The action to take.
The CIDR block to match. This must be a valid network mask.
The from port to match.
The ICMP type code to be used. Default 0.
The ICMP type to be used. Default 0.
The IPv6 CIDR block.
The protocol to match. If using the -1 'all' protocol, you must specify a from and to port of 0.
The rule number. Used for ordering.
The to port to match. The following arguments are optional: