Server-side settings prevent caching of SWF, FLV, and other video files

Next, we will list two methods to modify the server side for control:
1. IIS server
Generally, we disable caching for dynamic pages (such as ASP and PHP) by using the language itself.Set HTTP HeaderBut SWFNoDirectSet HTTP Header. You can add an HTTP header in IIS from the server side:
Cache-control: "No-Cache"
Pragma: "No-Cache"
Expires: "-1"

The operation method is shown in the figure below:

However, when setting IIS, note that if an HTTP header is set for the entire website, the content of the entire site (such as JPG, GIF, CSS, HTML, and so on) isNoThe files will be cached. This will cause the files to be downloaded again each time,NoOkay. In this case, create a virtual directory under the website andSet HTTP Header, Put the SWF file that is not cached in it.