Hi, Something like this in httpd.conf works for me: <IfModule mod_headers.c> <LocationMatch \.(js|gif|jpe?g|css)> Header append "Cache-Control" "public" </LocationMatch> <LocationMatch \.s?html> Header append "Cache-Control" "private" </LocationMatch> </IfModule> so without the LocationMatch it could handle everything I think. Jeremy -----Original Message----- From: Mohammed Salih [mailto:linusali@xxxxxxxxx] Sent: 21 April 2008 13:09 To: users@xxxxxxxxxxxxxxxx Subject: Adding a Header to the httpd response Hi All, How can I add a header, if it is not set by the application. I want to add Cache-Control header to all http responses, if it is not set by the back-end application like PHP or application server like tomcat. I tried a combination of SetEnvIf and Header, but SetEnvIf is only fused for requests. Can any one please guide me in the right path? (Sorrmy English is poor) Thanks in advance. Salih --------------------------------------------------------------------- The official User-To-User support forum of the Apache HTTP Server Project. See <URL:http://httpd.apache.org/userslist.html> for more info. To unsubscribe, e-mail: users-unsubscribe@xxxxxxxxxxxxxxxx " from the digest: users-digest-unsubscribe@xxxxxxxxxxxxxxxx For additional commands, e-mail: users-help@xxxxxxxxxxxxxxxx -------------------------------------------------------------------- This email has been scanned for viruses and other threats using Newsquest's Ironport email filters This e-mail, including any attachment, is private and confidential. It should not be read, copied, disclosed or otherwise used by any person other than the intended recipient(s). If you have received this e-mail in error, please notify the sender immediately. Newsquest reserves the right to monitor e-mails in accordance with the Telecommunications (Lawful Business Practice) (Interception of Communications) Regulations 2000. Newsquest Limited. Registered in England, number 3105111 . Registered office: 58 Church Street, Weybridge, Surrey KT13 8DP -------------------------------------------------------------------- --------------------------------------------------------------------- The official User-To-User support forum of the Apache HTTP Server Project. See <URL:http://httpd.apache.org/userslist.html> for more info. To unsubscribe, e-mail: users-unsubscribe@xxxxxxxxxxxxxxxx " from the digest: users-digest-unsubscribe@xxxxxxxxxxxxxxxx For additional commands, e-mail: users-help@xxxxxxxxxxxxxxxx