When using the Radius server to authenticate users, (the topology is as shown below), not only must the username and password be stored on the Radius server, but the username and password must also be configured on the firewall.
Note: By configuring a static fingerprint, the packets that hit the fingerprint are processed accordingly to defend against attack traffic. First, the TCP/UDP/custom service can extract fingerprints based on the payload (that is, the data segment of the packet); second, the DNS packet extracts the fingerprint for the domain name; and third, the HTTP packet is extracted for the Uniform Resource Identifier (URI). fingerprint.
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