XT_UDP_INV_DSTPT  134 include/linux/netfilter_ipv4/ip_tables.h #define IPT_UDP_INV_DSTPT	XT_UDP_INV_DSTPT
XT_UDP_INV_DSTPT  194 include/linux/netfilter_ipv6/ip6_tables.h #define IP6T_UDP_INV_DSTPT	XT_UDP_INV_DSTPT
XT_UDP_INV_DSTPT  161 net/netfilter/xt_tcpudp.c 			      !!(udpinfo->invflags & XT_UDP_INV_DSTPT));