firewalld - 1.3.3-1~deb12u1 main

firewalld is a dynamically managed firewall daemon with support for
network/firewall zones to define the trust level of network connections
or interfaces. It has support for IPv4, IPv6 firewall settings and for
ethernet bridges and has a separation of runtime and persistent
configuration options.
It also provides a D-Bus interface for services or applications to add
and apply firewall rules on-the-fly.