I - Mission Critical Sensitive
Rules and Groups employed by this XCCDF Profile
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SRG-OS-000480-GPOS-00227
<GroupDescription></GroupDescription>Group -
IBM z/OS Configuration files for the TCP/IP stack must be properly specified.
<VulnDiscussion>Configuring the operating system to implement organization-wide security implementation guides and security checklists ensure...Rule Medium Severity -
SRG-OS-000104-GPOS-00051
<GroupDescription></GroupDescription>Group -
IBM z/OS started tasks for the Base TCP/IP component must be defined in accordance with security requirements.
<VulnDiscussion>To assure accountability and prevent unauthenticated access, organizational users must be identified and authenticated to pre...Rule Medium Severity -
SRG-OS-000297-GPOS-00115
<GroupDescription></GroupDescription>Group -
IBM z//OS must be configured to restrict all TCP/IP ports to ports, protocols, and/or services as defined in the PPSM CAL and vulnerability assessments.
<VulnDiscussion>Remote access services, such as those providing remote access to network devices and information systems, which lack automate...Rule Medium Severity -
SRG-OS-000023-GPOS-00006
<GroupDescription></GroupDescription>Group -
IBM z/OS TN3270 Telnet server configuration statement MSG10 text must have the Standard Mandatory DoD Notice and Consent Banner.
<VulnDiscussion>Display of a standardized and approved use notification before granting access to the operating system ensures privacy and se...Rule Medium Severity -
SRG-OS-000392-GPOS-00172
<GroupDescription></GroupDescription>Group -
IBM z/OS SMF recording options for the TN3270 Telnet server must be properly specified.
<VulnDiscussion>Remote access services, such as those providing remote access to network devices and information systems, which lack automate...Rule Medium Severity -
SRG-OS-000033-GPOS-00014
<GroupDescription></GroupDescription>Group -
IBM z/OS SSL encryption options for the TN3270 Telnet server must be specified properly for each statement that defines a SECUREPORT or within the TELNETGLOBALS.
<VulnDiscussion>Without confidentiality protection mechanisms, unauthorized individuals may gain access to sensitive information via a remote...Rule Medium Severity -
SRG-OS-000480-GPOS-00227
<GroupDescription></GroupDescription>Group -
IBM z/OS VTAM session setup controls for the TN3270 Telnet server must be properly specified.
<VulnDiscussion>Configuring the operating system to implement organization-wide security implementation guides and security checklists ensure...Rule Medium Severity -
SRG-OS-000163-GPOS-00072
<GroupDescription></GroupDescription>Group -
IBM z/OS PROFILE.TCPIP configuration for the TN3270 Telnet server must have the INACTIVE statement properly specified.
<VulnDiscussion>Terminating network connections associated with communications sessions includes, for example, de-allocating associated TCP/I...Rule Medium Severity -
SRG-OS-000425-GPOS-00189
<GroupDescription></GroupDescription>Group -
IBM z/OS TELNETPARMS or TELNETGLOBALS must specify a SECUREPORT statement for systems requiring confidentiality and integrity.
<VulnDiscussion>Information can be either unintentionally or maliciously disclosed or modified during preparation for transmission, for examp...Rule Medium Severity -
SRG-OS-000080-GPOS-00048
<GroupDescription></GroupDescription>Group -
IBM Z/OS TSOAUTH resources must be restricted to authorized users.
<VulnDiscussion>To mitigate the risk of unauthorized access to sensitive information by entities that have been issued certificates by DoD-ap...Rule Medium Severity
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