proxy

type DNSProxier interface {
	GetRules(*versioned.VersionHandle, uint16) (restore.DNSRules, error)
	RemoveRestoredRules(uint16)
	UpdateAllowed(endpointID uint64, destPort restore.PortProto, newRules policy.L7DataMap) (revert.RevertFunc, error)
	GetBindPort() uint16
	RestoreRules(op *endpoint.Endpoint)
	Cleanup()

	Listen(port uint16) error
}