--- zzzz-none-000/linux-4.9.218/include/uapi/linux/netfilter_ipv4/ip_tables.h 2020-04-02 15:20:41.000000000 +0000 +++ seale-7590ac-750/linux-4.9.218/include/uapi/linux/netfilter_ipv4/ip_tables.h 2022-11-30 09:46:20.000000000 +0000 @@ -88,6 +88,7 @@ #define IPT_F_FRAG 0x01 /* Set if rule is a fragment rule */ #define IPT_F_GOTO 0x02 /* Set if jump is a goto */ #define IPT_F_MASK 0x03 /* All possible flag bits mask. */ +#define IPT_F_NO_DEF_MATCH 0x80 /* Internal: no default match rules present */ /* Values for "inv" field in struct ipt_ip. */ #define IPT_INV_VIA_IN 0x01 /* Invert the sense of IN IFACE. */