Re: Sliding/Shifting/Morphing firewalls

[cbrenton <cbrenton () sover net>]

On Mon, 8 Feb 1999, Stout, Bill wrote:

> What's the gurus opinions on firewalls which use randomly changing port
> numbers for inbound/outbound traffic?

I assume you mean using random upper port numbers for source ports instead
of having the OS dish them out sequentially? If so it makes all forms of
attack that rely on source port spoofing that much more difficult to
implement.

Chris
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cbrenton () sover net

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