On Mon, Apr 21, 2008 at 10:34 AM, Joshua Slive <joshua@xxxxxxxx> wrote: > On Mon, Apr 21, 2008 at 9:38 AM, Mohammed Salih <linusali@xxxxxxxxx> wrote: > > Thank you all for your reply. > > > > Yes I am using Header to set the Cache-Control header. and it is doing > > it job. but some times the application might have already set this > > header. So I want to avoid setting it again using the Header module. > > > > See example #4: > http://httpd.apache.org/docs/2.2/mod/mod_headers.html#examples > > SetEnvIf Cache-Control .+ got-cache-control=1 > Header set Cache-Control blah env=!got-cache-control Oh, wait a sec. That's not going to work because SetEnvIf matches request headers, not response headers. You could try "Header edit" using a negative-lookahead regex to exclude requests already containing something in Cache-Control. Other than that, I think this would require a simple custom module. Joshua. --------------------------------------------------------------------- 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
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