Removing Unnecessary Banner Information on Web Responses
Microsoft’s Internet Information Server (IIS) includes a header with every response that includes the originating server and webserver version.
To remove this information, you should configure the IIS to remove the 'Server' header. The method depends on the installed IIS version, as described below:
For IIS before version 10:
In Windows IIS Manager, you can use the URL Rewrite module to create a rule to rewrite all outgoing messages, replacing the server value in the header with an empty string. A detailed description can be found on MS IIS Support blog below, in the third method "3. Using URLReqrite":
For IIS version above 10
Update the SiqWeb web.cofig file
C:\inetpub\wwwroot\siqApi\web.config
<?xml version="1.0" encoding="UTF-8"?>
<configuration>
<system.webServer>
<security>
<requestFiltering removeServerHeader="true" />
</security>
</system.webServer>
</configuration>