Microsoft.Security.AntiSSRF

v1.0.0

Microsoft AntiSSRF is a security library that helps .NET developers protect their applications from Server-Side Request Forgery (SSRF) attacks. The library provides configurable policies to validate and filter outbound HTTP requests, preventing attackers from exploiting server-side functionality to access internal resources or perform unauthorized network requests. Features include IP address validation, URL filtering, and custom policy configuration.

AntiSSRF Microsoft

security ssrf anti-ssrf antissrf http request protection vulnerability filtering validation web-security

NuGet Stats Changelog

Total Downloads

84.8K

84,812

Published

May 5, 2026

Latest stable version

Install

.NET CLI

dotnet add package Microsoft.Security.AntiSSRF --version 1.0.0

Package Manager Console

Install-Package Microsoft.Security.AntiSSRF -Version 1.0.0

PackageReference

<PackageReference Include="Microsoft.Security.AntiSSRF" Version="1.0.0" />

Frameworks

net8.0 .NETStandard2.0

Dependencies

System.Memory

.NETStandard2.0

[4.5.5, )

System.Threading.Tasks.Extensions

.NETStandard2.0

[4.5.4, )

Adoption guide

A verified publisher signal is available. Assess fit from the package's supported frameworks, license and dependency graph rather than popularity alone.

Compatibility metadata lists 2 target frameworks; confirm the exact target used by your application.

How to read this guidance

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