IBM z/OS RACF Security Technical Implementation Guide
Rules, Groups, and Values defined within the XCCDF Benchmark
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SRG-OS-000075-GPOS-00043
<GroupDescription></GroupDescription>Group -
The IBM RACF SETROPTS PASSWORD(MINCHANGE) value must be set to 1.
<VulnDiscussion>Enforcing a minimum password lifetime helps to prevent repeated password changes to defeat the password reuse or history enfo...Rule Medium Severity -
SRG-OS-000076-GPOS-00044
<GroupDescription></GroupDescription>Group -
IBM RACF SETROPTS PASSWORD(INTERVAL) must be set to 60 days.
<VulnDiscussion>Any password, no matter how complex, can eventually be cracked. Therefore, passwords need to be changed periodically. If the ...Rule Medium Severity -
The IBM RACF PASSWORD(HISTORY) SETROPTS value must be set to five or more.
<VulnDiscussion>Password complexity, or strength, is a measure of the effectiveness of a password in resisting attempts at guessing and brute...Rule Medium Severity -
NIST FIPS-validated cryptography must be used to protect passwords in the security database.
<VulnDiscussion>Password complexity is one factor of several that determines how long it takes to crack a password. The more complex the pass...Rule High Severity -
SRG-OS-000138-GPOS-00069
<GroupDescription></GroupDescription>Group -
The IBM RACF ERASE ALL SETROPTS value must be set to ERASE(ALL) on all systems.
<VulnDiscussion>Preventing unauthorized information transfers mitigates the risk of information, including encrypted representations of infor...Rule Medium Severity -
SRG-OS-000080-GPOS-00048
<GroupDescription></GroupDescription>Group -
IBM RACF DASD Management USERIDs must be properly controlled.
<VulnDiscussion>To mitigate the risk of unauthorized access to sensitive information by entities that have been issued certificates by DoD-ap...Rule Medium Severity -
SRG-OS-000032-GPOS-00013
<GroupDescription></GroupDescription>Group -
IBM z/OS SMF recording options for the FTP Server must be configured to write SMF records for all eligible events.
<VulnDiscussion>The FTP Server can provide audit data in the form of SMF records. The SMF data produced by the FTP Server provides transactio...Rule Medium Severity -
SRG-OS-000080-GPOS-00048
<GroupDescription></GroupDescription>Group -
IBM RACF permission bits and user audit bits for HFS objects that are part of the FTP server component must be properly configured.
<VulnDiscussion>MVS data sets of the FTP Server provide the configuration and operational characteristics of this product. Failure to properl...Rule Medium Severity -
SRG-OS-000080-GPOS-00048
<GroupDescription></GroupDescription>Group -
IBM z/OS FTP.DATA configuration statements must indicate a BANNER statement with the proper content.
<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-000228-GPOS-00088
<GroupDescription></GroupDescription>Group -
IBM z/OS FTP.DATA configuration statements for the FTP server must specify the BANNER statement.
<VulnDiscussion>Display of a standardized and approved use notification before granting access to the publicly accessible operating system en...Rule Medium Severity -
SRG-OS-000480-GPOS-00227
<GroupDescription></GroupDescription>Group -
IBM z/OS FTP.DATA configuration statements for the FTP Server must be specified in accordance with requirements.
<VulnDiscussion>This requirement is intended to cover both traditional interactive logons to information systems and general accesses to info...Rule Medium Severity
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