Hi, I'm wondering if anyone can help me. I'm unable to cache the following URL and there is a HTTP header: http://10.10.202.126/services/json?method=media.getFiles&filters[moderationStatus]=notdenied&filters[parentid]=5050233&filters[context]=comment&noCache=0&sort=upload+DESC&limit=5&start=0&fields[0]=filetype&fields[1]=uid&fields[2]=user_name&fields[3]=votecount&fields[4]=author&fields[5]=upload&fields[6]=message&fields[7]=publicUrl&fields[8]=status&fields[9]=avatar&fields[10]=user_firstname&fields[11]=user_lastname&vhost=123&APIKEY=19b3b6ffe399eb681aa3372cc2cbd6a2 GET /services/json?method=media.getFiles&filters[moderationStatus]=notdenied&filters[parentid]=5050233&filters[context]=comment&noCache=0&sort=upload+DESC&limit=5&start=0&fields[0]=filetype&fields[1]=uid&fields[2]=user_name&fields[3]=votecount&fields[4]=author&fields[5]=upload&fields[6]=message&fields[7]=publicUrl&fields[8]=status&fields[9]=avatar&fields[10]=user_firstname&fields[11]=user_lastname&vhost=123&APIKEY=19b3b6ffe399eb681aa3372cc2cbd6a2 HTTP/1.1 Host: 10.10.202.126 User-Agent: Mozilla/5.0 (Windows NT 5.1; rv:8.0) Gecko/20100101 Firefox/8.0 Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8 Accept-Language: en-us,en;q=0.8,fr-ca;q=0.5,ru;q=0.3 Accept-Encoding: gzip, deflate Accept-Charset: ISO-8859-1,utf-8;q=0.7,*;q=0.7 DNT: 1 Connection: keep-alive Cookie: SABRE_ID=8961c05907e412b9bdcfcb3a2364b31a HTTP/1.0 200 OK Date: Tue, 15 Nov 2011 14:37:43 GMT Server: Apache Accept-Ranges: bytes P3P: CP="IDC DSP COR ADM DEVi TAIi PSA PSD IVAi IVDi CONi HIS OUR IND CNT" X-FM: ip-10-85-159-13 Expires: Thu, 19 Nov 1981 08:52:00 GMT Cache-Control: no-store, no-cache, must-revalidate, post-check=0, pre-check=0 Pragma: no-cache Content-Type: application/json X-Cache: MISS from ip-10-85-159-13.ec2.internal, MISS from fmgateway-test.testdmz.pelmorex.com X-Cache-Lookup: MISS from ip-10-85-159-13.ec2.internal:80, MISS from fmgateway-test.testdmz.pelmorex.com:80 Via: 1.1 ip-10-85-159-13.ec2.internal:80 (squid), 1.0 fmgateway-test.testdmz.pelmorex.com (squid/3.1.4) Connection: close Here is the squid.conf: [root@fmgateway-test squid]# grep -v ^# /etc/squid/squid.conf cache_mgr netops@xxxxxxxxxxxx hosts_file /etc/hosts visible_hostname fmgateway-test.testdmz.pelmorex.com cache_effective_user squid cache_effective_group squid cache_dir ufs /var/spool/squid 4096 16 256 cache_mem 500 MB maximum_object_size_in_memory 128 KB minimum_expiry_time 120 seconds read_ahead_gap 30 KB negative_ttl 1 seconds forward_timeout 30 seconds connect_timeout 30 seconds read_timeout 30 seconds request_timeout 30 seconds persistent_request_timeout 1 minute client_lifetime 20 hours icp_port 3130 http_port 80 accel defaultsite=api.filemobile.com ignore-cc cache_peer api.filemobile.com parent 80 0 no-query originserver name=myAccel acl our_sites dstdomain api.filemobile.com http_access allow our_sites cache_peer_access myAccel allow all acl intsrc src 10.10.6.0/23 10.10.202.0/24 10.10.201.0/24 acl intdst dst 10.10.6.0/23 10.10.202.0/24 10.10.201.0/24 acl apache rep_header Server ^Apache http_reply_access allow all url_rewrite_host_header off acl CONNECT method CONNECT acl PURGE method PURGE acl POST method POST acl QUERY urlpath_regex storage acl JS urlpath_regex js no_cache deny QUERY no_cache deny POST no_cache deny JS http_access allow our_sites http_access allow all http_access allow intsrc http_access allow intdst http_access allow PURGE intsrc http_access allow PURGE all icp_access allow all acl manager proto cache_object acl localhost src 127.0.0.1/32 acl internal src 10.10.201.60/32 acl sergey src 10.10.6.164/32 acl dennis src 10.10.6.176/32 http_access allow manager localhost http_access allow manager internal cachemgr_passwd 6twN+9Mtl all request_header_access Via allow all request_header_access Age deny all request_header_access X-Cache deny all request_header_access Etag deny all request_header_access Expires deny all refresh_pattern -i ^http.*filemobile.com\/services\/php 40 90% 50 override-expire override-lastmod ignore-reload reload-into-ims ignore-no-cache refresh_pattern -i ^http.*filemobile.com\/services\/json 10 90% 10 override-expire override-lastmod ignore-reload reload-into-ims ignore-no-cache reload-into-ims ignore-no-store ignore-must-revalidate logformat combined %>a '-' '-' [%tl] "%rm %ru %>Hs HTTP/%rv" "%{User-Agent}>h" %>st %<st %Ss access_log /var/log/squid/access.log combined cache_log /var/log/squid/cache.log cache_store_log /var/log/squid/store.log buffered_logs on strip_query_terms I tried acl's but no result either: acl GET method GET acl POST method POST acl FM_url url_regex ^http//api.filemobile.com/services/json/ cache allow POST FM_url cache allow GET FM_url Thanks in advance.