Re: SCTP howto?

[David Fifield <david () bamsoftware com>]

On Thu, Jan 22, 2009 at 12:32:09AM +0100, Daniel Roethlisberger wrote:
> David Fifield <david () bamsoftware com> 2009-01-21:
> > On Wed, Jan 21, 2009 at 10:33:30PM +0100, Daniel Roethlisberger
> > wrote:
> > > I'm happy to announce that I checked in an initial version of
> > > SCTP support into a newly created feature branch of Nmap
> > > living at [1].  Right now, the branch is mostly equivalent to
> > > my latest patchset from January 4th.
> >
> > I'm excited to try this out. Could you give or point to a howto
> > for setting up an SCTP service? Like what kind of kernel
> > configuration is required, and some trivial echo server or the
> > like. The most fun I've been able to have so far is
> >
> > ./nmap -sY localhost All 36 scanned ports on localhost
> > (127.0.0.1) are closed
>
> As long as you aren't actually using any of the fancy features
> like multihoming or multistreaming, using an SCTP socket is
> pretty much the same as opening a TCP socket.  For testing, try
> the simplistic sctp-discardd [1] which I've whipped up as a
> reaction to your message.

Great, thanks for that. I can confirm it works on Linux:

# ./nmap -sY localhost

Starting Nmap 4.76 ( http://nmap.org ) at 2009-01-21 17:50 MST
Interesting ports on localhost (127.0.0.1):
Not shown: 35 closed ports
PORT   STATE SERVICE
9/sctp open  discard

Nmap done: 1 IP address (1 host up) scanned in 0.29 seconds

David Fifield

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