web.config

<configuration>
  <system.webServer>
    <httpErrors errorMode="Detailed" />
    <rewrite>
      <rules>
        <!--<rule name="ForceSSL" stopProcessing="true">-->
        <!--    <match url="^(.*)" />-->
        <!--    <conditions>-->
        <!--        <add input="{HTTPS}" pattern="^off$" ignoreCase="true" />-->
        <!--    </conditions>-->
        <!--    <action type="Redirect" url="https://{HTTP_HOST}/{R:1}" redirectType="Permanent" />-->
        <!--</rule>-->
        <rule name="Proxy" stopProcessing="true">
          <match url="(.*)" />
          <action type="Rewrite" url="http://157.55.140.53:8123/{R:1}" />
          <serverVariables>
            <set name="HTTP_X_UNPROXIED_URL" value="http://157.55.140.53:8123/{R:1}" /> 
            <set name="HTTP_X_ORIGINAL_ACCEPT_ENCODING" value="{HTTP_ACCEPT_ENCODING}" /> 
            <set name="HTTP_X_ORIGINAL_HOST" value="{HTTP_HOST}" />
            <set name="HTTP_ACCEPT_ENCODING" value="" />
          </serverVariables>
        </rule>
      </rules>
      <outboundRules>
        <rule name="ChangeReferencesToOriginalUrl" patternSyntax="ExactMatch">
          <match filterByTags="None" pattern="http://157.55.140.53:8123" />
          <action type="Rewrite" value="https://{HTTP_X_ORIGINAL_HOST}/{R:1}" />
        </rule>
        <preConditions>
          <preCondition name="CheckContentType">  
            <add input="{RESPONSE_CONTENT_TYPE}" pattern="^(text/html|text/plain|text/xml|application/rss\+xml)" />
          </preCondition>  
        </preConditions>
      </outboundRules>
    </rewrite>
  </system.webServer>
</configuration>


<?xml version="1.0"?>  
<configuration xmlns:xdt="http://schemas.microsoft.com/XML-Document-Transform">  
    <system.webServer>
        <proxy xdt:Transform="InsertIfMissing" enabled="true" preserveHostHeader="false" reverseRewriteHostInResponseHeaders="false" />
        <rewrite>
            <allowedServerVariables>
                <add name="HTTP_X_ORIGINAL_HOST" xdt:Transform="Insert" />
                <add name="HTTP_X_UNPROXIED_URL" xdt:Transform="Insert" />
                <add name="HTTP_X_ORIGINAL_ACCEPT_ENCODING" xdt:Transform="Insert" />
                <add name="HTTP_ACCEPT_ENCODING" xdt:Transform="Insert" />
            </allowedServerVariables>
        </rewrite>
    </system.webServer>
</configuration>