May 2018
Intermediate to advanced
326 pages
8h 32m
English
Content preview from Practical Network Scanning
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Authentication NTLM versus Kerberos
NT LAN Manager (NTLM) and Kerberos are both authentication protocols that do not play any role in terms of authorization. NTLM is a proprietary authentication protocol developed by Microsoft, whereas Kerberos is a standard protocol. Starting with Win2K, Microsoft implements Kerberos as the default authentication protocol for the Windows OS. However, if the Kerberos protocol is not negotiated for some reason, then Active Directory (AD) will use LM, NTLM, or NTLM version 2 (NTLMv2).
Kerberos is a cryptographic network protocol that works for authenticating users to resources, which involves a client, server, and a Key Distribution Center (KDC). Kerberos was named after Cerberus, the three-headed dog of Greek ...
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