---
title: IP filter
description: Use IP filter criteria to filter the users based on the user's IP addresses. Both IPv4 and IPv6 are supported.
locale: en-US
canonical_url: https://www.servicenow.com/docs/r/platform-security/authentication/ip-filter.html
release: brazil
product: Authentication
classification: authentication
topic_type: concept
last_updated: "2026-09-10"
reading_time_minutes: 1
breadcrumb: [Filter criteria, Adaptive authentication, Authentication, Access Management]
---

# IP filter

Use IP filter criteria to filter the users based on the user's IP addresses. Both IPv4 and IPv6 are supported.

IP filter criteria enables you to filter users based on the user's IP addresses. You can configure an authentication policy to allow or deny access to a specific address or range of addresses.