Re: nmap -p syntax question

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
-- 
"All vulnerabilities deserve a public fear period prior to patches
becoming available."
--Jason Coombs on Bugtraq

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