XT_TCP_INV_SRCPT 127 include/linux/netfilter_ipv4/ip_tables.h #define IPT_TCP_INV_SRCPT XT_TCP_INV_SRCPT XT_TCP_INV_SRCPT 186 include/linux/netfilter_ipv6/ip6_tables.h #define IP6T_TCP_INV_SRCPT XT_TCP_INV_SRCPT XT_TCP_INV_SRCPT 105 net/netfilter/xt_tcpudp.c !!(tcpinfo->invflags & XT_TCP_INV_SRCPT)))