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Re: How can I find out who the slow host is?
From: David Fifield <david () bamsoftware com>
Date: Thu, 17 Mar 2011 13:01:57 -0700

On Thu, Mar 17, 2011 at 02:43:09PM -0500, DePriest, Jason R. wrote:
On Thu, Mar 17, 2011 at 2:20 PM, David Fifield <> wrote:
On Thu, Mar 17, 2011 at 02:14:12PM -0500, DePriest, Jason R. wrote:
I'm scanning 4 class C ranges and It's been doing this for a while.
Is there a way to jump into an interactive mode temporarily to see who
the hold up is?  I thought I used to be able to just hit <ENTER> to
get more information, but that doesn't seem to be working.

You should be able to hit 'd' to increase the debugging level or 'p' to
turn on packet tracing.

David Fifield

Unfortunately, I'm running nmap by calling a shell script with a bunch
of variables and stuff in it and when I try those tricks, nothing

SYN Stealth Scan Timing: About 98.86% done; ETC: 08:45 (0:01:54 remaining)
SYN Stealth Scan Timing: About 98.86% done; ETC: 08:47 (0:01:55 remaining)

Then there's no way I know of. Nmap is reading those keypresses from
/dev/tty, so it can't read your keypresses through the shell script. I
would start tcpdump and see where traffic is being sent.

David Fifield
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