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Guide to the Secure Configuration of Ubuntu 16.04

Rules, Groups, and Values defined within the XCCDF Benchmark

  • Record Events that Modify the System's Discretionary Access Controls - lremovexattr

    At a minimum, the audit system should collect file permission changes for all users and root. <br><br> If the <code>auditd</code> daemon is configu...
    Rule Medium Severity
  • Record Events that Modify the System's Discretionary Access Controls - lsetxattr

    At a minimum, the audit system should collect file permission changes for all users and root. If the <code>auditd</code> daemon is configured to us...
    Rule Medium Severity
  • Record Events that Modify the System's Discretionary Access Controls - removexattr

    At a minimum, the audit system should collect file permission changes for all users and root. <br><br> If the <code>auditd</code> daemon is configu...
    Rule Medium Severity
  • Record Events that Modify the System's Discretionary Access Controls - setxattr

    At a minimum, the audit system should collect file permission changes for all users and root. If the <code>auditd</code> daemon is configured to us...
    Rule Medium Severity
  • Record Events that Modify the System's Discretionary Access Controls - umount

    At a minimum, the audit system should collect file system umount changes. If the <code>auditd</code> daemon is configured to use the <code>augenrul...
    Rule Medium Severity
  • net.ipv4.conf.default.shared_media

    Controls whether the system can send(router) or accept(host) RFC1620 shared media redirects. <code>shared_media</code> for the interface will be en...
    Value
  • Record Events that Modify the System's Discretionary Access Controls - umount2

    At a minimum, the audit system should collect file system umount2 changes. If the <code>auditd</code> daemon is configured to use the <code>augenru...
    Rule Medium Severity
  • Record Execution Attempts to Run ACL Privileged Commands

    At a minimum, the audit system should collect the execution of ACL privileged commands for all users and root.
    Group
  • Record Execution Attempts to Run SELinux Privileged Commands

    At a minimum, the audit system should collect the execution of SELinux privileged commands for all users and root.
    Group
  • Record File Deletion Events by User

    At a minimum, the audit system should collect file deletion events for all users and root. If the <code>auditd</code> daemon is configured to use t...
    Group
  • Ensure auditd Collects File Deletion Events by User - rename

    At a minimum, the audit system should collect file deletion events for all users and root. If the <code>auditd</code> daemon is configured to use t...
    Rule Medium Severity
  • Ensure auditd Collects File Deletion Events by User - renameat

    At a minimum, the audit system should collect file deletion events for all users and root. If the <code>auditd</code> daemon is configured to use t...
    Rule Medium Severity
  • Ensure auditd Collects File Deletion Events by User - rmdir

    At a minimum, the audit system should collect file deletion events for all users and root. If the <code>auditd</code> daemon is configured to use t...
    Rule Medium Severity
  • Disable Support for IPv6 Unless Needed

    Despite configuration that suggests support for IPv6 has been disabled, link-local IPv6 address auto-configuration occurs even when only an IPv4 ad...
    Group
  • Ensure auditd Collects File Deletion Events by User - unlink

    At a minimum, the audit system should collect file deletion events for all users and root. If the <code>auditd</code> daemon is configured to use t...
    Rule Medium Severity
  • Ensure auditd Collects File Deletion Events by User - unlinkat

    At a minimum, the audit system should collect file deletion events for all users and root. If the <code>auditd</code> daemon is configured to use t...
    Rule Medium Severity
  • Record Unauthorized Access Attempts Events to Files (unsuccessful)

    At a minimum, the audit system should collect unauthorized file accesses for all users and root. Note that the "-F arch=b32" lines should be presen...
    Group
  • Record Information on Kernel Modules Loading and Unloading

    To capture kernel module loading and unloading events, use following lines, setting ARCH to either b32 for 32-bit system, or having two lines for b...
    Group
  • Record Information on the Use of Privileged Commands

    At a minimum, the audit system should collect the execution of privileged commands for all users and root.
    Group
  • Ensure auditd Collects Information on the Use of Privileged Commands - init

    At a minimum, the audit system should collect the execution of privileged commands for all users and root. If the <code>auditd</code> daemon is con...
    Rule Medium Severity

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