visible_hostname yieldbroker.com deny_info TCP_RESET all # ACL - required to allow #acl all src ALL # Allow everyone through, internal and external connections http_access allow all miss_access allow all icp_port 0 snmp_port 0 via off The previous setup had worked for at least 18 months. Alex _______________________________________________ squid-users mailing list squid-users@xxxxxxxxxxxxxxxxxxxxx http://lists.squid-cache.org/listinfo/squid-users