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XCCDF
Guide to the Secure Configuration of Red Hat Enterprise Linux 8
Services
Avahi Server
Configure Avahi if Necessary
Serve Avahi Only via Required Protocol
Serve Avahi Only via Required Protocol
An XCCDF Rule
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Serve Avahi Only via Required Protocol
Low Severity
If you are using only IPv4, edit
/etc/avahi/avahi-daemon.conf
and ensure the following line exists in the
[server]
section:
use-ipv6=no
Similarly, if you are using only IPv6, disable IPv4 sockets with the line:
use-ipv4=no