https://github.com/ogaudefroy/nlbcompatmodule

Transparent SSL Offloading support for IIS applications
https://github.com/ogaudefroy/nlbcompatmodule

iis ssl ssl-offloading

Last synced: 2 months ago
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Transparent SSL Offloading support for IIS applications

• Host: GitHub
• URL: https://github.com/ogaudefroy/nlbcompatmodule
• Owner: ogaudefroy
• License: mit
• Created: 2016-02-25T20:34:25.000Z (about 9 years ago)
• Default Branch: master
• Last Pushed: 2016-09-07T20:53:44.000Z (over 8 years ago)
• Last Synced: 2025-01-23T12:15:40.273Z (4 months ago)
• Topics: iis, ssl, ssl-offloading
• Language: C#
• Size: 11.7 KB
• Stars: 0
• Watchers: 2
• Forks: 1
• Open Issues: 0
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

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README

        
# NlbCompatModule

Transparent SSL Offloading support for IIS applications made with a custom HTTP Module implementing the following behavior OnBeginRequest.

[![Build status](https://ci.appveyor.com/api/projects/status/6n1d8l7njs03f1rc/branch/master?svg=true)](https://ci.appveyor.com/project/ogaudefroy/nlbcompatmodule/branch/master) [![NuGet version](https://badge.fury.io/nu/NlbCompatModule.svg)](https://badge.fury.io/nu/NlbCompatModule)

Fix HttpContext server variables with X-FORWARDED-PROTO header:

 - Set HTTPS to on or off.

 - Set SERVER_PORT to 443 or 80

 - Set SERVER_PORT_SECURE to 1 or 0

Fix HttpContext server variables with X-FORWARDED-FOR header:

 - Set REMOTE_ADDR to the most right string contained in the header (comma separated list) just like any other LB system would do.

Code currently in production in a high traffic website ; works with IIS 7+, see  http://referencesource.microsoft.com/#System.Web/Hosting/IIS7WorkerRequest.cs.html. 

Please remember that this HTTP module MUST be executed first ; therefore do not forget to add it at the top most of your Web.config modules section.

You might encounter difficulties if your system is using systems like New Relic ; if you do meet this situation you can workaround this by using context.RewritePath https://msdn.microsoft.com/en-us/library/system.web.httpcontext.rewritepath(v=vs.110).aspx