II - Mission Support Public
Rules and Groups employed by this XCCDF Profile
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SRG-OS-000480-GPOS-00227
<GroupDescription></GroupDescription>Group -
The Oracle Linux operating system must not have a File Transfer Protocol (FTP) server package installed unless needed.
<VulnDiscussion>The FTP service provides an unencrypted remote access that does not provide for the confidentiality and integrity of user pas...Rule High Severity -
SRG-OS-000480-GPOS-00227
<GroupDescription></GroupDescription>Group -
The Oracle Linux operating system must not have the Trivial File Transfer Protocol (TFTP) server package installed if not required for operational support.
<VulnDiscussion>If TFTP is required for operational support (such as the transmission of router configurations) its use must be documented wi...Rule High Severity -
SRG-OS-000480-GPOS-00227
<GroupDescription></GroupDescription>Group -
The Oracle Linux operating system must be configured so that remote X connections are disabled, unless to fulfill documented and validated mission requirements.
<VulnDiscussion>The security risk of using X11 forwarding is that the client's X11 display server may be exposed to attack when the SSH clien...Rule Medium Severity -
SRG-OS-000480-GPOS-00227
<GroupDescription></GroupDescription>Group -
The Oracle Linux operating system must be configured so that if the Trivial File Transfer Protocol (TFTP) server is required, the TFTP daemon is configured to operate in secure mode.
<VulnDiscussion>Restricting TFTP to a specific directory prevents remote users from copying, transferring, or overwriting system files.</V...Rule Medium Severity -
SRG-OS-000480-GPOS-00227
<GroupDescription></GroupDescription>Group -
The Oracle Linux operating system must not have a graphical display manager installed unless approved.
<VulnDiscussion>Internet services not required for system or application processes must not be active to decrease the attack surface of the s...Rule Medium Severity -
SRG-OS-000480-GPOS-00227
<GroupDescription></GroupDescription>Group -
The Oracle Linux operating system must not be performing packet forwarding unless the system is a router.
<VulnDiscussion>Routing protocol daemons are typically used on routers to exchange network topology information with other routers. If this s...Rule Medium Severity -
SRG-OS-000480-GPOS-00227
<GroupDescription></GroupDescription>Group -
The Oracle Linux operating system must be configured so that the Network File System (NFS) is configured to use RPCSEC_GSS.
<VulnDiscussion>When an NFS server is configured to use RPCSEC_SYS, a selected userid and groupid are used to handle requests from the remote...Rule Medium Severity -
SRG-OS-000480-GPOS-00227
<GroupDescription></GroupDescription>Group -
SNMP community strings on the Oracle Linux operating system must be changed from the default.
<VulnDiscussion>Whether active or not, default Simple Network Management Protocol (SNMP) community strings must be changed to maintain securi...Rule High Severity -
SRG-OS-000480-GPOS-00227
<GroupDescription></GroupDescription>Group -
The Oracle Linux operating system access control program must be configured to grant or deny system access to specific hosts and services.
<VulnDiscussion>If the systems access control program is not configured with appropriate rules for allowing and denying access to system netw...Rule Medium Severity -
SRG-OS-000480-GPOS-00227
<GroupDescription></GroupDescription>Group -
The Oracle Linux operating system must not have unauthorized IP tunnels configured.
<VulnDiscussion>IP tunneling mechanisms can be used to bypass network filtering. If tunneling is required, it must be documented with the Inf...Rule Medium Severity
Node 2
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