II - Mission Support Classified
Rules and Groups employed by this XCCDF Profile
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SRG-OS-000021-GPOS-00005
<GroupDescription></GroupDescription>Group -
The Photon operating system must include root when automatically locking an account until the locked account is released by an administrator when three unsuccessful logon attempts occur during a 15-minute time period.
<VulnDiscussion>By limiting the number of failed logon attempts, the risk of unauthorized system access via user password guessing, otherwise...Rule Medium Severity -
SRG-OS-000021-GPOS-00005
<GroupDescription></GroupDescription>Group -
The Photon operating system must persist lockouts between system reboots.
<VulnDiscussion>By limiting the number of failed logon attempts, the risk of unauthorized system access via user password guessing, otherwise...Rule Medium Severity -
SRG-OS-000069-GPOS-00037
<GroupDescription></GroupDescription>Group -
The Photon operating system must be configured to use the pam_pwquality.so module.
<VulnDiscussion>Use of a complex password helps to increase the time and resources required to compromise the password. Password complexity, ...Rule Medium Severity -
SRG-OS-000366-GPOS-00153
<GroupDescription></GroupDescription>Group -
The Photon operating system TDNF package management tool must cryptographically verify the authenticity of all software packages during installation for all repos.
<VulnDiscussion>Installation of any nontrusted software, patches, service packs, device drivers, or operating system components can significa...Rule High Severity -
SRG-OS-000032-GPOS-00013
<GroupDescription></GroupDescription>Group -
The Photon operating system must configure the Secure Shell (SSH) SyslogFacility.
<VulnDiscussion>Automated monitoring of remote access sessions allows organizations to detect cyber attacks and ensure ongoing compliance wit...Rule Medium Severity -
SRG-OS-000032-GPOS-00013
<GroupDescription></GroupDescription>Group -
The Photon operating system must enable Secure Shell (SSH) authentication logging.
<VulnDiscussion>Automated monitoring of remote access sessions allows organizations to detect cyberattacks and ensure ongoing compliance with...Rule Medium Severity -
SRG-OS-000163-GPOS-00072
<GroupDescription></GroupDescription>Group -
The Photon operating system must terminate idle Secure Shell (SSH) sessions.
<VulnDiscussion>Terminating an idle session within a short time period reduces the window of opportunity for unauthorized personnel to take c...Rule Medium Severity -
SRG-OS-000239-GPOS-00089
<GroupDescription></GroupDescription>Group -
The Photon operating system must audit all account modifications.
<VulnDiscussion>Once an attacker establishes access to a system, the attacker often attempts to create a persistent method of reestablishing ...Rule Medium Severity -
SRG-OS-000480-GPOS-00226
<GroupDescription></GroupDescription>Group -
The Photon operating system must enforce a delay of at least four seconds between logon prompts following a failed logon attempt.
<VulnDiscussion>Limiting the number of logon attempts over a certain time interval reduces the chances that an unauthorized user may gain acc...Rule Medium Severity -
SRG-OS-000480-GPOS-00229
<GroupDescription></GroupDescription>Group -
The Photon operating system must configure Secure Shell (SSH) to disallow authentication with an empty password.
<VulnDiscussion>Blank passwords are one of the first things an attacker checks for when probing a system. Even if the user somehow has a blan...Rule High Severity
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