Final UniFi OS - Enterprise Fortress Gateway 4.x.x

  • UniFi OS - Enterprise Fortress Gateway 4.0.16

    https://community.ui.com/releases/UniFi…ff-89eeb8e75568

    Overview

    This is the initial release for the Enterprise Fortress Gateway supporting both NeXT AI Inspection and Enhanced Threat Updates.

    NeXT AI Inspection

    NeXT AI Inspection utilizes SSL/TLS decryption to intercept encrypted traffic and analyze its contents for security monitoring or filtering purposes.

    • Analyze encrypted traffic
    • View, track and block queries typed by clients into search engines and ChatGPT
    • See the NeXT AI Inspection Help Center article for more information.

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    Enhanced Threat Updates

    Per-site subscription available for Intrusion Prevention (IDS/IPS) on the EFG.

    • Greatly extend the size of UniFi's threat signature database.
    • Available in the United States and Canada. International coming soon.
    • See the Intrusion Prevention Help Center article for more information.

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    Bundled application

    Download links

    Enterprise Fortress Gateway

    Mein Netzwerk

    WAN1: Vodafone Station im Bridge, Vodafone 1000/50

    WAN2: Fritzbox 7510, Telekom VDSL nur für Telefon Company Flex

    UDM Pro, USW Pro 24 Poe Gen2, US-24-250W, US-8, US-8-150W, US8-60W, USW-Flex, USW-Flex Mini, USW Ultra 210Watt, 5x UAP-AC-Pro, U7Pro, UAP AC M

  • UniFi OS - Enterprise Fortress Gateway 4.0.18

    https://community.ui.com/releases/UniFi…e4-7a0e064f661c

    Overview

    UniFi OS 4.0.18 includes the improvements and bugfixes listed below.

    Bundled application

    Improvements

    • Improved Remote Access connection resiliency.
    • Improved username validation when creating a UI Account through the setup wizard.
    • Improved compatibility with some 3rd party SFP modules.
    • Improved device stability.
    • Removed GitHub from Microsoft exclusion in NeXT AI Inspection.

    Bugfixes

    • Fixed an issue where the DHCP auto-scale didn't work in rare cases.
    • Fixed gateway configuration issues in rare cases.
    • Fixed an issue where the Primary Gateway could get stuck in the Getting Ready state.

    Download links

    Enterprise Fortress Gateway

    Mein Netzwerk

    WAN1: Vodafone Station im Bridge, Vodafone 1000/50

    WAN2: Fritzbox 7510, Telekom VDSL nur für Telefon Company Flex

    UDM Pro, USW Pro 24 Poe Gen2, US-24-250W, US-8, US-8-150W, US8-60W, USW-Flex, USW-Flex Mini, USW Ultra 210Watt, 5x UAP-AC-Pro, U7Pro, UAP AC M

  • UniFi OS - Enterprise Fortress Gateway 4.0.20

    https://community.ui.com/releases/UniFi…ba-183688a5a7d7

    Overview

    UniFi OS 4.0.20 includes the improvements and bugfixes listed below.

    Bundled application

    Improvements

    • Improved the DHCP Server response time on large setups.

    Download links

    Enterprise Fortress Gateway

    Mein Netzwerk

    WAN1: Vodafone Station im Bridge, Vodafone 1000/50

    WAN2: Fritzbox 7510, Telekom VDSL nur für Telefon Company Flex

    UDM Pro, USW Pro 24 Poe Gen2, US-24-250W, US-8, US-8-150W, US8-60W, USW-Flex, USW-Flex Mini, USW Ultra 210Watt, 5x UAP-AC-Pro, U7Pro, UAP AC M

  • UniFi OS - Enterprise Fortress Gateway 4.0.21

    https://community.ui.com/releases/UniFi…f3-14b9e7576c04

    Overview

    UniFi OS 4.0.21 includes the improvement listed below.

    Bundled application

    Improvements

    • Improved system stability.

    Download links

    Enterprise Fortress Gateway

    Mein Netzwerk

    WAN1: Vodafone Station im Bridge, Vodafone 1000/50

    WAN2: Fritzbox 7510, Telekom VDSL nur für Telefon Company Flex

    UDM Pro, USW Pro 24 Poe Gen2, US-24-250W, US-8, US-8-150W, US8-60W, USW-Flex, USW-Flex Mini, USW Ultra 210Watt, 5x UAP-AC-Pro, U7Pro, UAP AC M

  • UniFi OS - Enterprise Fortress Gateway 4.1.9

    https://community.ui.com/releases/UniFi…c3-0d311d34251d

    Overview

    UniFi OS 4.1.9 adds support for Directory Integration, Custom Certificates, BGP, NetFlow, and Packet Captures.

    Directory Integration

    Allows Identity users to be synced from third-party directories such as Microsoft Entra and LDAP.

    • Integrate with Microsoft Entra, Active Directory, Google Secure LDAP, LDAP, or JumpCloud LDAP.
    • See the Integration Help Center article for more information.

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    Custom Certificates

    Upload and use a custom TLS certificate for UniFi OS web management access.

    Custom certificate support for the Hotspot Portal is planned for a future release.

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    Content embedded from external sources will not be displayed without your consent.

    Border Gateway Protocol

    Sets up BGP neighbors with other gateways and distributes routing information.

    • Configure BGP by uploading a configuration text file in FRR format.
    • See the BGP Help Center article for more information.

    Bundled application

    Improvements

    • Added support for NetFlow. Learn more
    • Added support for Packet Captures. Learn more
    • Added support for sending Intrusion Prevention, Ad Blocking, and NeXT AI Flows to Activity Logging SIEM servers (Syslog).
    • Added support for sending Country Restriction events to Activity Logging SIEM servers (Syslog).
    • Support for Network Application System Logs will be available in a future Network Application release.
    • Added System Log events for unexpected shutdowns.
    • Added disk warnings to the Updates tab in Control Plane.
    • Added support for custom SMTP servers for notifications.
    • Added support for IPv6 Traffic Identification.
    • Added support for IPv6 DNS shield.
    • Added support for showing IP addresses for Admin Changes in System Logs for remote connections.
    • Improved WAN resiliency when changing from DHCP to PPPoE.
    • Improved the device's system description for SNMP.
    • Improved the setup user experience.
    • Improved Shadow Mode resiliency and setup experience.
    • Improved efficiency for configuration changes.
    • Improved Remote Access and backup restore resiliency.
    • Improved setup resiliency when NTP servers are unavailable.
    • Improved system stability.
    • Improved DNS Shield resiliency.
    • Improved WAN resiliency when RAs are not available in the DHCPv6 environment.
    • Improved Shadow Mode.
    • Updated Traffic Identification signatures.
    • Renamed UniFi OS Settings to UniFi OS Control Plane, previously only visible via Site Manager.

    Bugfixes

    • Fixed incorrect packet loss reporting when WAN2 is not used.
    • Fixed Hotspot Portal redirection issues.
    • Fixed NeXT AI Inspection issues with GoDaddy.
    • Fixed log spam due to multipath routes.
    • Fixed the inability to download backups when Remote Access is disabled.
    • Fixed an issue where users with UniFi OS permissions couldn't see System Logs.
    • Fixed a DNS server issue that could result in delayed DHCP responses.

    Download links

    Enterprise Fortress Gateway

    Mein Netzwerk

    WAN1: Vodafone Station im Bridge, Vodafone 1000/50

    WAN2: Fritzbox 7510, Telekom VDSL nur für Telefon Company Flex

    UDM Pro, USW Pro 24 Poe Gen2, US-24-250W, US-8, US-8-150W, US8-60W, USW-Flex, USW-Flex Mini, USW Ultra 210Watt, 5x UAP-AC-Pro, U7Pro, UAP AC M

  • UniFi OS - Enterprise Fortress Gateway 4.1.13

    https://community.ui.com/releases/UniFi…e2-09157c47242d

    Overview

    UniFi OS 4.1.13 adds support for Directory Integration, Custom Certificates, BGP, NetFlow, and Packet Captures.

    Directory Integration

    Allows Identity users to be synced from third-party directories such as Microsoft Entra and LDAP.

    • Integrate with Microsoft Entra, Active Directory, Google Secure LDAP, LDAP, or JumpCloud LDAP.
    • See the Integration Help Center article for more information.

    External Content img.community.ui.com
    Content embedded from external sources will not be displayed without your consent.

    Custom Certificates

    Upload and use a custom TLS certificate for UniFi OS web management access.

    Custom certificate support for the Hotspot Portal is planned for a future release.

    External Content img.community.ui.com
    Content embedded from external sources will not be displayed without your consent.

    Border Gateway Protocol

    Sets up BGP neighbors with other gateways and distributes routing information.

    • Configure BGP by uploading a configuration text file in FRR format.
    • See the BGP Help Center article for more information.

    Bundled application

    Improvements

    • Added support for NetFlow. Learn more
    • Added support for Packet Captures. Learn more
    • Added support for sending Intrusion Prevention, Ad Blocking, and NeXT AI Flows to Activity Logging SIEM servers (Syslog).
    • Added support for sending Country Restriction events to Activity Logging SIEM servers (Syslog).
    • Support for Network Application System Logs will be available in a future Network Application release.
    • Added System Log events for unexpected shutdowns.
    • Added disk warnings to the Updates tab in Control Plane.
    • Added support for custom SMTP servers for notifications.
    • Added support for IPv6 Traffic Identification.
    • Added support for IPv6 DNS shield.
    • Added support for showing IP addresses for Admin Changes in System Logs for remote connections.
    • Improved WAN resiliency when changing from DHCP to PPPoE.
    • Improved the device's system description for SNMP.
    • Improved the setup user experience.
    • Improved Shadow Mode resiliency and setup experience.
    • Improved efficiency for configuration changes.
    • Improved Remote Access and backup restore resiliency.
    • Improved setup resiliency when NTP servers are unavailable.
    • Improved system stability.
    • Improved DNS Shield resiliency.
    • Improved WAN resiliency when RAs are not available in the DHCPv6 environment.
    • Improved Shadow Mode.
    • Updated Traffic Identification signatures.
    • Renamed UniFi OS Settings to UniFi OS Control Plane, previously only visible via Site Manager.

    Bugfixes

    • Fixed incorrect packet loss reporting when WAN2 is not used.
    • Fixed Hotspot Portal redirection issues.
    • Fixed NeXT AI Inspection issues with GoDaddy.
    • Fixed log spam due to multipath routes.
    • Fixed the inability to download backups when Remote Access is disabled.
    • Fixed an issue where users with UniFi OS permissions couldn't see System Logs.
    • Fixed a DNS server issue that could result in delayed DHCP responses.

    Download links

    Enterprise Fortress Gateway

    Mein Netzwerk

    WAN1: Vodafone Station im Bridge, Vodafone 1000/50

    WAN2: Fritzbox 7510, Telekom VDSL nur für Telefon Company Flex

    UDM Pro, USW Pro 24 Poe Gen2, US-24-250W, US-8, US-8-150W, US8-60W, USW-Flex, USW-Flex Mini, USW Ultra 210Watt, 5x UAP-AC-Pro, U7Pro, UAP AC M

  • UniFi OS - Enterprise Fortress Gateway 4.1.22

    https://community.ui.com/releases/UniFi-OS-Enterprise-Fortress-Gateway-4-1-22/c9dd0808-dc83-4020-b732-45a4d94cf5fc

    Overview

    UniFi OS 4.1.22 includes the bugfix listed below.


    Bundled application

    Bugfixes

    • Fixed the inability to update or install applications.

    Download links

    Enterprise Fortress Gateway

    Mein Netzwerk

    WAN1: Vodafone Station im Bridge, Vodafone 1000/50

    WAN2: Fritzbox 7510, Telekom VDSL nur für Telefon Company Flex

    UDM Pro, USW Pro 24 Poe Gen2, US-24-250W, US-8, US-8-150W, US8-60W, USW-Flex, USW-Flex Mini, USW Ultra 210Watt, 5x UAP-AC-Pro, U7Pro, UAP AC M

  • UniFi OS - Enterprise Fortress Gateway 4.2.12

    https://community.ui.com/releases/UniFi-OS-Enterprise-Fortress-Gateway-4-2-12/8f82b262-7873-4c8f-8461-8b5895817147

    Overview

    UniFi OS 4.2.12 adds support for Advanced mDNS options and includes the improvements and fixes listed below.

    Bundled application

    Improvements

    • Added the ability to generate specific support files.
    • Added support for configuring different release channels per application.
    • Added support for Hotspot Portal Certificates.
    • Required Network Application 9.1 or newer.
    • Added advanced options for mDNS.
    • Required Network Application 9.1 or newer.
    • Added support for SIEM Server integration.
    • Improved WireGuard VPN stability.
    • Improved BGP resiliency.
    • Improved SFP speed detection.
    • Improved the backup and restore user experience.
    • Improved System Logs.
    • Improved static WAN failover resiliency.
    • Improved DHCPv6 WAN stability.
    • Improved DS-Lite compatibility.
    • Improved the Shadow Mode resiliency and user experience.
    • Improved device stability.
    • Improved NeXT AI.
    • Improved Traffic Flows.

    Bugfixes

    • Fixed rare gateway configuration errors.
    • Fixed an issue where Policy-Based Routing could stop working in rare cases.
    • Fixed an issue where you could receive false-positive DHCP exhaustion alerts.

    Download links

    Enterprise Fortress Gateway

    Mein Netzwerk

    WAN1: Vodafone Station im Bridge, Vodafone 1000/50

    WAN2: Fritzbox 7510, Telekom VDSL nur für Telefon Company Flex

    UDM Pro, USW Pro 24 Poe Gen2, US-24-250W, US-8, US-8-150W, US8-60W, USW-Flex, USW-Flex Mini, USW Ultra 210Watt, 5x UAP-AC-Pro, U7Pro, UAP AC M

  • UniFi OS - Enterprise Fortress Gateway 4.3.6

    https://community.ui.com/releases/UniFi-OS-Enterprise-Fortress-Gateway-4-3-6/c4c8cf14-6398-4686-9ba4-acbfc2a2c2f8

    Overview

    UniFi OS 4.3.6 includes Alarm Manager for Network, Cloudflare Content Filtering and improvements and bugfixes listed below.

    Bundled application

    Improvements

    • Added support for CNAME DNS Records.
    • Requires UniFi Network Application 9.3 or newer.
    • Added support for Alarm Manager.
    • Requires UniFi Network Application 9.3 or newer.
    • Added support for Enhanced Content Filtering with CyberSecure.
    • Requires UniFi Network Application 9.3 or newer.
    • Requires an active CyberSecure subscription for granular content categories powered by Cloudflare.
    • Added the ability to create a new user account while performing the ownership transfer.
    • Improved the Analytics and Data Sharing user experience.
    • Added the ability to completely turn off data sharing.
    • Improved Flows data accuracy.
    • Improved Hostname resolution.
    • Improved Incoming Interface listing for Threats.
    • Improved the Shadow Console resiliency.
    • Improved DDNS resiliency when a non-primary WAN is used.
    • Improved the Admins and Users management user experience.
    • Improved Remote Access connection resiliency.
    • Improved backup and restore resiliency, including better feedback when a restore fails.
    • Improved storage health reporting.
    • Improved port LED behavior for Shadow Mode.
    • Improved Link Aggregation resiliency for ECS MC-LAG configurations.
    • Updated Traffic Identification signatures.

    Bugfixes

    • Fixed an issue where the Release channel could change unexpectedly.
    • Fixed an issue where transfer ownership could fail in rare cases.
    • Fixed an issue where local users didn't receive email notifications using a custom SMTP server.
    • Fixed an issue where you couldn't configure SNMP Location and Contact separately; both were required.
    • Fixed an issue where users would be required to re-login every hour locally.
    • Fixed an issue where the "Plug in Internet Cable" could be shown in rare cases.
    • Fixed routing issues when the same subnets are configured on multiple IPsec VPNs.

    Download links

    Enterprise Fortress Gateway

    Mein Netzwerk

    WAN1: Vodafone Station im Bridge, Vodafone 1000/50

    WAN2: Fritzbox 7510, Telekom VDSL nur für Telefon Company Flex

    UDM Pro, USW Pro 24 Poe Gen2, US-24-250W, US-8, US-8-150W, US8-60W, USW-Flex, USW-Flex Mini, USW Ultra 210Watt, 5x UAP-AC-Pro, U7Pro, UAP AC M

  • UniFi OS - Enterprise Fortress Gateway 4.4.6

    https://community.ui.com/releases/UniFi-OS-Enterprise-Fortress-Gateway-4-4-6/580be870-86f7-4d0f-a639-957a9212f40d

    Overview

    UniFi OS 4.4.6 includes the improvements and bugfixes listed below.


    Bundled application

    Improvements

    • Added a Block Page for Content Filtering and Ad-Blocking.
    • Requires UniFi Network 9.4.11 or newer.
    • Added IPv6 support for the Direct Connect feature.
    • Improved DNS monitoring resiliency for WAN SLA.
    • Improved single TCP connection throughput.
    • Improved the Intrusion Prevention service stability under high load.
    • Improved Alarm Manager.
    • Improved IPsec VPN connection stability.
    • Improved Remote Access connection resiliency.
    • Improved storage mounting resiliency.
    • Improved the setup experience for Shadow Mode.
    • Improved the Shadow Mode failover time.
    • Prevent transferring ownership while the device is hosting Identity Hub.

    Bugfixes

    • Fixed an issue where you could experience excessive logging related to MAC address scanning.
    • Fixed the Traffic Activity display for clients.
    • Fixed a gateway configuration issue when applying IPv6 NAT.
    • Fixed false-positive alerts claiming that the DHCP pool is running out of addresses.
    • Fixed an issue where Static Routes were missing after removing Shadow consoles.
    • Fixed an issue where local account users did not receive email notifications.
    • Fixed an issue where static routes were missing after switching the WAN type from dynamic to static.
    • Fixed an issue where DDNS didn't function correctly when using dual PPPoE WAN connections.
    • Fixed an issue where content filtering didn't apply to specific traffic flows.
    • Fixed an issue where changing port settings could result in a gateway configuration error.
    • Fixed an issue with WireGuard VPN server when using non-primary WAN interfaces.
    • Fixed an issue where RADIUS authentication could fail when using anonymous identity.
    • Fixed an issue where the FEC configuration on the SFP28 ports didn't take effect.

    Download links

    Enterprise Fortress Gateway

    Mein Netzwerk

    WAN1: Vodafone Station im Bridge, Vodafone 1000/50

    WAN2: Fritzbox 7510, Telekom VDSL nur für Telefon Company Flex

    UDM Pro, USW Pro 24 Poe Gen2, US-24-250W, US-8, US-8-150W, US8-60W, USW-Flex, USW-Flex Mini, USW Ultra 210Watt, 5x UAP-AC-Pro, U7Pro, UAP AC M

  • JaXnPrivate November 22, 2025 at 12:41 PM

    Added the label Stable

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