网站部署https后,浏览器提示不安全, 不出现绿色小锁图标?

访问网站后,按f12,浏览器提示:

Mixed Content: The page at ‘https://www.xxx.com/” was loaded over HTTPS, but requested an insecure image ‘http://www.xxx.com/uploads/2018/12/3.png’. This content

原因是在https页面中，如果调用了http资源，那么浏览器就会抛出一些错误,

解决办法:在header中加入Upgrade-Insecure-Requests,会告诉浏览器可以把所属本站的所有http连接升级为https连接,外站请求保持默认;

添加header方法:

1.iis7

或直接在网站根目录web.config中定义

<?xmlversion=”1.0″encoding=”UTF-8″?><configuration><system.webServer><httpProtocol><customHeaders><addname=”Content-Security-Policy”value=”upgrade-insecure-requests”/></customHeaders></httpProtocol></system.webServer></configuration>

2.apache

可直接在网站根目录.htaccess中定义

<IFModulemod_headers.c>HeaderaddContent-Security-Policyupgrade-insecure-requests</IFModule>

3. nginx

server{listen80;server_name(myservername);add_headerContent-Security-Policy”upgrade-insecure-requests”;location/{proxy_passhttp://localhost:5000;}}