XT_DCCP_VALID_FLAGS 10 include/linux/netfilter_ipv4/ipt_dccp.h #define IPT_DCCP_VALID_FLAGS XT_DCCP_VALID_FLAGS XT_DCCP_VALID_FLAGS 128 net/netfilter/xt_dccp.c return !(info->flags & ~XT_DCCP_VALID_FLAGS) XT_DCCP_VALID_FLAGS 129 net/netfilter/xt_dccp.c && !(info->invflags & ~XT_DCCP_VALID_FLAGS)