Nginx服务系列——静态资源web服务

传输sendfile on | off;默认off(http\server\location\if in location)tcp_nopush on | off;默认off(http\server\location)sendfile开启的情况下，提高网络包的传输效率tcp_nodelay on | off;默认on(http\server\location)keepalive连接下，提高网络传输的实时性压缩文件gzip on | off;默认off(http\server\location\if in location) 压缩传输gzip_comp_level level;默认level=1(http\server\location) 压缩等级gzip_http_version 1.0 | 1.1;默认1.1(http\server\location)gzip_types text/plain被压缩的格式扩展nginx压缩模块http_gzip_static_modele 预读gzip功能(通过文件名调用相应的gz压缩包)gzip_static on;浏览器进行缓存校验(ETag/Last-Modified)验证会返回304expires: 24h;在响应头中添加Cache-control:max-age=86400并返回expires头跨站：add_header name value(http\server\location\if in location)如：add_header Access-Control-Allow-Origin 域名；防盗链：(防止资源被盗用)http_refervalid_referers none | blocked | server_names | string …;(server\location)如：valid_referers none blocked 域名；域名可以使用匹配的方式设置，~if($invalid_referer){ return 403;}