Re: (ASCEND) pipeline 50 unexpected dial-out

[Netlink Hardware admin <hw@netlinkcom.com>]

I have seen this on Netopia and 3Com Office Connects routers.

Netopia has a technote on this, the summary of which follows:

"Summary: 
There are several options that can be configured in the Netopia Router
to prevent a Windows95 or WindowsNT workstation from unnecessarily 
bringing up a ISDN connection. These are turning off DOD, unbinding the
Microsoft Client from the TCP/IP protocol, or creating a filter set 
blocking UDP ports 137 (NBDS) and 138 (NBDD). For more information on the
NetBIOS protocol and its components, please refer to RFC 1001, 1002, and
1003." 

...found at
http://www.netopia.com/support/technotes/hardware/index.html#genconfig

A Netopia R2121 that I was installing last night has a NetBIOS filter set
pre-installed.

The filter seems to work just fine. I assume it would work in a Pipeline
as well.

Curt

On Thu, 20 May 1999, Keith G. Murphy wrote:

> Code Chang wrote:
> > 
> > hi, All
> > 
> >     When our customer used Pipeline 50 with ISDN.  But the pipeline 50 always has unexpected dial-out problem.
> >     And there are NT server on their ethernet segment.  I guess maybe caused the NT broadcast ?
> > 
> >     Does anyone have the same problem ?  Or can we use filter to solve the problem ?
> > 
> >     Thanks !!
> > 
> If you have control over their network, you could try to address it
> there:
> 
> I believe what happens is that Windows machines try to resolve their
> workgroup and host names through DNS.  I think Microsoft has a registry
> setting or patch to get them to stop doing this.  You'd have to go to
> Microsoft's site (or maybe DejaNews) to find out more...
> 
> Or:
<snip> 

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