Microsoft.Owin.Cors 4.0.0-preview1

The ID prefix of this package has been reserved for one of the owners of this package by Prefix Reserved
Additional Details

This package has been deprecated as part of the .NET Package Deprecation effort. You can learn more about it from

This is a prerelease version of Microsoft.Owin.Cors.
There is a newer version of this package available.
See the version list below for details.
dotnet add package Microsoft.Owin.Cors --version 4.0.0-preview1
NuGet\Install-Package Microsoft.Owin.Cors -Version 4.0.0-preview1
This command is intended to be used within the Package Manager Console in Visual Studio, as it uses the NuGet module's version of Install-Package.
<PackageReference Include="Microsoft.Owin.Cors" Version="4.0.0-preview1" />
For projects that support PackageReference, copy this XML node into the project file to reference the package.
paket add Microsoft.Owin.Cors --version 4.0.0-preview1
#r "nuget: Microsoft.Owin.Cors, 4.0.0-preview1"
#r directive can be used in F# Interactive and Polyglot Notebooks. Copy this into the interactive tool or source code of the script to reference the package.
// Install Microsoft.Owin.Cors as a Cake Addin
#addin nuget:?package=Microsoft.Owin.Cors&version=4.0.0-preview1&prerelease

// Install Microsoft.Owin.Cors as a Cake Tool
#tool nuget:?package=Microsoft.Owin.Cors&version=4.0.0-preview1&prerelease

This package contains the components to enable Cross-Origin Resource Sharing (CORS) in OWIN middleware.

Product Compatible and additional computed target framework versions.
.NET Framework net451 is compatible.  net452 was computed.  net46 was computed.  net461 was computed.  net462 was computed.  net463 was computed.  net47 was computed.  net471 was computed.  net472 was computed.  net48 was computed.  net481 was computed. 
Compatible target framework(s)
Included target framework(s) (in package)
Learn more about Target Frameworks and .NET Standard.

NuGet packages (121)

Showing the top 5 NuGet packages that depend on Microsoft.Owin.Cors:

Package Downloads

Library of ASP.NET web forms extensions, embedded resource hosting and HTTP Module for implementing role-based security.


Framework for BumperLane API sites


Data transfer objects for TouchConvert version one APIs.


Package Description


Data transfer objects for TouchConvert version two APIs.

GitHub repositories (34)

Showing the top 5 popular GitHub repositories that depend on Microsoft.Owin.Cors:

Repository Stars
Incredibly simple real-time web for .NET
.NET language playground
OpenID Connect Provider and OAuth 2.0 Authorization Server Framework for ASP.NET 4.x/Katana
Professional ACME Client for Windows. Certificate Management UI, powered by Let's Encrypt and compatible with all ACME v2 CAs. Download from
Tutorial shows Authentication in AngularJS with ASP.NET Web API 2 and Owin Middle-ware using access tokens and refresh tokens approach
Version Downloads Last updated
4.2.2 2,552,879 5/11/2022
4.2.1 188,739 4/8/2022
4.2.0 1,811,801 5/10/2021
4.1.1 1,936,313 9/8/2020
4.1.0 3,074,505 11/25/2019
4.0.1 3,773,983 1/24/2019
4.0.0 4,660,507 2/14/2018
4.0.0-preview1 17,446 11/21/2017
4.0.0-alpha1 9,827 8/30/2017
3.1.0 6,518,826 4/10/2017
3.1.0-rc1 8,154 3/24/2017
3.0.1 9,132,539 2/20/2015
3.0.0 1,081,353 8/20/2014
3.0.0-rc2 3,137 7/10/2014
3.0.0-rc1 1,614 7/2/2014
3.0.0-beta1 6,174 3/27/2014
3.0.0-alpha1 1,767 2/20/2014
2.1.0 755,162 1/21/2014
2.1.0-rc1 1,857 12/12/2013
2.0.2 99,885 11/18/2013
2.0.1 40,237 10/25/2013
2.0.0 51,829 10/17/2013
2.0.0-rc1 3,709 8/23/2013