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⁠3.7.13.6. Configuring The Firewall Using XML Files

The configuration settings for firewalld are stored in XML files in the /etc/firewalld/ directory. Do not edit the files in the /usr/lib/firewalld/ directory, they are for the default settings. You will need root user permissions to view and edit the XML files. The XML files are explained in three man pages:
  • firewalld.icmptype(5) man page — Describes XML configuration files for ICMP filtering.
  • firewalld.service(5) man page — Describes XML configuration files for firewalld service.
  • firewalld.zone(5) man page — Describes XML configuration files for firewalld zone configuration.
The XML files can be created and edited directly or created indirectly using the graphical and command line tools. Organizations can distribute them in RPM files which can make management and version control easier. Tools such as Puppet can distribute such configuration files.