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From: Bojan Zdrnja (Bojan.Zdrnja_at_FER.hr)
Date: Fri Nov 01 2002 - 15:33:03 CST

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    > -----Original Message-----
    > From: d_fence [mailto:d_fencegmx.net]
    > Sent: 1. studeni 2002 12:29
    > To: vuln-devsecurityfocus.com
    > Subject: Firewall bypassing tool
    >
    >
    > Hi all,
    > I read sometime ago about bypassing the firewall filters which block
    incoming
    > (initializing) SYN packets, by sending for example a SYN-FIN packet
    and
    > establishing that way a connection to a blocked port.. Now I`m trying
    to
    > check wether my firewall would let through such packets, and so I`m
    searching
    > for a tool which would does this.. Do you know any such tools?

    Well, for any packet crafting I'd advise you to go to hping's homepage:

    http://www.hping.org/

    And for the beginning read it's documentation.

    Best regards,

    Bojan Zdrnja