No profile (default benchmark)
Rules and Groups employed by this XCCDF Profile
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SRG-NET-000362-L2S-000025
<GroupDescription></GroupDescription>Group -
The Juniper EX switch must be configured to enable 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-L2S-000026
<GroupDescription></GroupDescription>Group -
The Juniper EX switch must be configured to enable IP Source Guard on all user-facing or untrusted access VLANs.
<VulnDiscussion>IP Source Guard provides source IP address filtering on an untrusted layer 2 interface to prevent a malicious host from imper...Rule Medium Severity -
SRG-NET-000362-L2S-000027
<GroupDescription></GroupDescription>Group -
The Juniper EX switch must be configured to enable Dynamic Address Resolution Protocol (ARP) Inspection (DAI) 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-000001
<GroupDescription></GroupDescription>Group -
The Juniper EX switch must be configured to enable Storm Control on all host-facing access interfaces.
<VulnDiscussion>A traffic storm occurs when packets flood a LAN, creating excessive traffic and degrading network performance. Traffic storm ...Rule Low Severity -
SRG-NET-000512-L2S-000002
<GroupDescription></GroupDescription>Group -
The Juniper EX switch must be configured to enable IGMP or MLD Snooping on all VLANs.
<VulnDiscussion>IGMP and MLD snooping provides a way to constrain multicast traffic at layer 2. By monitoring the IGMP or MLD membership repo...Rule Low Severity -
SRG-NET-000512-L2S-000003
<GroupDescription></GroupDescription>Group -
If STP is used, the Juniper EX switch must be configured to implement Rapid STP, or Multiple 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 Juniper EX switch must be configured to verify two-way connectivity on all interswitch trunked interfaces.
<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-000007
<GroupDescription></GroupDescription>Group -
The Juniper EX switch must be configured to assign all disabled access interfaces to an unused VLAN.
<VulnDiscussion>It is possible that a disabled access interface that is assigned to a user or management VLAN becomes enabled by accident or ...Rule Medium Severity -
SRG-NET-000512-L2S-000008
<GroupDescription></GroupDescription>Group -
The Juniper EX switch must not be configured with VLANs used for L2 control traffic assigned to any host-facing access interface.
<VulnDiscussion>In a switched Ethernet network, some protocols use L2 Protocol Data Units (PDU) to communicate in-band management or other co...Rule Medium Severity -
SRG-NET-000512-L2S-000009
<GroupDescription></GroupDescription>Group -
The Juniper EX switch must be configured to prune the default VLAN from all trunked interfaces that do not require it.
<VulnDiscussion>All unassigned interfaces are placed into the default VLAN and devices connected to enabled, but unassigned interfaces can co...Rule Medium Severity
Node 2
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