IP_CT_NUMBER 30 include/uapi/linux/netfilter/nf_conntrack_common.h #define NF_CT_STATE_UNTRACKED_BIT (1 << (IP_CT_NUMBER + 1)) IP_CT_NUMBER 15 include/uapi/linux/netfilter/xt_conntrack.h #define XT_CONNTRACK_STATE_SNAT (1 << (IP_CT_NUMBER + 1)) IP_CT_NUMBER 16 include/uapi/linux/netfilter/xt_conntrack.h #define XT_CONNTRACK_STATE_DNAT (1 << (IP_CT_NUMBER + 2)) IP_CT_NUMBER 17 include/uapi/linux/netfilter/xt_conntrack.h #define XT_CONNTRACK_STATE_UNTRACKED (1 << (IP_CT_NUMBER + 3)) IP_CT_NUMBER 7 include/uapi/linux/netfilter/xt_state.h #define XT_STATE_UNTRACKED (1 << (IP_CT_NUMBER + 1))