Guide to the Secure Configuration of Ubuntu 16.04
Rules, Groups, and Values defined within the XCCDF Benchmark
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Enable systemd_timesyncd Service
Thesystemd_timesyncd
service can be enabled with the following command:$ sudo systemctl enable systemd_timesyncd.service
Rule High Severity -
Ensure Chrony is only configured with the server directive
Check that Chrony only has time sources configured with theserver
directive.Rule Medium Severity -
A remote time server for Chrony is configured
<code>Chrony</code> is a daemon which implements the Network Time Protocol (NTP). It is designed to synchronize system clocks across a variety of systems and use a source that is highly accurate. M...Rule Medium Severity -
Rlogin, Rsh, and Rexec
The Berkeley r-commands are legacy services which allow cleartext remote access and have an insecure trust model.Group -
SSH RekeyLimit - size
Specify the size component of the rekey limit.Value -
SSH RekeyLimit - size
Specify the size component of the rekey limit.Value -
SSH Compression Setting
Specify the compression setting for SSH connections.Value -
SSH Server
The SSH protocol is recommended for remote login and remote file transfer. SSH provides confidentiality and integrity for data exchanged between two systems, as well as server authentication, throu...Group -
SSH session Idle time
Specify duration of allowed idle time.Value -
SSH Max authentication attempts
Specify the maximum number of authentication attempts per connection.Value
Node 2
The content of the drawer really is up to you. It could have form fields, definition lists, text lists, labels, charts, progress bars, etc. Spacing recommendation is 24px margins. You can put tabs in here, and can also make the drawer scrollable.
Capacity
Modules