I - Mission Critical Public
Rules and Groups employed by this XCCDF Profile
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SRG-NET-000362-L2S-000026
<GroupDescription></GroupDescription>Group -
The HP FlexFabric 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 -
SRG-NET-000362-L2S-000027
<GroupDescription></GroupDescription>Group -
The HP FlexFabric Switch must have Dynamic ARP Inspection (DAI) enabled on all user VLANs.
<VulnDiscussion>DAI intercepts Address Resolution Protocol (ARP) requests and verifies that each of these packets has a valid IP-to-MAC addre...Rule Medium Severity -
SRG-NET-000512-L2S-000003
<GroupDescription></GroupDescription>Group -
The HP FlexFabric Switch must implement Rapid STP where VLANs span multiple switches with redundant links.
<VulnDiscussion>Spanning Tree Protocol (STP) is implemented on bridges and switches to prevent layer 2 loops when a broadcast domain spans mu...Rule Medium Severity -
SRG-NET-000512-L2S-000004
<GroupDescription></GroupDescription>Group -
The HP FlexFabric Switch must enable Device Link Detection Protocol (DLDP) to protect against one-way connections.
<VulnDiscussion>In topologies where fiber optic interconnections are used, physical misconnections can occur that allow a link to appear to b...Rule Medium Severity -
SRG-NET-000512-L2S-000005
<GroupDescription></GroupDescription>Group -
The HP FlexFabric Switch must have all trunk links enabled statically.
<VulnDiscussion>When trunk negotiation is enabled via Dynamic Trunk Protocol (DTP), considerable time can be spent negotiating trunk settings...Rule Medium Severity -
SRG-NET-000512-L2S-000007
<GroupDescription></GroupDescription>Group -
The HP FlexFabric Switch must have all disabled switch ports assigned an unused VLAN.
<VulnDiscussion>It is possible that a disabled port that is assigned to a user or management VLAN becomes enabled by accident or by an attack...Rule Medium Severity -
SRG-NET-000512-L2S-000008
<GroupDescription></GroupDescription>Group -
The HP FlexFabric Switch must not have the default VLAN assigned to any host-facing switch ports.
<VulnDiscussion>In a VLAN-based network, switches use the default VLAN (i.e., VLAN 1) for in-band management and to communicate with other ne...Rule Medium Severity -
SRG-NET-000512-L2S-000009
<GroupDescription></GroupDescription>Group -
The HP FlexFabric Switch must have the default VLAN pruned from all trunk ports that do not require it.
<VulnDiscussion>The default VLAN (i.e., VLAN 1) is a special VLAN used for control plane traffic such as Spanning-Tree Protocol (STP), Dynami...Rule Medium Severity -
SRG-NET-000512-L2S-000010
<GroupDescription></GroupDescription>Group -
The HP FlexFabric Switch must not use the default VLAN for management traffic.
<VulnDiscussion>Switches use the default VLAN (i.e., VLAN 1) for in-band management and to communicate with directly connected switches using...Rule Medium Severity -
SRG-NET-000512-L2S-000011
<GroupDescription></GroupDescription>Group -
The HP FlexFabric Switch must have all user-facing or untrusted ports configured as access switch ports.
<VulnDiscussion>Double encapsulation can be initiated by an attacker who has access to a switch port belonging to the native VLAN of the trun...Rule Medium Severity
Node 2
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