IIS can't rewrite outbound rule having soket.io query - iis

Question

I am banging my head into the wall. Every single URL is re-written by IIS URL Rewrite module but the response having https://nginx-server/socket.io/?EIO=3&transport=polling&t=1486150196479-0 when I open my Network tab in chrome, I see:
https://nginx-server.com/socket.io/?EIO=3&transport=polling&t=1486150196479-0
https://nginx-server.com/socket.io/?EIO=3&transport=polling&t=1486150196479-0
https://iis-reverse-proxy-server.com/t/assets/images/chat-logo.png
https://iis-reverse-proxy-server.com/config.js
https://iis-reverse-proxy-server.com/t/assets/images/main_logo.png
I am trying to reverse proxy the https://nginx-server. IIS reverse proxy rewrite all the URL that are accessing nginx except those having socket.io URI in them . Same thing happens when some api is called and the IIS just stop rewriting outbound rules.
this is my web.config.
<?xml version="1.0" encoding="UTF-8"?>
<configuration>
<system.webServer>
<rewrite>
<rules>
<clear />
<rule name="ReverseProxyInboundRule1" enabled="true" stopProcessing="true">
<match url="^(.*)" />
<conditions logicalGrouping="MatchAll" trackAllCaptures="false">
<add input="{CACHE_URL}" pattern="^(https?)://" />
</conditions>
<serverVariables>
<set name="HTTP_ACCEPT_ENCODING" value="" />
</serverVariables>
<action type="Rewrite" url="{C:1}://nginx-server.com/{R:0}" />
</rule>
</rules>
<outboundRules>
<clear />
<rule name="ReverseProxyOutboundRule1" preCondition="ResponseIsHtml1" stopProcessing="true">
<match filterByTags="A, Area, Base, Form, Frame, Head, IFrame, Img, Input, Link, Script" pattern="^(.*)?://nginx-server.com/(.*)" />
<conditions logicalGrouping="MatchAll" trackAllCaptures="true" />
<action type="Rewrite" value="{R:1}://iis-reverse-proxy-server.com/{R:2}" />
</rule>
<preConditions>
<preCondition name="ResponseIsHtml1">
<add input="{RESPONSE_CONTENT_TYPE}" pattern="^text/(.+)" />
</preCondition>
</preConditions>
</outboundRules>
</rewrite>
<urlCompression doStaticCompression="true" doDynamicCompression="true" />
</system.webServer>
</configuration>
==========Edit:===========
This is my updated web.config:
<?xml version="1.0" encoding="UTF-8"?>
<configuration>
<system.webServer>
<rewrite>
<rules>
<rule name="ReverseProxyInboundRule1" enabled="true" stopProcessing="true">
<match url="^(.*)" />
<conditions logicalGrouping="MatchAll" trackAllCaptures="false">
<add input="{CACHE_URL}" pattern="^(https?)://" />
</conditions>
<serverVariables>
<set name="HTTP_X_ORIGINAL_ACCEPT_ENCODING" value="HTTP_ACCEPT_ENCODING" />
<set name="HTTP_ACCEPT_ENCODING" value="" />
</serverVariables>
<action type="Rewrite" url="{C:1}://nginx-server.com/{R:0}" />
</rule>
</rules>
<outboundRules>
<rule name="ReverseProxyOutboundRule1" preCondition="ResponseIsHtml1" stopProcessing="true">
<match filterByTags="A, Area, Base, Form, Frame, Head, IFrame, Img, Input, Link, Script" pattern="^(.*)?://nginx-server.com/(.*)" />
<conditions logicalGrouping="MatchAll" trackAllCaptures="true" />
<action type="Rewrite" value="{R:1}://iis-reverse-proxy-server.com/{R:2}" />
</rule>
<rule name="RestoreAcceptEncoding" preCondition="NeedsRestoringAcceptEncoding">
<match serverVariable="HTTP_ACCEPT_ENCODING" pattern="^(.*)" />
<action type="Rewrite" value="{HTTP_X_ORIGINAL_ACCEPT_ENCODING}" />
</rule>
<rule name="Atag" preCondition="ResponseIsHtml1">
<match pattern="href=(.*?)https://nginx-server.com/(.*?)\s" />
<action type="Rewrite" value="href={R:1}https://iis-reverse-proxy-server.expertflow.com/{R:2}" />
</rule>
<rule name="elementencodedaction" preCondition="ResponseIsHtml1">
<match pattern="action=(.*?)https://nginx-server.com/(.*?)\\" />
<action type="Rewrite" value="‘action={R:1}https://iis-reverse-proxy-server.expertflow.com/{R:2}\" />
</rule>
<preConditions>
<preCondition name="ResponseIsHtml1">
<add input="{RESPONSE_CONTENT_TYPE}" pattern="^text/(.+)" />
</preCondition>
<preCondition name="NeedsRestoringAcceptEncoding">
<add input="{HTTP_X_ORIGINAL_ACCEPT_ENCODING}" pattern=".+" />
</preCondition>
</preConditions>
</outboundRules>
</rewrite>
</system.webServer>
</configuration>
Where am I making mistake?

Answer 1

Thanks everyone for the efforts for intended help. It turned out the config file in the application re writing the URL so that is why IIS could not be able to rewrite the URL. Updating URL in config file resolved my issue.