charon.plugins.socket-default.fwmark =
	Firewall mark to set on outbound packets.

charon.plugins.socket-default.set_source = yes
	Set source address on outbound packets, if possible.

charon.plugins.socket-default.set_sourceif = no
	Force sending interface on outbound packets, if possible.

	Force sending interface on outbound packets, if possible. This allows
	using IPv6 link-local addresses as tunnel endpoints.

charon.plugins.socket-default.use_ipv4 = yes
	Listen on IPv4, if possible.

charon.plugins.socket-default.use_ipv6 = yes
	Listen on IPv6, if possible.