Kerberos Authentication Protocol : Kerberos Authentication What It Is How It Works Bmc Software Blogs
kerberos is based on the concept of a trusted third party that performs secure verification of users and services. In addition, kerberos supports both impersonation and delegation, while ntlm only supports impersonation. Once kerberos logging is enabled, then, log into stuff and watch the event log. kerberos is the default authentication protocol for active directory domains starting with windows 2000 and it has been the recommended authentication protocol for almost two decades. The key distribution center (kdc) is the component of kerberos that is responsible for issuing credentials. kerberos, a computer network authentication protocol, provides secure communication over the internet. kerberos is more secure and faster than ntlm. Instead, the kdc will save a prof ile. Review this article to see other advantages of using kerberos over ntlm.
It has the following characteristics: Ntlm has a challenge/response mechanism. When a user logs in, the user authenticates to a domain controller that gives an initial ticket granting ticket (tgt). kerberos clients need to send udp and tcp packets on port 88 and receive replies from the kerberos servers. Initially, there is an authentication request from the client. Ntlm is an older protocol and does not support newer encryption protocols. To understand the conceptual framework, see kerberos authentication.
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