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How to restrict ThreatLocker portal access to specific IP addresses

ID: e553fb42-0383-523a-b311-249773f0c07c

STIX ID: report--e553fb42-0383-523a-b311-249773f0c07c

Feed Name: ThreatLocker Blog

Date Published: 2026-04-30

Date Updated: 2026-05-01

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**Executive Summary:** This Knowledge Base article describes how to restrict ThreatLocker portal access by IP using the portal's native Login Settings (supporting individual IPv4 addresses and CIDR ranges), provides step-by-step configuration and validation guidance, warns about risks of locking out administrators and interactions with country restrictions, and outlines how to layer Microsoft Entra ID Conditional Access only if O365 SSO is enabled (as a supplementary control).

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