这可以防止网站被陷害(即放在一个iframe标签),当仍然允许特定URI的框架。
<IfModule mod_deflate.c> # 强制 compression for mangled headers. # http://developer.yahoo.com/blogs/ydn/posts/2010/12/pushing-beyond-gzipping <IfModule mod_setenvif.c> <IfModule mod_headers.c> SetEnvIfNoCase ^(Accept-EncodXng|X-cept-Encoding|X{15}|~{15}|-{15})$ ^((gzip|deflate)\s*,?\s*)+|[X~-]{4,13}$ HAVE_Accept-Encoding RequestHeader append Accept-Encoding "gzip,deflate" env=HAVE_Accept-Encoding </IfModule> </IfModule> # Compress all output labeled with one of the following MIME-types # (for Apache versions below 2.3.7, you don't need to enable `mod_filter` # and can remove the `<IfModule mod_filter.c>` and `</IfModule>` lines # as `AddOutputFilterByType` is still in the core directives). <IfModule mod_filter.c> AddOutputFilterByType DEFLATE application/atom+xml \ application/javascript \ application/json \ application/rss+xml \ application/vnd.ms-fontobject \ application/x-font-ttf \ application/x-web-app-manifest+json \ application/xhtml+xml \ application/xml \ font/opentype \ image/svg+xml \ image/x-icon \ text/css \ text/html \ text/plain \ text/x-component \ text/xml </IfModule> </IfModule>