blocks|key|1568842|text|这还没有经过测试，但我认为使用mod_rewrite应该可以工作|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1568843|RewriteEngine+On
RewriteCond+%25{HTTPS}+on
RewriteRule+(.*)+http://%25{HTTP_HOST}%25{REQUEST_URI}|code-block|syntax|javascript|1568844|entityMap^0|0|0^^$0|@$1|2|3|4|5|6|7|I|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|J|8|@]|9|@]|A|$E|F]]|$1|G|3|-4|5|6|7|K|8|@]|9|@]|A|$]]]|H|$]]

This has not been tested but I think this should work using mod_rewrite

<pre><code>RewriteEngine On
RewriteCond %{HTTPS} on
RewriteRule (.*) http://%{HTTP_HOST}%{REQUEST_URI}
</code></pre>

blocks|key|1568941|text|请记住，只有在接收到HTTP请求后，重写引擎才会启动-这意味着您仍然需要证书，以便客户端建立连接以发送请求！|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1568942|但是，如果备份计算机看起来具有相同的主机名(就客户端而言)，那么您没有理由不能使用与主要生产计算机相同的证书。|1568943|entityMap^0|0|0^^$0|@$1|2|3|4|5|6|7|F|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|G|8|@]|9|@]|A|$]]|$1|D|3|-4|5|6|7|H|8|@]|9|@]|A|$]]]|E|$]]

Keep in mind that the Rewrite engine only kicks in once the HTTP request has been received - which means you would still need a certificate, in order for the client to set up the connection to send the request over!

However if the backup machine will appear to have the same hostname (as far as the client is concerned), then there should be no reason you can't use the same certificate as the main production machine.

blocks|key|1568985|text|据我所知，简单的meta刷新也不会导致错误：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1568986|<meta+http-equiv="refresh"+content="0;URL='http://www.yourdomain.com/path'">|code-block|syntax|javascript|1568987|entityMap^0|0|0^^$0|@$1|2|3|4|5|6|7|I|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|J|8|@]|9|@]|A|$E|F]]|$1|G|3|-4|5|6|7|K|8|@]|9|@]|A|$]]]|H|$]]

As far as I'm aware of a simple meta refresh also works without causing errors:

<pre><code>&lt;meta http-equiv="refresh" content="0;URL='http://www.yourdomain.com/path'"&gt;
</code></pre>

blocks|key|1569036|text|如果上面的解决方案对你都不起作用(它们对我不起作用)，下面是在我的服务器上起作用的方法：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1569037|RewriteCond+%25{HTTPS}+=on
RewriteRule+%5E(.*)$+http://%25{HTTP_HOST}/$1+[L,R=301]|code-block|syntax|javascript|1569038|entityMap^0|0|0^^$0|@$1|2|3|4|5|6|7|I|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|J|8|@]|9|@]|A|$E|F]]|$1|G|3|-4|5|6|7|K|8|@]|9|@]|A|$]]]|H|$]]

If none of the above solutions work for you (they did not for me) here is what worked on my server:

<pre><code>RewriteCond %{HTTPS} =on
RewriteRule ^(.*)$ http://%{HTTP_HOST}/$1 [L,R=301]
</code></pre>

blocks|key|1784016|text|适用于使用.conf文件的用户。|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|1784017|<VirtualHost+*:443>
++++ServerName+domain.com
++++RewriteEngine+On
++++RewriteCond+%25{HTTPS}+on
++++RewriteRule+(.*)+http://%25{HTTP_HOST}%25{REQUEST_URI}

++++SSLEngine+on
++++SSLCertificateFile+/etc/apache2/ssl/domain.crt
++++SSLCertificateKeyFile+/etc/apache2/ssl/domain.key
++++SSLCACertificateFile+/etc/apache2/ssl/domain.crt

</VirtualHost>|code-block|syntax|javascript|1784018|entityMap^0|5|5|0|0^^$0|@$1|2|3|4|5|6|7|M|8|@$9|N|A|O|B|C]]|D|@]|E|$]]|$1|F|3|G|5|H|7|P|8|@]|D|@]|E|$I|J]]|$1|K|3|-4|5|6|7|Q|8|@]|D|@]|E|$]]]|L|$]]

For those that are using a <code>.conf</code> file.

<pre><code>&lt;VirtualHost *:443&gt;
 ServerName domain.com
 RewriteEngine On
 RewriteCond %{HTTPS} on
 RewriteRule (.*) http://%{HTTP_HOST}%{REQUEST_URI}

 SSLEngine on
 SSLCertificateFile /etc/apache2/ssl/domain.crt
 SSLCertificateKeyFile /etc/apache2/ssl/domain.key
 SSLCACertificateFile /etc/apache2/ssl/domain.crt

&lt;/VirtualHost&gt;
</code></pre>

blocks|key|1569138|text|最好是尽量避免使用mod_rewrite。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1569139|在您的情况下，我将用以下代码替换重写：|1569140|++++<If+"%25{HTTPS}+==+'on'"+>
++++++++++++Redirect+permanent+/+http://production_server/
++++</If>|code-block|syntax|javascript|1569141|根据此blog+here，<If>指令仅在Apache+2.4%2B中可用。|offset|length|style|CODE|1569142|entityMap|0|LINK|mutability|MUTABLE|url|https://blogs.apache.org/httpd/entry/new_in_httpd_2_4^0|0|0|0|D|4|3|9|0|0^^$0|@$1|2|3|4|5|6|7|W|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|X|8|@]|9|@]|A|$]]|$1|D|3|E|5|F|7|Y|8|@]|9|@]|A|$G|H]]|$1|I|3|J|5|6|7|Z|8|@$K|10|L|11|M|N]]|9|@$K|12|L|13|1|14]]|A|$]]|$1|O|3|-4|5|6|7|15|8|@]|9|@]|A|$]]]|P|$Q|$5|R|S|T|A|$U|V]]]]

It is better to avoid using mod_rewrite when you can.

In your case I would replace the Rewrite with this:

<pre><code> &lt;If "%{HTTPS} == 'on'" &gt;
 Redirect permanent / http://production_server/
 &lt;/If&gt;
</code></pre>

The <code>&lt;If&gt;</code> directive is only available in Apache 2.4+ as per this <a href="https://blogs.apache.org/httpd/entry/new_in_httpd_2_4" rel="nofollow noreferrer">blog here</a>.

blocks|key|1569232|text|当我使用cloudflare时，上面所有的都不起作用，这一个在我身上起作用：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1569233|RewriteCond+%25{HTTP:X-Forwarded-Proto}+=https
RewriteRule+%5E(.*)$+http://%25{HTTP_HOST}%25{REQUEST_URI}+[L,R=301]|code-block|syntax|javascript|1569234|这个可以在没有代理的情况下工作：|1569235|RewriteCond+%25{HTTPS}+on
RewriteRule+(.*)+http://%25{HTTP_HOST}%25{REQUEST_URI}+[R=301,L]|1569236|entityMap^0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|M|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|N|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|O|8|@]|9|@]|A|$]]|$1|I|3|J|5|D|7|P|8|@]|9|@]|A|$E|F]]|$1|K|3|-4|5|6|7|Q|8|@]|9|@]|A|$]]]|L|$]]

all the above did not work when i used cloudflare, this one worked for me:

<pre><code>RewriteCond %{HTTP:X-Forwarded-Proto} =https
RewriteRule ^(.*)$ http://%{HTTP_HOST}%{REQUEST_URI} [L,R=301]
</code></pre>

and this one definitely works without proxies in the way:

<pre><code>RewriteCond %{HTTPS} on
RewriteRule (.*) http://%{HTTP_HOST}%{REQUEST_URI} [R=301,L]
</code></pre>

blocks|key|1784175|text|在Wordpress网站上没有一个答案对我有效，但下面的作品(它与其他答案相似，但有一点变化)|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1784176|RewriteEngine+On
RewriteCond+%25{HTTPS}+on
RewriteRule+(.*)+http://%25{HTTP_HOST}%25{REQUEST_URI}+[R=301,L]|code-block|syntax|javascript|1784177|entityMap^0|0|0^^$0|@$1|2|3|4|5|6|7|I|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|J|8|@]|9|@]|A|$E|F]]|$1|G|3|-4|5|6|7|K|8|@]|9|@]|A|$]]]|H|$]]

None of the answer works for me on Wordpress website but following works ( it's similar to other answers but have a little change)

<pre><code>RewriteEngine On
RewriteCond %{HTTPS} on
RewriteRule (.*) http://%{HTTP_HOST}%{REQUEST_URI} [R=301,L]
</code></pre>

blocks|key|1569314|text|这对我很有效。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1569315|<VirtualHost+*:443>
++++ServerName+www.example.com
++++#+...+SSL+configuration+goes+here
++++Redirect+"https://www.example.com/"+"http://www.example.com/"
</VirtualHost>

<VirtualHost+*:80>
++++ServerName+www.example.com
++++#+...+
</VirtualHost>|code-block|syntax|javascript|1569316|请确保同时侦听端口80和443。|1569317|entityMap^0|0|0|0^^$0|@$1|2|3|4|5|6|7|K|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|L|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|M|8|@]|9|@]|A|$]]|$1|I|3|-4|5|6|7|N|8|@]|9|@]|A|$]]]|J|$]]

this works for me.

<pre><code>&lt;VirtualHost *:443&gt;
 ServerName www.example.com
 # ... SSL configuration goes here
 Redirect "https://www.example.com/" "http://www.example.com/"
&lt;/VirtualHost&gt;

&lt;VirtualHost *:80&gt;
 ServerName www.example.com
 # ... 
&lt;/VirtualHost&gt;
</code></pre>

be sure to listen to both ports 80 and 443.

blocks|key|1784334|text|如果您正在寻找一个答案，您可以重定向特定的url/s到http，然后请更新您的htaccess如下|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1784335|RewriteEngine+On
RewriteCond+%25{HTTPS}+off
RewriteCond+%25{THE_REQUEST}+!/(home/panel/videos%7Cuser/profile)+[NC]+#+Multiple+urls
RewriteRule+%5E+https://%25{HTTP_HOST}%25{REQUEST_URI}+[L,R=301]

RewriteCond+%25{HTTPS}+on
RewriteCond+%25{THE_REQUEST}+/(home/panel/videos%7Cuser/profile)+[NC]+#+Multiple+urls
RewriteRule+%5E+http://%25{HTTP_HOST}%25{REQUEST_URI}+[L,R=301]|code-block|syntax|javascript|1784336|它对我很有效:)|1784337|entityMap^0|0|0|0^^$0|@$1|2|3|4|5|6|7|K|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|L|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|M|8|@]|9|@]|A|$]]|$1|I|3|-4|5|6|7|N|8|@]|9|@]|A|$]]]|J|$]]

If you are looking for an answer where you can redirect specific url/s to http then please update your htaccess like below
<pre><code>RewriteEngine On
RewriteCond %{HTTPS} off
RewriteCond %{THE_REQUEST} !/(home/panel/videos|user/profile) [NC] # Multiple urls
RewriteRule ^ https://%{HTTP_HOST}%{REQUEST_URI} [L,R=301]

RewriteCond %{HTTPS} on
RewriteCond %{THE_REQUEST} /(home/panel/videos|user/profile) [NC] # Multiple urls
RewriteRule ^ http://%{HTTP_HOST}%{REQUEST_URI} [L,R=301]
</code></pre>
It worked for me :)

How do you redirect HTTPS to HTTP?. That is, the opposite of what (seemingly) everyone teaches.

I have a server on HTTPS for which I paid an SSL certification for and a mirror for which I haven't and keep around for just for emergencies so it doesn't merit getting a certification for.

On my client's desktops I have SOME shortcuts which point to <code>http://production_server</code> and <code>https://production_server</code> (both work). However, I know that if my production server goes down, then DNS forwarding kicks in and those clients which have "https" on their shortcut will be staring at <code>https://mirror_server</code> (which doesn't work) and a big fat Internet Explorer 7 red screen of uneasyness for my company. 

Unfortunately, I can't just switch this around at the client level. These users are very computer illiterate: and are very likely to freak out from seeing HTTPS "insecurity" errors (especially the way Firefox 3 and Internet Explorer 7 handle it nowadays: FULL STOP, kind of thankfully, but not helping me here LOL).

It's <a href="http://www.cyberciti.biz/tips/howto-apache-force-https-secure-connections.html" rel="noreferrer">very easy</a> <a href="http://bytes.com/forum/thread54801.html" rel="noreferrer">to find</a> <a href="http://support.jodohost.com/showthread.php?t=6678" rel="noreferrer">Apache solutions</a> for <a href="http://www.google.com/search?q=https+redirection&amp;ie=utf-8&amp;oe=utf-8&amp;aq=t&amp;rls=org.mozilla:en-US:official&amp;client=firefox-a" rel="noreferrer">http->https redirection</a>, but for the life of me I can't do the opposite.

Ideas?

How do you redirect HTTPS to HTTP?

服务器

如何将HTTPS重定向到HTTP？那就是，与(似乎)每个人所教授的相反。我在HTTPS上有一个服务器，我为它支付了SSL认证，还有一个镜像，我没有，只是为了紧急情况而保留，所以它不值得获得认证。在我客户的桌面上，我有一些指向http://production_server和https://production_serv...

问如何将HTTPS重定向到HTTP？
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