Guide to the Secure Configuration of Ubuntu 16.04
Rules, Groups, and Values defined within the XCCDF Benchmark
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Dectivate firewalld Rules
Firewalls can be used to separate networks into different zones based on the level of trust the user has decided to place on the devices and traffi...Group -
Network Manager
The NetworkManager daemon configures a variety of network connections. This section discusses how to configure NetworkManager.Group -
NetoworkManager DNS Mode
This sets how NetworkManager handles DNS. none - NetworkManager will not modify resolv.conf. default - NetworkManager will update /etc/resolv.con...Value -
Ensure /dev/shm is configured
The <code>/dev/shm</code> is a traditional shared memory concept. One program will create a memory portion, which other processes (if permitted) ca...Rule Low Severity -
Ensure PAM Displays Last Logon/Access Notification
To configure the system to notify users of last logon/access using <code>pam_lastlog</code>, add or correct the <code>pam_lastlog</code> settings i...Rule Low Severity -
Prevent Login to Accounts With Empty Password
If an account is configured for password authentication but does not have an assigned password, it may be possible to log into the account without ...Rule High Severity -
Record Attempts to Alter Logon and Logout Events
The audit system already collects login information for all users and root. If the <code>auditd</code> daemon is configured to use the <code>augenr...Group -
Type of hostname to record the audit event
Type of hostname to record the audit eventValue -
Restrict unprivileged access to the kernel syslog
Enforce restrictions on unprivileged users reading the kernel syslog via dmesg(8). The configuration that was used to build kernel is available at...Rule Medium Severity -
Ensure Log Files Are Owned By Appropriate Group
The group-owner of all log files written by <code>rsyslog</code> should be <code>adm</code>. These log files are determined by the second part of e...Rule Medium Severity -
Verify that All World-Writable Directories Have Sticky Bits Set
When the so-called 'sticky bit' is set on a directory, only the owner of a given file may remove that file from the directory. Without the sticky b...Rule Medium Severity -
Verify Permissions on group File
To properly set the permissions of/etc/group
, run the command:$ sudo chmod 0644 /etc/group
Rule Medium Severity -
389 Directory Server
389 Directory Server is a popular open-source LDAP server for Linux.Group -
SSH Strong MACs by FIPS
Specify the FIPS approved MACs (Message Authentication Code) algorithms that are used for data integrity protection by the SSH server.Value
Node 2
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