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XCCDF
Guide to the Secure Configuration of SUSE Linux Enterprise 15
System Settings
Network Configuration and Firewalls
firewalld
Strengthen the Default Ruleset
Set Default firewalld Zone for Incoming Packets
Set Default firewalld Zone for Incoming Packets
An XCCDF Rule
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Set Default firewalld Zone for Incoming Packets
Medium Severity
To set the default zone to
drop
for the built-in default zone which processes incoming IPv4 and IPv6 packets, modify the following line in
/etc/firewalld/firewalld.conf
to be:
DefaultZone=drop