Security Basics mailing list archives

Re: nmap -p syntax question


From: ToddAndMargo <ToddAndMargo () zoho com>
Date: Mon, 23 Sep 2013 15:41:15 -0700

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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