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in.h
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Editing: in.h
/* $FreeBSD$ */ /* * Copyright (c) 1982, 1986, 1990, 1993 * The Regents of the University of California. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * @(#)in.h 8.3 (Berkeley) 1/3/94 */ #ifndef _LIBNETBSD_NETINET_IN_H_ #define _LIBNETBSD_NETINET_IN_H_ #include_next <netinet/in.h> /* * Local port number conventions: * * Ports < IPPORT_RESERVED are reserved for privileged processes (e.g. root), * unless a kernel is compiled with IPNOPRIVPORTS defined. * * When a user does a bind(2) or connect(2) with a port number of zero, * a non-conflicting local port address is chosen. * * The default range is IPPORT_ANONMIN to IPPORT_ANONMAX, although * that is settable by sysctl(3); net.inet.ip.anonportmin and * net.inet.ip.anonportmax respectively. * * A user may set the IPPROTO_IP option IP_PORTRANGE to change this * default assignment range. * * The value IP_PORTRANGE_DEFAULT causes the default behavior. * * The value IP_PORTRANGE_HIGH is the same as IP_PORTRANGE_DEFAULT, * and exists only for FreeBSD compatibility purposes. * * The value IP_PORTRANGE_LOW changes the range to the "low" are * that is (by convention) restricted to privileged processes. * This convention is based on "vouchsafe" principles only. * It is only secure if you trust the remote host to restrict these ports. * The range is IPPORT_RESERVEDMIN to IPPORT_RESERVEDMAX. */ #define IPPORT_ANONMIN 49152 #define IPPORT_ANONMAX 65535 #define IPPORT_RESERVEDMIN 600 #define IPPORT_RESERVEDMAX (IPPORT_RESERVED-1) #endif
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