cyberstrikeus CIS Ubuntu Linux 16.04 LTS Benchmark v2.0.0 - Control 3.5.1.2
Profile
- Level: Level 1 - Server, Level 1 - Workstation
- Assessment Status: Automated
Description
The iptables-persistent is a boot-time loader for netfilter rules, iptables plugin.
Rationale
Running both ufw and the services included in the iptables-persistent package may lead to conflict.
Audit Procedure
Command Line
Run the following command to verify that the iptables-persistent package is not installed:
dpkg-query -s iptables-persistent
Expected Result
package 'iptables-persistent' is not installed and no information is available
Remediation
Command Line
Run the following command to remove the iptables-persistent package:
apt purge iptables-persistent
References
None
CIS Controls
Version 7
9.4 Apply Host-based Firewalls or Port Filtering - Apply host-based firewalls or port filtering tools on end systems, with a default-deny rule that drops all traffic except those services and ports that are explicitly allowed.