Security
28 posts tagged with this.
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Harden ASP.NET on IIS: Headers, Cookies, Secrets
Most hosted ASP.NET breaches start with missing headers, weak cookies, and secrets in Web.config. Harden IIS and .NET 10 apps with concrete config you can ship today.
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ASP.NET Core Header Handling Advisory: Mitigate Now
A recent Microsoft security advisory highlights a flaw in ASP.NET Core header processing that can enable authentication bypass on production IIS deployments. Update configurations and apply patches immediately to protect sites running the current .NET release.
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Rate Limiting Enhancements in ASP.NET Core 10
ASP.NET Core 10 refines the built-in rate limiting middleware with improved sliding-window algorithms and per-endpoint metrics. Developers gain tighter control over concurrency without external dependencies while preserving low-latency request handling.
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Mitigating Recent ASP.NET Core Request Handling Risks
A recent Microsoft security advisory highlights flaws in ASP.NET Core request parsing that can lead to denial of service or information disclosure on production sites. Update immediately and apply the configuration changes described below to protect Windows Server deployments.
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Mitigating Recent ASP.NET Core Request Smuggling Risks
A flaw in Kestrel's HTTP/2 frame handling enables request smuggling on misconfigured production sites. Update to current .NET releases and enforce strict header validation to close the exposure.
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PowerShell for IIS Configuration on Windows Server
PowerShell provides reliable, repeatable control over IIS settings on Windows Server. Administrators can enforce security baselines, audit pools, and manage sites without manual UI steps that introduce drift.
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Mitigating Recent ASP.NET Core Request Handling Risks
A recent Microsoft advisory addresses flaws in how ASP.NET Core processes certain HTTP requests under load-balanced or reverse-proxy setups. Production sites must apply configuration changes and runtime updates to prevent potential smuggling or injection vectors.
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Mitigating Recent .NET Deserialization Risks in Production
A recent advisory warns of unsafe object deserialization paths in ASP.NET Core workloads. Production sites on Windows Server and IIS must apply targeted configuration and code changes to reduce exposure.
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PowerShell IIS Hardening on Windows Server 2025
Windows Server 2025 ships with updated IIS defaults that reduce attack surface for .NET sites. This guide shows the exact PowerShell commands administrators use to apply and verify those settings in production.
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Addressing the Recent Kestrel Header Parsing Advisory
A Microsoft advisory details a denial-of-service risk in Kestrel's HTTP/2 header handling affecting ASP.NET Core production sites. Learn the scope of impact and the concrete configuration and patching steps required to close the exposure.
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PowerShell IIS Management with Active Directory on Windows Server 2025
PowerShell cmdlets now provide tighter integration with Active Directory for IIS site and application pool management on Windows Server 2025. Administrators can enforce consistent authentication and permission models without relying on the IIS Manager GUI.
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Mitigating Recent Kestrel Request Handling Issues
A recent Microsoft advisory highlights risks in Kestrel's HTTP request processing for ASP.NET Core applications. Production sites must apply configuration changes and update to current .NET releases to prevent potential request smuggling and denial of service.
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PowerShell Hardening for IIS on Windows Server 2025
Windows Server 2025 ships with updated IIS defaults that still require targeted configuration for production .NET workloads. This post shows the exact PowerShell commands system administrators use to lock down sites, enforce TLS, and integrate with Active Directory.
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Mitigating Recent ASP.NET Core Auth Header Risks
A recent advisory details flaws in how ASP.NET Core applications process authentication headers under specific load conditions. Production sites must apply updates and tighten configuration to prevent bypasses.
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Mitigating Recent .NET Request Smuggling Risks
A recent advisory highlights HTTP/2 request smuggling flaws affecting ASP.NET Core applications on IIS. Production sites must apply updates and adjust server configuration to prevent request manipulation and unauthorized access.