Netfilter modes list

typedef enum _PRL_NETFILTER_MODE {
  PCNM_NOT_SET = 0,
  PCNM_DISABLED = 1,
  PCNM_STATELESS = 2,
  PCNM_STATEFUL = 3,
  PCNM_FULL = 4
} PRL_NETFILTER_MODE;