Re: OT - Network Black Hole?

[andy.powell@xxxxxxx]

I wonder, does this also apply to Win2k running ICS - I get inconsistant
results from grc.com - Most ports appear closed - even if I block them
with a firewall...

A.





"Mark McCall" <mark@xxxxxxx>
10/04/2001 00:47
Please respond to ukha_d


To:     <ukha_d@xxxxxxx>
cc:
Subject:        Re: [ukha_d] OT - Network Black Hole?

VNC NOW WORKING!!

Neil was right.  Win98SE automatically closes all incoming ports.

Thanks for everyones help!!

M.


----- Original Message -----
From: Neil F <automated@xxxxxxx>
To: <ukha_d@xxxxxxx>
Sent: Monday, April 09, 2001 10:33 PM
Subject: Re: [ukha_d] OT - Network Black Hole?


> Mark,
>
> you might want to get him to try installing 'ICS configuration' from
here
:
> http://www.practicallynetworked.com/sharing/ics/ics.htm
>
> You can set specific ports to be forwarded to internal machines
(including
> localhost)...gotta be worth a try.
>
> but maybe your already on to it :-)
>
> Neil
>
> ----- Original Message -----
> From: "Mark McCall" <mark@xxxxxxx>
> To: <ukha_d@xxxxxxx>
> Sent: Monday, April 09, 2001 3:48 PM
> Subject: Re: [ukha_d] OT - Network Black Hole?
>
>
> > Thanks...will give these a try.
> >
> > M.
> >
> >
> > ----- Original Message -----
> > From: "Adam Stevens" <adam@xxxxxxx>
> > To: <ukha_d@xxxxxxx>
> > Sent: Monday, April 09, 2001 3:31 PM
> > Subject: RE: [ukha_d] OT - Network Black Hole?
> >
> >
> > > > A mate is going up the walls because he cannot connect
to his
machine
> > over
> > > the Net
> > > > via VNC etc.  We have tried another remote-control app
as well as
> > > shoutcast server
> > > > and nothing works.
> > >
> > > Couple of things...
> > >
> > > Is he running a local network?  If so, can he VNC to one
machine
>from
> > > another locally?
> > >
> > > I don't know if "Shields Up" does a port scan of
high port numbers,
but
> > VNC
> > > uses as default port 5800 and 5900.  5800 is used for it's
own web
> server,
> > > so it's quite a good test to go to "http://hisIPaddress:5800/";
and see
> if
> > > you get a VNC login screen... If you don't then either the
port is
being
> > > blocked, or VNC isn't setup (which narrows it down, because
if
you're
> sure
> > > VNC is set-up correctly, then it's something blocking the
ports!
> > >
> > > You could also try some other type of port scanning software
to scan
the
> > > high ports (eg, 5800 and above).  See if you get anything
there.
> > >
> > > Can you access his web server (PWS) remotely?  If so, can
you switch
the
> > PWS
> > > port from 80 to 5800 or 5900, and see if you can still
access it...
If
> you
> > > can connect when it's on port 80, but not when it's on port
5800,
then
> > > something *is* blocking the port!
> > >
> > > FWIW, I have a friend, who's w2k machine refuses to allow
any FTP
server
> > on
> > > port 21 (including IIS).  It's almost as if port 21 on his
machine
is
> > "bust"
> > > :-)  Sounds like a similar problem?
> > >
> > > If none of the above works, then give it a good hard kick...
Or do
what
> > the
> > > network admins did at one place I worked at, and just spend
a few
hours
> > > pinging machines until it magically starts working! :-)
> > >
> > > Adam.
> > >
> > >
> > >
> > >
> > >
> > > Your use of Yahoo! Groups is subject to
> http://docs.yahoo.com/info/terms/
> > >
> > >
> > >
> >
> >
> >
> >
> >
> > Your use of Yahoo! Groups is subject to
http://docs.yahoo.com/info/terms/
> >
> >
>
>
>
>
>
> Your use of Yahoo! Groups is subject to http://docs.yahoo.com/info/terms/
>
>
>





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