Security Basics
nmap root vs user question Oct 04 2013 09:29PM
ToddAndMargo (ToddAndMargo zoho com) (3 replies)
RE: nmap root vs user question Oct 07 2013 02:39PM
Rob (synja synfulvisions com)
Re: nmap root vs user question Oct 07 2013 12:30PM
Robert Larsen (robert the-playground dk) (1 replies)
RE: nmap root vs user question Oct 07 2013 03:58PM
Jeff Fears (jfears apusolutions com)

Because non-root cannot read port unreachable errors in ICMP.

http://nmap.org/nmap_doc.html

-----Original Message-----
From: listbounce (at) securityfocus (dot) com [email concealed] [mailto:listbounce (at) securityfocus (dot) com [email concealed]] On Behalf Of Robert Larsen
Sent: Monday, October 07, 2013 7:31 AM
To: ToddAndMargo; security-basics (at) securityfocus (dot) com [email concealed]
Subject: Re: nmap root vs user question

Not sure, but maybe nmap tries ping probes if it is allowed to.
ICMP requires raw sockets which require root or CAP_NET_RAW capability.

So my guess is that when you run as root, you start out with a ping, which indicates the host to be down.
Try 'nmap -P0 -p T:5020,5900 192.168.202.210' as root.

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[ reply ]
Re: nmap root vs user question Oct 07 2013 12:24PM
Jason Hellenthal (jhellenthal dataix net)


 

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