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Annotation of embedaddon/libnet/doc/RAWSOCKET_NON_SEQUITUR, revision 1.1

1.1     ! misho       1: ===============================================================================
        !             2:     $Id: RAWSOCKET_NON_SEQUITUR,v 1.2 2004/01/03 20:31:00 mike Exp $
        !             3:     LIBNET 1.1 (c) 1998 - 2004 Mike D. Schiffman <mike@infonexus.com>
        !             4:                                http://www.packetfactory.net/libnet
        !             5: ===============================================================================
        !             6: 
        !             7:     Raw sockets are horribly non-standard across implementations.  Here is
        !             8:     an incomplete list of some of the differences (corrections welcomed):
        !             9: 
        !            10:     Linux 2.2+:
        !            11: 
        !            12:     IP fragmentation:       performed if packet is larger than MTU
        !            13:     IP checksum:            always filled in
        !            14:     IP total length:        always filled in
        !            15:     IP ID:                  filled in when zero
        !            16:     IP source address:      filled in when zero
        !            17:     IP destination address: filled in when zero
        !            18:     Max packet size before kernel complains: 1500 bytes
        !            19: 
        !            20:     Solaris 2.6+:
        !            21: 
        !            22:     IP fragmentation bits:  can't specify 
        !            23:     IP fragmentation:       performed if packet is larger than MTU
        !            24:     IP DF bit:              always set
        !            25:     IP checksum:            always filled in
        !            26:     Max packet size before kernel complains: ?
        !            27: 
        !            28:     OpenBSD 2.8+:
        !            29: 
        !            30:     IP fragmentation:       performed if packet is larger than MTU
        !            31:     Max packet size before kernel complains: 8192 bytes
        !            32: 
        !            33:   Solaris,
        !            34:     for example, has terrible support for this packet interface.  Older OpenBSD
        !            35:     versions and recent FreeBSD versions have the BSD_BYTE_SWAP issue where
        !            36:     the ip_len and ip_frag fields need to be in little endian order.  Linux
        !            37:     apparently doesn't allow for the injection of broadcast IP datagrams.
        !            38:     Whenever complete control over the IP header is desired, use the link
        !            39:     layer API.
        !            40: 
        !            41: EOF