Re: Systems behind NAT - port scanning etc.
From: Melinda Shore (shore@panix.com)Date: 10/29/02
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From: shore@panix.com (Melinda Shore) Date: 28 Oct 2002 21:56:44 -0500
In article <n7mv9.44784$Ik.1041720@typhoon.sonic.net>,
leemer <kcirelli@powernetworks.biz> wrote:
>To access a currently established session and "inject" internally
>addressed(spoofed) packets and have them actually get to where you want them
>to go..(and have them come back to you at an external location) ..there's
>this really tricky thing to guess called tcp sequence numbers. They are
>almost impossible to guess.
Depends on the operating system. Aside from that, a DoS
attack, which is far, far more common than a connection
hijacking or spoofing attack, doesn't require getting a
response back from the attackee.
--
Melinda Shore - Software longa, hardware brevis - shore@panix.com
If you send me harassing email, I'll probably post it
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