Security Basics
Re: nmap Discover others question Sep 23 2013 11:13PM
ToddAndMargo (ToddAndMargo zoho com) (1 replies)
RE: nmap Discover others question Sep 24 2013 03:50PM
Andrew Davidson (ADavidson quikorder com)
Please remove me from this list.


-----Original Message-----

From: listbounce (at) securityfocus (dot) com [email concealed] [mailto:listbounce (at) securityfocus (dot) com [email concealed]] On Behalf Of ToddAndMargo

Sent: Monday, September 23, 2013 6:13 PM

To: security-basics (at) securityfocus (dot) com [email concealed]

Subject: Re: nmap Discover others question

On 09/23/2013 08:22 AM, Jason Hellenthal wrote:


> You are scanning


> If a host has an ip in that range then you are going to see it unless

> its firewalled. Simple as that.

Hi Jason,

Thank you. That is what I though. Although I am a bit hazy if someone used the route command to add your network to their routing table.

Follow up question: using iptables terminology, I can see nmap finding "-j REJECT", but I can not see nmap finding "-j DROP".

I am asking this as the "nmap -sA network" command can supposedly find firewalled devices.

What am I missing?

Many thanks,



> --

> Jason Hellenthal

> Inbox: jhellenthal (at) DataIX (dot) net [email concealed] <mailto:jhellenthal (at) DataIX (dot) net [email concealed]>

> Voice: +1 (616) 953-0176




> On Sep 23, 2013, at 0:49, ToddAndMargo <ToddAndMargo (at) zoho (dot) com [email concealed]

> <mailto:ToddAndMargo (at) zoho (dot) com [email concealed]>> wrote:





Computers are like air conditioners.

They malfunction when you open windows



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