Panos 11 Release Notes Link ((full)) — Secure

Palo Alto Networks' PAN-OS is the industry-leading operating system powering its next-generation firewalls (NGFWs) and Panorama central management platform. The PAN-OS 11 series introduced a generational leap in zero‑day malware prevention, AI‑driven threat detection, and post‑quantum cryptography. Understanding the is essential for network architects and security teams – they provide the official record of new features, resolved issues, changes in default behavior, upgrade prerequisites, and security fixes that directly impact your security posture.

A critical behavior change for Panorama virtual appliances is the increased minimum memory requirement. Palo Alto Networks now recommends a minimum of , up from the previous 32GB. This change is to prevent logging and operational performance issues. If you have an existing deployment, you will need to increase the memory of your Panorama virtual appliance after a successful upgrade. panos 11 release notes link

Attackers often use encrypted protocols to bypass standard filtering. PAN-OS 11 adds deep inspection for DNS over HTTPS (DoH). This prevents data extraction and malicious lookups concealed in normal web traffic. Enterprise & Architecture Support Palo Alto Networks' PAN-OS is the industry-leading operating

: Includes the PA-5440 for data centers and the PA-1400 Series for large branches, offering up to 5x higher performance than previous generations. A critical behavior change for Panorama virtual appliances

PAN-OS 11.1 continues the theme of AI and automation, with a strong focus on operational efficiency. Key features include:

You can find the official PanOS 11 release notes on the Palo Alto Networks website: https://docs.paloaltonetworks.com/panos/11_0_0/new-features.html

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