Does the expires directive add the head if the Expire head not exist?

[Igor Sysoev]

On Fri, Aug 15, 2008 at 05:42:06PM +0800, Delta Yeh wrote:

> I want to use "expires" directive to  decrease the sever load.
> My question is if there is no Expires head from the backend server , does
> nginx add such head?

nginx's expires overrides backend headers.


-- 
Igor Sysoev
http://sysoev.ru/en/