Month: March 2026

Ephemeral OS Disk with full caching for VM and VM scale sets overview

Hello everyone,

Performance optimization is a common objective when designing cloud infrastructure. In Azure, one of the techniques available for improving VM startup speed and disk performance is the use of Ephemeral OS Disks.

A recent enhancement introduces the ability to use full caching with Ephemeral OS Disks for Virtual Machines and VM Scale Sets, offering improved performance characteristics for specific workload scenarios.

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Updates to Default Rule Set 2.2 in Azure Application Gateway WAF

Hello everyone,

Web application protection is a fundamental component of modern cloud architectures. In Azure environments, the Web Application Firewall (WAF) for Application Gateway plays a central role in protecting applications against common threats such as SQL injection, cross-site scripting, and other web-based attacks.

With the release of Default Rule Set (DRS) 2.2, Azure introduces several improvements that help organizations strengthen their protection strategies while maintaining operational flexibility.

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Implementing Draft and Deploy workflows in Azure Firewall

Managing network security policies in large Azure environments requires careful control over how changes are introduced. Firewall configurations directly impact traffic flow, application availability, and security posture, which means even small changes must be handled with precision.

The Draft and Deploy workflow in Azure Firewall introduces a structured approach to policy management, allowing teams to prepare, validate, and safely apply configuration changes.

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