III - Administrative Sensitive
Rules and Groups employed by this XCCDF Profile
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SRG-NET-000078-RTR-000001
Group -
The Cisco switch must be configured to log all packets that have been dropped at interfaces via an access control list (ACL).
Auditing and logging are key components of any security architecture. It is essential for security personnel to know what is being done or attempted to be done, and by whom, to compile an accurate ...Rule Low Severity -
SRG-NET-000076-RTR-000001
Group -
The Cisco switch must be configured to produce audit records containing information to establish where the events occurred.
Without establishing where events occurred, it is impossible to establish, correlate, and investigate the events leading up to an outage or attack. To compile an accurate risk assessment and prov...Rule Medium Severity -
SRG-NET-000077-RTR-000001
Group -
The Cisco switch must be configured to produce audit records containing information to establish the source of the events.
Without establishing the source of the event, it is impossible to establish, correlate, and investigate the events leading up to an outage or attack. To compile an accurate risk assessment and pr...Rule Medium Severity -
SRG-NET-000019-RTR-000001
Group -
The Cisco switch must be configured to disable the auxiliary port unless it is connected to a secured modem providing encryption and authentication.
The use of POTS lines to modems connecting to network devices provides clear text of authentication traffic over commercial circuits that could be captured and used to compromise the network. Addit...Rule Low Severity -
SRG-NET-000202-RTR-000001
Group -
The Cisco perimeter switch must be configured to deny network traffic by default and allow network traffic by exception.
A deny-all, permit-by-exception network communications traffic policy ensures that only connections that are essential and approved are allowed. This requirement applies to both inbound and outbo...Rule High Severity -
SRG-NET-000019-RTR-000002
Group -
The Cisco perimeter switch must be configured to enforce approved authorizations for controlling the flow of information between interconnected networks in accordance with applicable policy.
Information flow control regulates authorized information to travel within a network and between interconnected networks. Controlling the flow of network traffic is critical so it does not introduc...Rule Medium Severity -
SRG-NET-000364-RTR-000109
Group -
The Cisco perimeter switch must be configured to only allow incoming communications from authorized sources to be routed to authorized destinations.
Unrestricted traffic may contain malicious traffic that poses a threat to an enclave or to other connected networks. Additionally, unrestricted traffic may transit a network, which uses bandwidth a...Rule Medium Severity -
SRG-NET-000364-RTR-000110
Group -
The Cisco perimeter switch must be configured to block inbound packets with source Bogon IP address prefixes.
Packets with Bogon IP source addresses should never be allowed to traverse the IP core. Bogon IP networks are RFC1918 addresses or address blocks that have never been assigned by the IANA or have b...Rule Medium Severity -
SRG-NET-000205-RTR-000003
Group -
The Cisco perimeter switch must be configured to filter traffic destined to the enclave in accordance with the guidelines contained in DoD Instruction 8551.1.
Vulnerability assessments must be reviewed by the System Administrator, and protocols must be approved by the Information Assurance (IA) staff before entering the enclave. Access control lists (A...Rule Medium Severity -
SRG-NET-000205-RTR-000004
Group -
The Cisco perimeter switch must be configured to filter ingress traffic at the external interface on an inbound direction.
Access lists are used to separate data traffic into that which it will route (permitted packets) and that which it will not route (denied packets). Secure configuration of switches makes use of acc...Rule Medium Severity
Node 2
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