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To understand Authentication Policies even more, let’s examine a few.From the ISE GUI, navigate to Policy Rules are processed in a top-down, first-match order; just like a firewall policy.EAP encapsulates the usernames, passwords, and certificates that a client is sending for purposes of authentication.There are many different EAP types, each one has its own benefit and downside.These options tell ISE what to do: if an authentication fails, if the user/device is unknown, or if the process fails.The options are Reject, Continue, and Drop: See Chapters 20–23 for more details on when to use these options.So, if the conditions do not match, the authentication is compared to the next rule in the policy.As shown in Figure 13-1, ISE is preconfigured with a default rule for MAC Authentication Bypass (MAB).
🙂 First, we need to create a security group in Active Directory to allow a list of specific users and computers to login to the domain.
Looking at the predefined MAB rule, this rule uses the Default Network Access list of allowed protocols (which is almost every supported authentication protocol). From the ISE GUI, perform the following steps: This section examines the most common authentication protocols seen in most environments, so you can create a more specific list of allowed protocols for your deployment.
Let’s follow Figure 13-6, from top-down: Extensible Authentication Protocol (EAP) Types EAP is an authentication framework providing for the transport and usage of identity credentials.
Very often, authentications for a remote-access VPN connection get routed to an OTP server, like RSAs Secure ID.
For this example, let’s build a rule for remote-access VPN authentications.
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This chapter examines the relationship between authentication and authorization and how to build policies for each, describing a few common Authentication Policies and Authorization Policies to help you see how to work with these policy constructs.