| UBTU-16-010710 - All files and directories must have a valid group owner. | DISA STIG Ubuntu 16.04 LTS v2r3 | Unix | ACCESS CONTROL |
| UBTU-16-010810 - File systems that are used with removable media must be mounted to prevent files with the setuid and setguid bit set from being executed. | DISA STIG Ubuntu 16.04 LTS v2r3 | Unix | CONFIGURATION MANAGEMENT |
| UBTU-16-011020 - Library files must be group-owned by root. | DISA STIG Ubuntu 16.04 LTS v2r3 | Unix | CONFIGURATION MANAGEMENT |
| UBTU-16-011030 - System commands must have mode 0755 or less permissive. | DISA STIG Ubuntu 16.04 LTS v2r3 | Unix | CONFIGURATION MANAGEMENT |
| UBTU-16-020000 - Audit records must contain information to establish what type of events occurred, the source of events, where events occurred, and the outcome of events - installed | DISA STIG Ubuntu 16.04 LTS v2r3 | Unix | AUDIT AND ACCOUNTABILITY, CONFIGURATION MANAGEMENT, MAINTENANCE |
| UBTU-16-020021 - The Ubuntu operating system must notify the System Administrator (SA) and Information System Security Officer (ISSO) (at a minimum) when allocated audit record storage volume reaches 75% of the repository maximum audit record storage capacity. | DISA STIG Ubuntu 16.04 LTS v2r3 | Unix | AUDIT AND ACCOUNTABILITY |
| UBTU-16-020040 - The System Administrator (SA) and Information System Security Officer (ISSO) (at a minimum) must be alerted of an audit processing failure event. | DISA STIG Ubuntu 16.04 LTS v2r3 | Unix | AUDIT AND ACCOUNTABILITY |
| UBTU-16-020070 - The remote audit system must take appropriate action when audit storage is full. | DISA STIG Ubuntu 16.04 LTS v2r3 | Unix | AUDIT AND ACCOUNTABILITY |
| UBTU-16-020090 - Audit logs must have a mode of 0600 or less permissive to prevent unauthorized read access. | DISA STIG Ubuntu 16.04 LTS v2r3 | Unix | AUDIT AND ACCOUNTABILITY, SYSTEM AND INFORMATION INTEGRITY |
| UBTU-16-020110 - Audit logs must be owned by root to prevent unauthorized read access. | DISA STIG Ubuntu 16.04 LTS v2r3 | Unix | AUDIT AND ACCOUNTABILITY |
| UBTU-16-020130 - Audit log directory must be owned by root to prevent unauthorized read access. | DISA STIG Ubuntu 16.04 LTS v2r3 | Unix | AUDIT AND ACCOUNTABILITY |
| UBTU-16-020150 - The Ubuntu operating system must allow only the Information System Security Manager (ISSM) (or individuals or roles appointed by the ISSM) to select which auditable events are to be audited - audit.rules | DISA STIG Ubuntu 16.04 LTS v2r3 | Unix | AUDIT AND ACCOUNTABILITY |
| UBTU-16-020180 - Audit tools must have a mode of 0755 or less permissive - ausearch | DISA STIG Ubuntu 16.04 LTS v2r3 | Unix | AUDIT AND ACCOUNTABILITY |
| UBTU-16-020200 - Audit tools must be group-owned by root - audispd | DISA STIG Ubuntu 16.04 LTS v2r3 | Unix | AUDIT AND ACCOUNTABILITY |
| UBTU-16-020210 - The audit event multiplexor must be configured to off-load audit logs onto a different system or storage media from the system being audited. | DISA STIG Ubuntu 16.04 LTS v2r3 | Unix | AUDIT AND ACCOUNTABILITY |
| UBTU-16-020300 - The Ubuntu operating system must generate audit records for all account creations, modifications, disabling, and termination events that affect /etc/passwd. | DISA STIG Ubuntu 16.04 LTS v2r3 | Unix | ACCESS CONTROL, AUDIT AND ACCOUNTABILITY, MAINTENANCE |
| UBTU-16-020320 - The Ubuntu operating system must generate audit records for all account creations, modifications, disabling, and termination events that affect /etc/gshadow. | DISA STIG Ubuntu 16.04 LTS v2r3 | Unix | ACCESS CONTROL, AUDIT AND ACCOUNTABILITY, MAINTENANCE |
| UBTU-16-020380 - Successful/unsuccessful uses of the mount command must generate an audit record - b32 | DISA STIG Ubuntu 16.04 LTS v2r3 | Unix | AUDIT AND ACCOUNTABILITY, MAINTENANCE |
| UBTU-16-020380 - Successful/unsuccessful uses of the mount command must generate an audit record - b64 | DISA STIG Ubuntu 16.04 LTS v2r3 | Unix | AUDIT AND ACCOUNTABILITY, MAINTENANCE |
| UBTU-16-020450 - The audit system must be configured to audit any usage of the kmod command. | DISA STIG Ubuntu 16.04 LTS v2r3 | Unix | AUDIT AND ACCOUNTABILITY, MAINTENANCE |
| UBTU-16-020470 - The audit system must be configured to audit any usage of the lsetxattr system call - root b64 | DISA STIG Ubuntu 16.04 LTS v2r3 | Unix | AUDIT AND ACCOUNTABILITY, MAINTENANCE |
| UBTU-16-020470 - The audit system must be configured to audit any usage of the lsetxattr system call - user b32 | DISA STIG Ubuntu 16.04 LTS v2r3 | Unix | AUDIT AND ACCOUNTABILITY, MAINTENANCE |
| UBTU-16-020470 - The audit system must be configured to audit any usage of the lsetxattr system call - user b64 | DISA STIG Ubuntu 16.04 LTS v2r3 | Unix | AUDIT AND ACCOUNTABILITY, MAINTENANCE |
| UBTU-16-020490 - The audit system must be configured to audit any usage of the removexattr system call - user b32 | DISA STIG Ubuntu 16.04 LTS v2r3 | Unix | AUDIT AND ACCOUNTABILITY, MAINTENANCE |
| UBTU-16-020490 - The audit system must be configured to audit any usage of the removexattr system call - user b64 | DISA STIG Ubuntu 16.04 LTS v2r3 | Unix | AUDIT AND ACCOUNTABILITY, MAINTENANCE |
| UBTU-16-020560 - Successful/unsuccessful uses of the chmod command must generate an audit record - b32 | DISA STIG Ubuntu 16.04 LTS v2r3 | Unix | AUDIT AND ACCOUNTABILITY, MAINTENANCE |
| UBTU-16-020580 - Successful/unsuccessful uses of the fchmodat command must generate an audit record - b64 | DISA STIG Ubuntu 16.04 LTS v2r3 | Unix | AUDIT AND ACCOUNTABILITY, MAINTENANCE |
| UBTU-16-020590 - Successful/unsuccessful uses of the open command must generate an audit record - EACCES b32 | DISA STIG Ubuntu 16.04 LTS v2r3 | Unix | AUDIT AND ACCOUNTABILITY, MAINTENANCE |
| UBTU-16-020590 - Successful/unsuccessful uses of the open command must generate an audit record - EPERM b32 | DISA STIG Ubuntu 16.04 LTS v2r3 | Unix | AUDIT AND ACCOUNTABILITY, MAINTENANCE |
| UBTU-16-020590 - Successful/unsuccessful uses of the open command must generate an audit record - EPERM b64 | DISA STIG Ubuntu 16.04 LTS v2r3 | Unix | AUDIT AND ACCOUNTABILITY, MAINTENANCE |
| UBTU-16-020600 - Successful/unsuccessful uses of the truncate command must generate an audit record - EACCES b32 | DISA STIG Ubuntu 16.04 LTS v2r3 | Unix | AUDIT AND ACCOUNTABILITY, MAINTENANCE |
| UBTU-16-020600 - Successful/unsuccessful uses of the truncate command must generate an audit record - EPERM b64 | DISA STIG Ubuntu 16.04 LTS v2r3 | Unix | AUDIT AND ACCOUNTABILITY, MAINTENANCE |
| UBTU-16-020610 - Successful/unsuccessful uses of the ftruncate command must generate an audit record - EACCES b32 | DISA STIG Ubuntu 16.04 LTS v2r3 | Unix | AUDIT AND ACCOUNTABILITY, MAINTENANCE |
| UBTU-16-020620 - Successful/unsuccessful uses of the creat command must generate an audit record - EACCES b32 | DISA STIG Ubuntu 16.04 LTS v2r3 | Unix | AUDIT AND ACCOUNTABILITY, MAINTENANCE |
| UBTU-16-020620 - Successful/unsuccessful uses of the creat command must generate an audit record - EACCES b64 | DISA STIG Ubuntu 16.04 LTS v2r3 | Unix | AUDIT AND ACCOUNTABILITY, MAINTENANCE |
| UBTU-16-020620 - Successful/unsuccessful uses of the creat command must generate an audit record - EPERM b32 | DISA STIG Ubuntu 16.04 LTS v2r3 | Unix | AUDIT AND ACCOUNTABILITY, MAINTENANCE |
| UBTU-16-020620 - Successful/unsuccessful uses of the creat command must generate an audit record - EPERM b64 | DISA STIG Ubuntu 16.04 LTS v2r3 | Unix | AUDIT AND ACCOUNTABILITY, MAINTENANCE |
| UBTU-16-020650 - Successful/unsuccessful uses of the sudo command must generate an audit record. | DISA STIG Ubuntu 16.04 LTS v2r3 | Unix | AUDIT AND ACCOUNTABILITY, MAINTENANCE |
| UBTU-16-020670 - Successful/unsuccessful uses of the chsh command must generate an audit record. | DISA STIG Ubuntu 16.04 LTS v2r3 | Unix | AUDIT AND ACCOUNTABILITY, MAINTENANCE |
| UBTU-16-020710 - Successful/unsuccessful uses of the setfacl command must generate an audit record. | DISA STIG Ubuntu 16.04 LTS v2r3 | Unix | AUDIT AND ACCOUNTABILITY, MAINTENANCE |
| UBTU-16-020750 - Successful/unsuccessful modifications to the lastlog file must generate an audit record. | DISA STIG Ubuntu 16.04 LTS v2r3 | Unix | AUDIT AND ACCOUNTABILITY, MAINTENANCE |
| UBTU-16-020830 - Successful/unsuccessful uses of the init_module command must generate an audit record - b64 | DISA STIG Ubuntu 16.04 LTS v2r3 | Unix | AUDIT AND ACCOUNTABILITY, MAINTENANCE |
| UBTU-16-030020 - The rsh-server package must not be installed. | DISA STIG Ubuntu 16.04 LTS v2r3 | Unix | CONFIGURATION MANAGEMENT |
| UBTU-16-030030 - An application firewall must be installed. | DISA STIG Ubuntu 16.04 LTS v2r3 | Unix | ACCESS CONTROL |
| UBTU-16-030050 - An application firewall must employ a deny-all, allow-by-exception policy for allowing connections to other systems. | DISA STIG Ubuntu 16.04 LTS v2r3 | Unix | ACCESS CONTROL, SECURITY ASSESSMENT AND AUTHORIZATION, CONFIGURATION MANAGEMENT |
| UBTU-16-030100 - The Ubuntu operating system must compare internal information system clocks at least every 24 hours with a server which is synchronized to an authoritative time source, such as the United States Naval Observatory (USNO) time servers, or a time server designated for the appropriate DoD network (NIPRNet/SIPRNet), and/or the Global Positioning System (GPS) - chrony service | DISA STIG Ubuntu 16.04 LTS v2r3 | Unix | AUDIT AND ACCOUNTABILITY |
| UBTU-16-030100 - The Ubuntu operating system must compare internal information system clocks at least every 24 hours with a server which is synchronized to an authoritative time source, such as the United States Naval Observatory (USNO) time servers, or a time server designated for the appropriate DoD network (NIPRNet/SIPRNet), and/or the Global Positioning System (GPS) - time source | DISA STIG Ubuntu 16.04 LTS v2r3 | Unix | AUDIT AND ACCOUNTABILITY |
| UBTU-16-030130 - The Ubuntu operating system must implement non-executable data to protect its memory from unauthorized code execution. | DISA STIG Ubuntu 16.04 LTS v2r3 | Unix | SYSTEM AND INFORMATION INTEGRITY |
| UBTU-16-030250 - The Ubuntu operating system must be configured so that the SSH daemon does not allow authentication using an empty password - PermitEmptyPasswords | DISA STIG Ubuntu 16.04 LTS v2r3 | Unix | CONFIGURATION MANAGEMENT |
| UBTU-16-030251 - The Ubuntu operating system must not allow users to override SSH environment variables. | DISA STIG Ubuntu 16.04 LTS v2r3 | Unix | CONFIGURATION MANAGEMENT |