1 2 /* 3 * Copyright (c) 1982, 1986, 1990, 1993 4 * The Regents of the University of California. All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 3. Neither the name of the University nor the names of its contributors 15 * may be used to endorse or promote products derived from this software 16 * without specific prior written permission. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 21 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 24 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 28 * SUCH DAMAGE. 29 * 30 * @(#)in.h 8.3 (Berkeley) 1/3/94 31 */ 32 33 #ifndef _LIBNETBSD_NETINET_IN_H_ 34 #define _LIBNETBSD_NETINET_IN_H_ 35 36 #include_next <netinet/in.h> 37 38 /* 39 * Local port number conventions: 40 * 41 * Ports < IPPORT_RESERVED are reserved for privileged processes (e.g. root), 42 * unless a kernel is compiled with IPNOPRIVPORTS defined. 43 * 44 * When a user does a bind(2) or connect(2) with a port number of zero, 45 * a non-conflicting local port address is chosen. 46 * 47 * The default range is IPPORT_ANONMIN to IPPORT_ANONMAX, although 48 * that is settable by sysctl(3); net.inet.ip.anonportmin and 49 * net.inet.ip.anonportmax respectively. 50 * 51 * A user may set the IPPROTO_IP option IP_PORTRANGE to change this 52 * default assignment range. 53 * 54 * The value IP_PORTRANGE_DEFAULT causes the default behavior. 55 * 56 * The value IP_PORTRANGE_HIGH is the same as IP_PORTRANGE_DEFAULT, 57 * and exists only for FreeBSD compatibility purposes. 58 * 59 * The value IP_PORTRANGE_LOW changes the range to the "low" are 60 * that is (by convention) restricted to privileged processes. 61 * This convention is based on "vouchsafe" principles only. 62 * It is only secure if you trust the remote host to restrict these ports. 63 * The range is IPPORT_RESERVEDMIN to IPPORT_RESERVEDMAX. 64 */ 65 66 #define IPPORT_ANONMIN 49152 67 #define IPPORT_ANONMAX 65535 68 #define IPPORT_RESERVEDMIN 600 69 #define IPPORT_RESERVEDMAX (IPPORT_RESERVED-1) 70 71 #endif 72