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Networking Oddity - Mixed Home Network

J

John McGaw

Flightless Bird
Put simply, I have an overly-elaborate home network. Devices are Beauty
(i7-920,win 7 ultimate), Beast (i7-920, win xp), File Server (celeron, win
xp), HTPC (q6600, win xp mce), 2 Iomega 1gB media drives, 2 networked
printers, and occasionally a notebook (win vista home). All are connected
through an 8-port Gigabit switch and from there to the internet through a
netgear router and then an AT&T U-verse gateway. Since internet access in
and out work fine on all computers we can probably safely forget about the
router portions. All computers are using Windows Firewall. All of the usual
cautions about shared account names, passwords, etc have been taken care of.

The problem: I can log onto HTPC and access every other device on the
network with no problem, read files, remote login, etc (except for the
notebook which doesn't support that). I can log onto any other computer and
access every other device on the network BUT NOT HTPC. So HTPC effectively
has a one-way path to the home network.

I have looked at services and settings on HTPC and have torn out much of
what remains of my hair but haven't come up with anything. Can anyone offer
any help about where to start looking?

TIA

--
John
 
P

Pegasus [MVP]

Flightless Bird
"John McGaw" <nowhere@at.all> said this in news item
news:-OFbh3HyjKHA.1864@TK2MSFTNGP05.phx.gbl...
> Put simply, I have an overly-elaborate home network. Devices are Beauty
> (i7-920,win 7 ultimate), Beast (i7-920, win xp), File Server (celeron, win
> xp), HTPC (q6600, win xp mce), 2 Iomega 1gB media drives, 2 networked
> printers, and occasionally a notebook (win vista home). All are connected
> through an 8-port Gigabit switch and from there to the internet through a
> netgear router and then an AT&T U-verse gateway. Since internet access in
> and out work fine on all computers we can probably safely forget about the
> router portions. All computers are using Windows Firewall. All of the
> usual cautions about shared account names, passwords, etc have been taken
> care of.
>
> The problem: I can log onto HTPC and access every other device on the
> network with no problem, read files, remote login, etc (except for the
> notebook which doesn't support that). I can log onto any other computer
> and access every other device on the network BUT NOT HTPC. So HTPC
> effectively has a one-way path to the home network.
>
> I have looked at services and settings on HTPC and have torn out much of
> what remains of my hair but haven't come up with anything. Can anyone
> offer any help about where to start looking?
>
> TIA
>
> --
> John

A good starting point might be to post the output from the command below
when executed on HTPC and on one of the other PCs. I would also disable all
firewalls on HTPC while testing. What happens when you boot up HTPC in Safe
Mode with Networking?
 
J

John Wunderlich

Flightless Bird
"Pegasus [MVP]" <news@microsoft.com> wrote in
news:-OKQvGcyjKHA.340@TK2MSFTNGP02.phx.gbl:

>
>
>
> "John McGaw" <nowhere@at.all> said this in news item
> news:-OFbh3HyjKHA.1864@TK2MSFTNGP05.phx.gbl...
>> Put simply, I have an overly-elaborate home network. Devices are
>> Beauty (i7-920,win 7 ultimate), Beast (i7-920, win xp), File
>> Server (celeron, win xp), HTPC (q6600, win xp mce), 2 Iomega 1gB
>> media drives, 2 networked printers, and occasionally a notebook
>> (win vista home). All are connected through an 8-port Gigabit
>> switch and from there to the internet through a netgear router
>> and then an AT&T U-verse gateway. Since internet access in and
>> out work fine on all computers we can probably safely forget
>> about the router portions. All computers are using Windows
>> Firewall. All of the usual cautions about shared account names,
>> passwords, etc have been taken care of.
>>
>> The problem: I can log onto HTPC and access every other device on
>> the network with no problem, read files, remote login, etc
>> (except for the notebook which doesn't support that). I can log
>> onto any other computer and access every other device on the
>> network BUT NOT HTPC. So HTPC effectively has a one-way path to
>> the home network.
>>
>> I have looked at services and settings on HTPC and have torn out
>> much of what remains of my hair but haven't come up with
>> anything. Can anyone offer any help about where to start looking?
>>
>> TIA
>>
>> --
>> John
>
> A good starting point might be to post the output from the command
> below when executed on HTPC and on one of the other PCs. I would
> also disable all firewalls on HTPC while testing. What happens
> when you boot up HTPC in Safe Mode with Networking?
>
>

Hmmmm. The command "below" does not work on my machine. ;-)
Perhaps you meant:
ipconfig /all

-- John
 
J

John McGaw

Flightless Bird
On 1/6/2010 7:44 PM, John Wunderlich wrote:
snip...
>
> Hmmmm. The command "below" does not work on my machine. ;-)
> Perhaps you meant:
> ipconfig /all
>
> -- John

I'll give that a shot tomorrow sometime....
 
P

Pegasus [MVP]

Flightless Bird
"John Wunderlich" <jwunderlich@lycos.com> said this in news item
news:Xns9CF8AA56A7365wunderpsdrscray@138.125.254.103...
> "Pegasus [MVP]" <news@microsoft.com> wrote in
> news:-OKQvGcyjKHA.340@TK2MSFTNGP02.phx.gbl:
>
>>
>>
>>
>> "John McGaw" <nowhere@at.all> said this in news item
>> news:-OFbh3HyjKHA.1864@TK2MSFTNGP05.phx.gbl...
>>> Put simply, I have an overly-elaborate home network. Devices are
>>> Beauty (i7-920,win 7 ultimate), Beast (i7-920, win xp), File
>>> Server (celeron, win xp), HTPC (q6600, win xp mce), 2 Iomega 1gB
>>> media drives, 2 networked printers, and occasionally a notebook
>>> (win vista home). All are connected through an 8-port Gigabit
>>> switch and from there to the internet through a netgear router
>>> and then an AT&T U-verse gateway. Since internet access in and
>>> out work fine on all computers we can probably safely forget
>>> about the router portions. All computers are using Windows
>>> Firewall. All of the usual cautions about shared account names,
>>> passwords, etc have been taken care of.
>>>
>>> The problem: I can log onto HTPC and access every other device on
>>> the network with no problem, read files, remote login, etc
>>> (except for the notebook which doesn't support that). I can log
>>> onto any other computer and access every other device on the
>>> network BUT NOT HTPC. So HTPC effectively has a one-way path to
>>> the home network.
>>>
>>> I have looked at services and settings on HTPC and have torn out
>>> much of what remains of my hair but haven't come up with
>>> anything. Can anyone offer any help about where to start looking?
>>>
>>> TIA
>>>
>>> --
>>> John
>>
>> A good starting point might be to post the output from the command
>> below when executed on HTPC and on one of the other PCs. I would
>> also disable all firewalls on HTPC while testing. What happens
>> when you boot up HTPC in Safe Mode with Networking?
>>
>>
>
> Hmmmm. The command "below" does not work on my machine. ;-)
> Perhaps you meant:
> ipconfig /all
>
> -- John

Yes . . . thanks.
 
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