mailing list archives
Re: Maybe bug, with -sP und ASA sending RST for denied networks
From: Fyodor <fyodor () insecure org>
Date: Mon, 22 Oct 2007 16:47:12 -0700
On Thu, Oct 18, 2007 at 11:22:01AM +0200, Pluto wrote:
maybe old stuff, just happened to me and can't find something in the docs
or elsewhere. When dong the -sP with an ASA in between you and the target,
the tcp-syn on port 80 will be answered by a RST from the ASA, thereby making
nmap think the host is responding and alive. Of course the results of such
a scan are basically useless then.
Would it be possible to ignore RST in such a szenario? Or have a command
line switch to trigger this?
That can be a problem with port 80. You may want to try a different
type of ping scan (such as ICMP only) or change the TCP ping probe
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