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代理导致“名称错误：域名不存在”Apache2

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代理导致“名称错误：域名不存在”Apache2

当我通过在 /etc/environment 中输入地址来激活代理时，我托管在我的网络服务器上的网站变得无法访问，并出现以下错误消息（片段）：

<div id="content">
<p>The following error was encountered while trying to retrieve the URL: <a href="http://www.correct.url.com/">http://www.correct.url.com/</a></p>

<blockquote id="error">
<p><b>Unable to determine IP address from host name <q>http://www.correct.url.com</q></b></p>
</blockquote>

<p>The DNS server returned:</p>
<blockquote id="data">
<pre>Name Error: The domain name does not exist.</pre>
</blockquote>

<p>This means that the cache was not able to resolve the hostname presented in the URL. Check if the address is correct.</p>

当代理不存在时，网站可以正确加载。当代理处于活动状态时，我可以访问 google 和 youtube 等网站。当代理处于活动状态时，给定域名的 Nslookup 也可以工作，因此 DNS 服务器似乎没有问题。Apache 的运行用户也可以成功对域进行 nslookup。我已停用防火墙。

该网站的配置文件目前如下所示：

<VirtualHost *:80>
        # The ServerName directive sets the request scheme, hostname and port that
        # the server uses to identify itself. This is used when creating
        # redirection URLs. In the context of virtual hosts, the ServerName
        # specifies what hostname must appear in the request's Host: header to
        # match this virtual host. For the default virtual host (this file) this
        # value is not decisive as it is used as a last resort host regardless.
        # However, you must set it for any further virtual host explicitly.
        #ServerName www.example.com

        ServerName www.correct.url.com
        ServerAdmin webmaster@localhost
        DocumentRoot /var/www/html


        # I tried these earlier but it doesn't work 
        #ProxyPass / http://proxy.com:8080/
        #ProxyPassReverse / http://proxy.com:8080/

        #ProxyPass / http://www.correct.url.com/
        #ProxyPassReverse / http://www.correct.url.com/

        #<Proxy *>
        #    Order deny,allow
        #    Allow from all
        #</Proxy>

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