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Overview

Depending on the org's settings, all users logging into Core (including users making API requests through an API key) are subject to the following rules:

• If IP authorization is off, users can log in without IP validation. 
• If IP authorization is on, users' IP addresses are validated against the org's IP allow list. This applies to both SSO and basic access authentication requests (i.e., usernames and passwords).

Note: IP token validation must be enabled separately from IP authorization.

• If IP authorization is set to bypass_sso, SSO users can log in without IP validation, but basic access authentication requests are validated against the IP allow list.

Related Information/Setup

The above options can be enabled and disabled by Resolver Support. See the IP Authorization Overview and IP Token Validation articles for more details and important notes.

Multi-Tenancy (Multiple Orgs)

If a user is a member of multiple orgs but does not have access to an org because their IP address wasn't validated against the allow list, that org will not display after successful login. If no orgs are accessible under IP authorization control, an Access Denied error is displayed after login. 

Anonymous Login

If enabled on the org, admins can enable IP authorization control on individual anonymous Login URLs. If the user's IP address doesn't match an entry in the list, a 403 error is displayed. 

The error message displayed to unauthorized users attempting to access an Anonymous Login URL

Impersonation

Admins will have their IP addresses revalidated when initiating Impersonation Mode and when terminating it. If validation fails, the admin is logged out, which is captured in the User Audit Trail as an Unsuccessful Impersonate User event.

Failed User Validation Error