Ensure nftables Default Deny Firewall Policy
An XCCDF Rule
Description
Base chain policy is the default verdict that will be applied to packets reaching the end of the chain. There are two policies: accept (Default) and drop. If the policy is set to accept, the firewall will accept any packet that is not configured to be denied and the packet will continue traversing the network stack.
warning alert: Warning
Changing firewall settings while connected over network can result in being locked out
of the system.
Rationale
It is easier to allow acceptable usage than to block unacceptable usage.
- ID
- xccdf_org.ssgproject.content_rule_nftables_ensure_default_deny_policy
- Severity
- Medium
- Updated