Firewall Icon

Free Firewall icon for manufacturing documents. Transparent PNG, commercial use OK, no sign-up.

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Free for commercial and personal use, no attribution required; redistribution and resale of the icons themselves are not allowed. License details

Category: IT & Digital Transformation · Updated 2026-09-22

About the Firewall

A firewall filters network traffic according to security rules to block unauthorized access. In factories it separates the production network from the office network.

Where to use this icon

• Network and system diagrams
• IoT and smart factory proposals
• IT security training slides

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