Re: mangle + TCP Flags

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On Thursday 11 December 2003 3:32 pm, Jean-Marie Orset wrote:

> > Well, you could just:
> > -p tcp -j REJECT --reject-with tcp-reset (uses tcp rst)
> > -p udp -j REJECT (uses icmp port-unreach)
> >That makes nmap say: ports closed.
>
> Yes, that's what I should do but My idea was to answer false SYN,ACK
> even if the ports are closed. In that way a scan would declare all my ports
> open but in reality, they would be closed.

Why is that better for security?

Antony.

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