firewall

type Action int

type Direction int

type Manager interface {
	// AddFiltering rule to the firewall
	AddFiltering(
		ip net.IP,
		port *Port,
		direction Direction,
		action Action,
		comment string,
	) (Rule, error)

	// DeleteRule from the firewall by rule definition
	DeleteRule(rule Rule) error

	// Reset firewall to the default state
	Reset() error
}

type Port struct {
	// IsRange is true Values contains two values, the first is the start port, the second is the end port
	IsRange bool

	// Values contains one value for single port, multiple values for the list of ports, or two values for the range of ports
	Values []int

	// Proto is the protocol of the port
	Proto PortProtocol
}

type PortProtocol string

type Rule interface {
	// GetRuleID returns the rule id
	GetRuleID() string
}