III - Administrative Sensitive
Rules and Groups employed by this XCCDF Profile
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SRG-NET-000148-L2S-000015
Group -
The Dell OS10 Switch must uniquely identify all network-connected endpoint devices before establishing any connection.
Controlling LAN access via 802.1x authentication can assist in preventing a malicious user from connecting an unauthorized PC to a switch port to inject or receive data from the network without det...Rule High Severity -
SRG-NET-000193-L2S-000020
Group -
The Dell OS10 Switch must manage excess bandwidth to limit the effects of packet flooding types of denial-of-service (DoS) attacks.
DoS is a condition when a resource is not available for legitimate users. Packet flooding distributed denial-of-service (DDoS) attacks are referred to as volumetric attacks and have the objective o...Rule Medium Severity -
SRG-NET-000362-L2S-000021
Group -
The Dell OS10 Switch must have Root Guard enabled on all switch ports connecting to access layer switches and hosts.
Spanning Tree Protocol (STP) does not provide any means for the network administrator to securely enforce the topology of the switched network. Any switch can be the root bridge in a network. Howev...Rule Low Severity -
SRG-NET-000362-L2S-000022
Group -
The Dell OS10 Switch must have BPDU Guard enabled on all user-facing or untrusted access switch ports.
If a rogue switch is introduced into the topology and transmits a Bridge Protocol Data Unit (BPDU) with a lower bridge priority than the existing root bridge, it will become the new root bridge and...Rule Medium Severity -
SRG-NET-000362-L2S-000023
Group -
The Dell OS10 Switch must have STP Loop Guard enabled on all nondesignated STP switch ports.
The Spanning Tree Protocol (STP) loop guard feature provides additional protection against STP loops. An STP loop is created when an STP blocking port in a redundant topology erroneously transition...Rule Medium Severity -
SRG-NET-000362-L2S-000024
Group -
The Dell OS10 Switch must have Unknown Unicast Flood Blocking (UUFB) enabled.
Access layer switches use the Content Addressable Memory (CAM) table to direct traffic to specific ports based on the VLAN number and the destination MAC address of the frame. When a router has an ...Rule Medium Severity -
SRG-NET-000362-L2S-000025
Group -
The Dell OS10 Switch must have DHCP snooping for all user VLANs to validate DHCP messages from untrusted sources.
In an enterprise network, devices under administrative control are trusted sources. These devices include the switches, routers, and servers in the network. Host ports and unknown DHCP servers are ...Rule Medium Severity -
SRG-NET-000362-L2S-000026
Group -
The Dell OS10 Switch must have Source Address Validation (SAV) enabled on all user-facing or untrusted access switch ports.
IP Source Guard provides source IP address filtering on a Layer 2 port to prevent a malicious host from impersonating a legitimate host by assuming the legitimate host's IP address. The feature use...Rule Medium Severity -
SRG-NET-000362-L2S-000027
Group -
The Dell OS10 Switch must have Dynamic Address Resolution Protocol (ARP) Inspection (DAI) enabled on all user VLANs.
DAI intercepts ARP requests and verifies that each of these packets has a valid IP-to-MAC address binding before updating the local ARP cache and before forwarding the packet to the appropriate des...Rule Medium Severity -
SRG-NET-000512-L2S-000001
Group -
The Dell OS10 Switch must have Storm Control configured on all host-facing switch ports.
A traffic storm occurs when packets flood a LAN, creating excessive traffic and degrading network performance. Traffic storm control prevents network disruption by suppressing ingress traffic when ...Rule Low Severity
Node 2
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