htaccess 重定向到 https://www [英] htaccess redirect to https://www

问题描述

我有以下 htaccess 代码:

I have the following htaccess code:

<IfModule mod_rewrite.c>

RewriteEngine On
RewriteCond !{HTTPS} off
RewriteRule ^(.*)$ https://www.%{HTTP_HOST}%{REQUEST_URI} [L,R=301]
RewriteCond %{HTTP_HOST} !^www.
RewriteRule ^(.*)$ https://www.%{HTTP_HOST}%{REQUEST_URI} [L,R=301]

</IfModule>

我希望使用 HTTPS 将我的网站重定向到 https://www.，并强制使用 www. 子域，但是当我访问 http://www.(没有 HTTPS)时，它不会将我重定向到带有 HTTPS 的 https://www.

I want my site to be redirected to https://www. with HTTPS, and enforcing the www. subdomain, but when I access http://www. (without HTTPS), it does not redirect me to https://www with HTTPS.

推荐答案

要首先强制使用 HTTPS，您必须检查正确的环境变量 %{HTTPS} off，但是您上面的规则然后在 www. 因为您有第二条规则来强制执行 www.，所以不要在第一条规则中使用它.

To first force HTTPS, you must check the correct environment variable %{HTTPS} off, but your rule above then prepends the www. Since you have a second rule to enforce www., don't use it in the first rule.

RewriteEngine On
RewriteCond %{HTTPS} off
# First rewrite to HTTPS:
# Don't put www. here. If it is already there it will be included, if not
# the subsequent rule will catch it.
RewriteRule .* https://%{HTTP_HOST}%{REQUEST_URI} [L,R=301]
# Now, rewrite any request to the wrong domain to use www.
# [NC] is a case-insensitive match
RewriteCond %{HTTP_HOST} !^www. [NC]
RewriteRule .* https://www.%{HTTP_HOST}%{REQUEST_URI} [L,R=301]

关于代理

在某些形式的代理之后，即客户端通过 HTTPS 连接到代理、负载均衡器、Passenger 应用程序等时，%{HTTPS} 变量可能永远不会on 并导致重写循环.这是因为即使客户端和代理/负载平衡器使用 HTTPS，您的应用程序实际上也接收纯 HTTP 流量.在这些情况下，检查 X-Forwarded-Proto 标头而不是 %{HTTPS} 变量.这个答案显示了适当的过程

About proxying

When behind some forms of proxying, whereby the client is connecting via HTTPS to a proxy, load balancer, Passenger application, etc., the %{HTTPS} variable may never be on and cause a rewrite loop. This is because your application is actually receiving plain HTTP traffic even though the client and the proxy/load balancer are using HTTPS. In these cases, check the X-Forwarded-Proto header instead of the %{HTTPS} variable. This answer shows the appropriate process

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