# Internet Explorer not sending NTLM authentication

DevFeed: [Internet Explorer not sending NTLM authentication](<https://devfeed.tech/articles/internet-explorer-not-sending-ntlm-authentication-35420.md>)

Original publisher: [Read original article](<https://darkcoding.net/software/internet-explorer-not-sending-ntlm-authentication/>)

Author: Graham King

Published: 2008-10-29T21:01:12Z

Content type: tutorial

Language: en

Sources: [Graham King](<https://devfeed.tech/sources/graham-king.md>)

Topics: [Internet Explorer](<https://devfeed.tech/topics/internet-explorer.md>), [Authentication](<https://devfeed.tech/topics/authentication.md>), [trust](<https://devfeed.tech/topics/trust.md>), [Windows](<https://devfeed.tech/topics/windows.md>), [Perl](<https://devfeed.tech/topics/perl.md>)

Tags: [authentication](<https://devfeed.tech/tags/authentication.md>), [internet-explorer](<https://devfeed.tech/tags/internet-explorer.md>), [perl](<https://devfeed.tech/tags/perl.md>), [security](<https://devfeed.tech/tags/security.md>), [software](<https://devfeed.tech/tags/software.md>), [trust](<https://devfeed.tech/tags/trust.md>), [windows](<https://devfeed.tech/tags/windows.md>)

## AI overview

This article explains why Internet Explorer may refuse to send NTLM authentication when a Windows domain differs from the domain hosting a Twiki site. It recommends adding the site to Internet Explorer's trusted sites under Local Intranet settings.

## Source excerpt

Taming IE's trust issues: A quick fix for cross-domain NTLM authentication.