UniFi Firewall Defaults Are Too Open: Here’s How to Lock Them Down

https://lawrence.video/ --- Thanks to NinjaOne for sponsoring this video https://lawrence.video/NinjaOne-Dec-2025 --- By default, UniFi networks are more permissive than many people realize. New VLANs can talk to each other, internal networks often have broad access to the gateway, and “internal” traffic is frequently trusted unless you explicitly lock it down. In this video I go over how to change the default setting to get your network to a more secure posture. UniFI VPN Rules    • The Rules You Need to Secure Your UniFi VPN   UniFi Zone Firewalls    • UniFi Zone Firewall Rules Explained – Secu...   --------------------------------------------------- Connect With Us --------------------------------------------------- Hire Us for a project: https://lawrencesystems.com/hire-us/ Technical questions? Ask our community: https://forums.lawrencesystems.com/ Official Website: https://www.lawrencesystems.com/ GitHub: https://github.com/lawrencesystems/ Support the Channel & Swag --------------------------------------------------- 💰 Patreon:   / lawrencesystems   ►👕 Lawrence Systems Shirts: https://lawrence.video/swag/ Affiliates & Referral Links --------------------------------------------------- 🛒 Amazon Affiliate Store: https://www.amazon.com/shop/lawrences... 🛒 HostiFi UniFi Cloud Hosting: https://hostifi.net/?via=lawrencesystems 🛒 UniFi Affiliate Link: https://lawrence.video/unifi-affiliate 🛒 TechSupplyDirect (Code LTSERVICES for 10% off): https://www.techsupplydirect.com?aff=2 🛒 Private Internet Access VPN: https://www.privateinternetaccess.com... Chapters 00:00 UniFI Firewall Rules 01:11 Default Security Posture 02:00 UniFi Port Security 05:02 Setting Alarm for Switches 05:30 Default Firewall Zones and Rules 12:20 UniFi Gateway Rules 15:00 Creating a Custom Zone 16:00 Locking Down Gateway Rules 19:40 Custom Allow Rules 20:52 External Access and VPN Settings 23:00 Adding More Rules if needed