Port 139 is the netbios session service. This can be dangerous. In most
instances (if you ask ne1 who attended SANS they would say ALL) you should
block this from external networks on your router as Windows will accept
anonymous connections to this port.


I do not know a well known app for 2039. It could be an async device port#.
Like some terminal servers  (if they have 39+ ports) you would connect
directly to the port by using 2039 or 3039. On cisco if you have a line
device numbered 39, you would reverse telnet to it by telnetting to
ipaddress:2039.


AUX0
CNE, MCP +I, CCNP +Security 

-----Original Message-----
From: Dennis Ighomereho [mailto:[EMAIL PROTECTED]]
Sent: Monday, July 31, 2000 4:20 PM
To: [EMAIL PROTECTED]
Subject: Re: ports 139 and 2039



Hi,
could someone tell me what these ports do.


cheers,
Dennis
>From: John lay <[EMAIL PROTECTED]>
>Reply-To: John lay <[EMAIL PROTECTED]>
>To: [EMAIL PROTECTED]
>Subject: Re: Off topic Nortel Certifications
>Date: Mon, 31 Jul 2000 10:41:22 -0700 (PDT)
>
>Guys,
>
>Thanks a lot for the useful information, you have been very hepful.
>
>
>
>Howard, Chuck,
>
>and just to close this issue. I don't wanna to discuss it any more.
>You could answere me with a better way. The point that I want to clairfy is
>if you don't like the question you don't have to answere just ignore it. 
>Not
>all people are on the same techincal level.
>Let me tell you something more, the technicality is never a problem you can
>search and look and you will find the answere, the point is on people's
>attitudes. I didn't not write any books I don't have the technical skills
>maybe of both of you but I can gain it, it is just a matter of time and at
>least I know how to talk to people politly.
>And no Howard, I didn't want Cisco's analysis of Nortel exams?
>but unfortunatly this was your answere.Look to how others answered my
>concern they didn't do a SHOW. Anyway thanx guys for the answeres.
>
>Albert Ip,
>You do not deserve any answere.
>
>
>
>
>
>On Sun, 30 Jul 2000 18:53:33 -0400, james wrote:
>
> >  Hi John,
> >
> >  I'm posting this to the group for others that have the same question.
> >
> >  There is no specific exam for the Nortel NNCDS.  Rather you need to do
>one
> >  of the core technology exam  for the NNCSS and then  do the Nortel web
>based
> >  exams from home ( or elsewhere)  to fullfill the other requirements.  
>See
> >  http://www12.nortelnetworks.com/training2/certification/nncds.html for
>more
> >  info.
> >
> >  The Nortel design exam is for the next level of certification, the 
>NNCDE
>(
> >  design expert). To get that you need to do the NNCDS, plus:  one 
>advanced
> >  exam, one more core technology exam  and the design exam.
> >  See http://www12.nortelnetworks.com/training2/certification/nncde.html
>for
> >  more info on that one.  So if you mean you were planning to write the
>design
> >  expert exam 920-021 ( Network Design Essentials for Routers and 
>Switches)
> >  you would not be certified as anything.  Just a heads up.
> >
> >  James Placer CCDP, CCNP, NNCSE, NNCSS, MCSE
> >  ENTG Engineer
> >  Interactive Business Systems Inc.
> >  email:[EMAIL PROTECTED]
> >
> >
> >
> >
> >
> >
> >
> >  John lay <[EMAIL PROTECTED]> wrote in message
> >  [EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
> >  > Hi,
> >  >
> >  > I know this is out of the list objectives, sorry !
> >  >
> >  > Does anybody have informations about Nortel certification NNCDS.
> >  > Number of questions, how long the exam is .......
> >  > I am gonna take the eam very soon.
> >  >
> >  > Thanx
> >  >
> >
> >
> >
> >  ___________________________________
> >  UPDATED Posting Guidelines: http://www.groupstudy.com/list/guide.html
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> >  Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
>
>
>
>
>
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