IIS Remove Server Headers

A managed .NET module for IIS which removes the following unwanted HTTP headers from the server response.

• Server:
• X-Powered-By
• X-AspNet-Version
• X-AspNetMvc-Version

How to use

1. Download MSI and use it to install the module to the GAC
2. Configure IIS to use the module

A note on compatability

For Windows Server 2016 you may need to install the ISAPI Filters role for the module to work.

Roles and Features
	Web Server (IIS)
		Web Server
			Application Development
				+ ISAPI Filters

Additionally, if the module does not remove the X-Powered-By header, you can remove it using Web.Config

<?xml version="1.0" encoding="utf-8"?>
<configuration>
	<system.webServer>
		<httpProtocol>
			<customHeaders>
				<remove name="X-Powered-By" />
			</customHeaders>
		</httpProtocol>
	</system.webServer>
</configuration>

Download

Either compile from source, or download the pre-compiled binaries for use where IIS version 2.0 or greater of the .net framework is available;

• RemoveServerHeaderModule-1.0.1-x86.msi.zip (144.9 KB)

  MD5: b4a73601d32961577843d74a80f8ef0b

• RemoveServerHeaderModule-1.0.1-x64.msi.zip (144.9 KB)

  MD5: 67aa08a64622da45866a27673e2a8bcf

Old Versions

• Pingfu.RemoveServerHeaderModule-1.0.0-x86.msi.zip (144.8 KB - 16/08/2013)
• Pingfu.RemoveServerHeaderModule-1.0.0-x64.msi.zip (144.8 KB - 16/08/2013)

Manually Install to the GAC

Deploy the library to the .NET Global Assembly Cache (GAC) using gacutil.exe.

> gacutil.exe /i Pingfu.RemoveServerHeaderModule.dll

Once the library is installed to the GAC, any other copies can be removed from the server.

• MSDN documentation: http://msdn.microsoft.com/en-us/library/ex0ss12c.aspx
• gacutil.exe is included with Visual Studio and v1.1 of the .net framework, usually in one of the following locations:
  • %programfiles%\Microsoft Visual Studio .NET 2003\SDK\v1.1\Bin\gacutil.exe
  • %programfiles%\Microsoft SDKs\Windows\v6.0\Bin\gacutil.exe
  • %programfiles%\Microsoft SDKs\Windows\v6.0A\Bin\gacutil.exe
  • %windir%\Microsoft.NET\Framework\v1.0.3705\gacutil.exe
  • %windir%\Microsoft.NET\Framework\v1.1.4322\gacutil.exe

Configure IIS

1. Open the Internet Information Services (IIS) Mananger snap-in.
2. Open the Modules administration feature at the server level.
3. Select Add Managed Module....

• For Name enter a descriptive name, for example "Pingfu.RemoveServerHeaderModule"
• For Type select the module from the list.

Licence

The MIT License (MIT)

Copyright (c) 2013 pingfu

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.