address must be as described in inet_pton (3). This is a short-hand ... must be in the format described in inet_pton (3). This is a short-handpackets sent and received over AF_INET and AF_INET6 sockets. Both directives take ... address family (one of "arp", "bridge", "inet", "ip", "ip6", or "netdev"), table nameIPv6 ( PF_INET6 ) family of protocols. inet The IPv4 ( PF_INET ) family of protocols. loopback ... inet6 tcp - - udp tpi_clts v inet udp - - tcp tpi_cots_ord v inetfollowing socket types are supported: AF_INET (e.g. "192.168.0.11:4444"), AF_INET6 ... into a single AF_UNIX or AF_INET datagram. Takes a size in bytesfollowing socket types are supported: AF_INET (e.g. "192.168.0.11:4444"), AF_INET6 ... into a single AF_UNIX or AF_INET datagram. Takes a size in bytesnetwork in numbers-and-dots notation (see inet (3)). The trailing ".0" (for the hostconsisting of an address family specifier ( AF_INET or AF_INET6 ) and a byte arraypacket metadata as ancillary message, on AF_INET , AF_INET6 , AF_UNIX and AF_PACKETconnecting. Valid arguments are any (the default), inet (use IPv4 only), or inet6 (use IPv6allow-list, such as AF_UNIX , AF_INET or AF_INET6 . When "none" is specified