From z/OS RACF STIG
Part of IFTP0010
Associated with: CCI-000764
The FTP Server daemon requires special privileges and access to sensitive resources to provide its system services. Failure to properly define and control the FTP Server daemon could lead to unauthorized access. This exposure may result in the compromise of the integrity and availability of the operating system environment, ACP, and customer data.
a) Refer to the following reports produced by the RACF Data Collection: - RACFCMDS.RPT(LISTUSER) - DSMON.RPT(RACSPT) Refer to the JCL procedure libraries defined to JES2. b) Ensure the following items are in effect for the FTP daemon: 1) The FTP daemon is started from a JCL procedure library defined to JES2. NOTE: The JCL member is typically named FTPD 2) The FTP daemon userid is FTPD. 3) The FTPD userid is defined as a PROTECTED userid. 4) The FTPD userid has the following z/OS UNIX attributes: UID(0), HOME directory ‘/’, shell program /bin/sh. 5) A matching entry in the STARTED resource class exists enabling the use of the standard userid and appropriate group. c) If all of the items in (b) are true, there is NO FINDING. d) If any item in (b) is untrue, this is a FINDING.
Evaluate the impact of correcting any deficiencies. Develop a plan of action and implement the required changes. Ensure the following items are in effect for all MCS consoles: 1. The FTP daemon userid must be FTPD and a matching entry in the STARTED resource class exists enabling the use of the standard userid and an appropriate group. 2. The FTPD userid is defined as a PROTECTED userid. 3) The FTPD userid has the following z/OS UNIX attributes: UID(0), HOME directory ‘/’, shell program /bin/sh. Sample commands to accomplish these requirements are shown here: Add the FTPD userid: AU FTPD NAME('STC, FTP Daemon') NOPASSWORD NOOIDCARD DFLTGRP(STCTCPX) OWNER(STCTCPX) OMVS(UID(0) HOME('/') PROGRAM('/bin/sh')) RDEF STARTED FTPD.** UACC(NONE) OWNER(ADMIN) AUDIT(ALL(READ)) STDATA(USER(=MEMBER) GROUP(STCTCPX) TRACE(YES)) Additional permissions may be required. See SYS1.TCPIP.SEZAINST(EZARACF) or IBM Comm Server: IP Config Guide.
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