Hi, We are now running Squid 3.2.7 and find that our icap respmod responses are not caching, icap_service mib_request_xx reqmod_precache 0 icap://127.0.0.1:1344/xx/reqmod icap_service mib_response_xx respmod_precache 0 icap://127.0.0.1:1344/xx/respmod icap version 1.0f Request: curl -vvv --proxy 127.0.0.1:3128 http://<myicapapplication>/css/common.css < Content-Type: text/css < Cache-Control: max-age=14400 < Expires: Thu, 20 Jun 2013 11:45:26 PDT < Last-Modified: Tue, 18 Jun 2013 09:58:15 GMT < ETag: W/"56549-1371549495000" < Content-Length: 65790 < Server: Apache-Coyote/1.1 < Date: Thu, 20 Jun 2013 14:45:26 GMT < Vary: Accept-Encoding < X-Cache: MISS from myserver.com < X-Cache-Lookup: MISS from myserver:3128 < Via: internet < Connection: keep-alive Headers returned printed from app: content-type: text/css cache-control: max-age=14400 expires: Thu, 20 Jun 2013 11:45:26 PDT last-modified: Tue, 18 Jun 2013 09:58:15 GMT etag: W/"56549-1371549495000" content-length: 65790 server: Apache-Coyote/1.1 date: Thu, 20 Jun 2013 14:45:26 GMT vary: Accept-Encoding Connection: keep-alive ISTag: "RespModService" When we don't request the css file through our icap application squid caches fine, Any help would be appreciated, Thanks -Paul This message and the information contained herein is proprietary and confidential and subject to the Amdocs policy statement, you may review at http://www.amdocs.com/email_disclaimer.asp