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Thread: Broadcasting...

  1. #1
    TheSarlacc
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    Broadcasting...

    hey i know the broadcast IP under any subnet mask ends with .255.
    eg: subnet mask = "169.254.3.0"
    broadcast IP = "169.254.3.255"
    i would like to know if sending a UDP packet to 255.255.255.255 will send it all around the world? can a packet be sent around the world just with one destination address? how can u do this? plz help me. thx!
    regards TheSarlacc

    ps: anyone know how to use IPX/SPX in code? like as in winsock or something? thx

  2. #2
    Black Cat JoshT's Avatar
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    Nov 2000
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    i would like to know if sending a UDP packet to 255.255.255.255 will send it all around the world?
    No, it shouldn't be routed beyond the LAN. One of the first things you should disable on a router are incoming broadcast packets.

    can a packet be sent around the world just with one destination address?
    Nope, or otherwise the entire internet would have been taken down hard by smurf or fraggle denial of service attacks.
    Josh
    Get these: Mozilla Opera OpenBSD
    I have books for sale: "MCSD in a Nutshell" and "VB Distributed Exam Cram" - PM me for details. Will also trade for a decent ATX Pentium 2 MB/CPU/RAM combo.

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