Layer 2 Switch Security Requirements Guide
Rules, Groups, and Values defined within the XCCDF Benchmark
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The layer 2 switch must have DHCP snooping for all user VLANs to validate DHCP messages from untrusted sources.
<VulnDiscussion>In an enterprise network, devices under administrative control are trusted sources. These devices include the switches, route...Rule Medium Severity -
SRG-NET-000362
<GroupDescription></GroupDescription>Group -
The layer 2 switch must have IP Source Guard enabled on all user-facing or untrusted access switch ports.
<VulnDiscussion>IP Source Guard provides source IP address filtering on a Layer 2 port to prevent a malicious host from impersonating a legit...Rule Medium Severity -
The layer 2 switch must be configured to fail securely in the event of an operational failure.
<VulnDiscussion>If the switch fails in an unsecure manner (open), unauthorized traffic originating externally to the enclave may enter or the...Rule Medium Severity -
SRG-NET-000331
<GroupDescription></GroupDescription>Group -
The layer 2 switch must provide the capability for authorized users to select a user session to capture.
<VulnDiscussion>Without the capability to select a user session to capture/record or view/hear, investigations into suspicious or harmful eve...Rule Medium Severity -
SRG-NET-000332
<GroupDescription></GroupDescription>Group -
The layer 2 switch must provide the capability for authorized users to remotely view, in real time, all content related to an established user session from a component separate from the layer 2 switch.
<VulnDiscussion>Without the capability to remotely view/hear all content related to a user session, investigations into suspicious user activ...Rule Medium Severity -
SRG-NET-000343
<GroupDescription></GroupDescription>Group -
The layer 2 switch must authenticate all network-connected endpoint devices before establishing any connection.
<VulnDiscussion>Without authenticating devices, unidentified or unknown devices may be introduced, thereby facilitating malicious activity. ...Rule Medium Severity
Node 2
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