1 /* $FreeBSD$ */ 2 3 /* 4 * Copyright (C) 2012 by Darren Reed. 5 * 6 * See the IPFILTER.LICENCE file for details on licencing. 7 * 8 * $Id$ 9 */ 10 11 #include "ipf.h" 12 13 /* 14 * ECN is a new addition to TCP - RFC 2481 15 */ 16 #ifndef TH_ECN 17 # define TH_ECN 0x40 18 #endif 19 #ifndef TH_CWR 20 # define TH_CWR 0x80 21 #endif 22 23 char flagset[] = "FSRPAUEC"; 24 u_char flags[] = { TH_FIN, TH_SYN, TH_RST, TH_PUSH, TH_ACK, TH_URG, 25 TH_ECN, TH_CWR }; 26