III - Administrative Sensitive
Rules and Groups employed by this XCCDF Profile
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SRG-NET-000041-VPN-000110
<GroupDescription></GroupDescription>Group -
The ICS must display the Standard Mandatory DOD Notice and Consent Banner before granting access to users.
<VulnDiscussion>Display of the DOD-approved use notification before granting access to the network device ensures privacy and security notifi...Rule Medium Severity -
SRG-NET-000053-VPN-000170
<GroupDescription></GroupDescription>Group -
The ICS must be configured to limit the number of concurrent sessions for user accounts to one.
<VulnDiscussion>VPN gateway management includes the ability to control the number of users and user sessions that utilize a VPN gateway. Limi...Rule Medium Severity -
SRG-NET-000062-VPN-000200
<GroupDescription></GroupDescription>Group -
The ICS must be configured to use TLS 1.2, at a minimum.
<VulnDiscussion>Using older unauthorized versions or incorrectly configuring protocol negotiation makes the gateway vulnerable to known and u...Rule High Severity -
SRG-NET-000078-VPN-000290
<GroupDescription></GroupDescription>Group -
The ICS must be configured to generate log records containing sufficient information about where, when, identity, source, or outcome of the events.
<VulnDiscussion>Without establishing when events occurred, it is impossible to establish, correlate, and investigate the events leading up to...Rule Low Severity -
SRG-NET-000138-VPN-000490
<GroupDescription></GroupDescription>Group -
The ICS must be configured to uniquely identify and authenticate organizational users (or processes acting on behalf of organizational users).
<VulnDiscussion>To ensure accountability and prevent unauthenticated access, organizational users must be identified and authenticated to pre...Rule Medium Severity -
SRG-NET-000140-VPN-000500
<GroupDescription></GroupDescription>Group -
The ICS must be configured to use multifactor authentication (e.g., DOD PKI) for network access to nonprivileged accounts.
<VulnDiscussion>To ensure accountability and prevent unauthenticated access, nonprivileged users must use multifactor authentication to preve...Rule High Severity -
SRG-NET-000164-VPN-000560
<GroupDescription></GroupDescription>Group -
The ICS, when utilizing PKI-based authentication, must be configured to validate certificates by constructing a certification path (which includes status information) to an accepted trust anchor.
<VulnDiscussion>Without path validation, an informed trust decision by the relying party cannot be made when presented with any certificate n...Rule Medium Severity -
SRG-NET-000213-VPN-000721
<GroupDescription></GroupDescription>Group -
The ICS must terminate remote access network connections after an organization-defined time period.
<VulnDiscussion>This SRG requirement is in response to the DoD OIG Audit of Maintaining Cybersecurity in the Coronavirus Disease-2019 Telewor...Rule Medium Severity -
SRG-NET-000334-VPN-001260
<GroupDescription></GroupDescription>Group -
The ICS must be configured to send user traffic log data to redundant central log server.
<VulnDiscussion>The aggregation of log data kept on a syslog server can be used to detect attacks and trigger an alert to the appropriate sec...Rule Medium Severity -
SRG-NET-000335-VPN-001270
<GroupDescription></GroupDescription>Group -
The ICS must be configured to forward all log failure events where the detection and/or prevention function is unable to write events to local log record or send an SNMP trap that can be forwarded to the SCA and ISSO.
<VulnDiscussion>It is critical for the appropriate personnel to be aware if a system is at risk of failing to process audit logs as required....Rule Medium Severity
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