Nov 23, 2020 
Support Center » Knowledgebase » What is NTLM Authentication
 What is NTLM Authentication
Solution WinRoute Firewall

NTLM is an authentication protocol used in various Microsoft network protocol implementations and is also used throughout Microsoft\'s systems as an integrated single sign-on mechanism. If you use Microsoft Internet Explorer (5.01 and later), users can be authenticated automatically at the firewall (using NTLM authentication). This function requires the following conditions: 1. The WinRoute host must belong to a Windows NT or Windows 2000 domain. 2. Client hosts must belong to this domain as well. 3. Users at client hosts must log into this domain. Local user accounts cannot be used in this case. 4. WinRoute Firewall Engine must run as a service or it must be run as a user which has administrator rights for the host. 5. NTLM authentication cannot be used for authentication within an internal database.

Article Details
Article ID: 40
Created On: Aug 11, 2004 09:54 AM

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