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List:       security-basics
Subject:    Re: nmap -p syntax question
From:       ToddAndMargo <ToddAndMargo () zoho ! com>
Date:       2013-09-23 22:41:15
Message-ID: 5240C38B.7060000 () zoho ! com
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On 09/17/2013 02:24 AM, Ansgar Wiechers wrote:
> On 2013-09-16 ToddAndMargo wrote:
> > On the nmap command line, some questions about the "-p"
> > parameter:
> > 
> > 1) what is the "-p S:xxx".  What protocol is "S"?
> 
> SCTP (Stream Control Transmission Protocol, see [1,2]).
> 
> > By change is it ICMP?
> 
> No.
> 
> > 2) when you omitt the "T:" and/or the "U:" does it check
> > both TCP and UDP.  What about the mysterious "S" protocol?
> > Does it check that too?
> 
> No.
> 
> > 3) is
> > -p 137,138,139,445
> > the same as
> > -p U:137,138,139,445,T:137,138,139,445
> > ?
> 
> Yes.
> 
> [1] http://nmap.org/book/man-port-specification.html
> [2] http://en.wikipedia.org/wiki/Stream_Control_Transmission_Protocol
> 
> Regards
> Ansgar Wiechers
> 


Thank you!

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