---
title: "Ignored IP addresses in two phased authentication (optional)"
slug: "ignored-ip-addresses-in-two-phased-authentication-optional-3-1-1-1-1-1-4"
updated: 2026-05-13T10:30:57Z
published: 2026-06-24T11:18:49Z
canonical: "support.keypro.fi/ignored-ip-addresses-in-two-phased-authentication-optional-3-1-1-1-1-1-4"
excludeFromSearch: true
excludeFromExternalSearch: true
---

> ## Documentation Index
> Fetch the complete documentation index at: https://support.keypro.fi/llms.txt
> Use this file to discover all available pages before exploring further.

# Ignored IP addresses in two phased authentication (optional)

Select **Keycore_auth_sms** -> **Ignored IP addresses in two phased authentication**

- **IP addres**s: IP address for which two phased authentication is not required.
- **Netmask**: an alternative way to define the IP network (received requests) for which two phased authentication is not required.
  - For example, two phased authentication is not required for log-ins from the IP addresses 10.121.6.1-10.121.6.255:
    - IP address: 10.121.6.0
    - Netmask: 24

**Note:** Ignored IP addresses in two phased authentication is available only if the Two phased authentication additional service has been ordered.

Enabling two phased authentication for users is described in the [Defining two phased authentication for a user (optional)](/kb/docs/managing-usernames-and-user-data-4-1-1-1-1-1-4) chapter.