DISA STIG for Red Hat Enterprise Linux 8
Rules and Groups employed by this XCCDF Profile
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Ensure remote access methods are monitored in Rsyslog
Logging of remote access methods must be implemented to help identify cyber attacks and ensure ongoing compliance with remote access policies are b...Rule Medium Severity -
Rsyslog Logs Sent To Remote Host
If system logs are to be useful in detecting malicious activities, it is necessary to send logs to a remote server. An intruder who has compromised...Group -
Ensure Logs Sent To Remote Host
To configure rsyslog to send logs to a remote log server, open <code>/etc/rsyslog.conf</code> and read and understand the last section of the file,...Rule Medium Severity -
Network Configuration and Firewalls
Most systems must be connected to a network of some sort, and this brings with it the substantial risk of network attack. This section discusses th...Group -
Configure Multiple DNS Servers in /etc/resolv.conf
Determine whether the system is using local or DNS name resolution with the following command: <pre>$ sudo grep hosts /etc/nsswitch.conf hosts: fi...Rule Medium Severity -
Ensure System is Not Acting as a Network Sniffer
The system should not be acting as a network sniffer, which can capture all traffic on the network to which it is connected. Run the following to d...Rule Medium Severity -
firewalld
The dynamic firewall daemon <code>firewalld</code> provides a dynamically managed firewall with support for network “zones” to assign a level of tr...Group -
Configure Firewalld to Use the Nftables Backend
Firewalld can be configured with many backends, such as nftables.Rule Medium Severity -
Inspect and Activate Default 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 -
Install firewalld Package
Thefirewalld
package can be installed with the following command:$ sudo yum install firewalld
Rule Medium Severity
Node 2
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Capacity
Modules