···125125 ip46tables -t raw -N nixos-fw-rpfilter 2> /dev/null || true
126126 ip46tables -t raw -A nixos-fw-rpfilter -m rpfilter ${optionalString (cfg.checkReversePath == "loose") "--loose"} -j RETURN
127127128128+ # Allows this host to act as a DHCP4 client without first having to use APIPA
129129+ iptables -t raw -A nixos-fw-rpfilter -p udp --sport 67 --dport 68 -j RETURN
130130+128131 # Allows this host to act as a DHCPv4 server
129132 iptables -t raw -A nixos-fw-rpfilter -s 0.0.0.0 -d 255.255.255.255 -p udp --sport 68 --dport 67 -j RETURN
130133