Re: XP Home: selective folder sharing
From: Chuck (none_at_example.net)
Date: 01/19/05
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Date: 19 Jan 2005 07:19:03 -0600
On Tue, 18 Jan 2005 19:51:03 -0800, DaddySchlich
<DaddySchlich@discussions.microsoft.com> wrote:
>"Chuck" wrote:
>
>> On Mon, 17 Jan 2005 20:01:05 -0800, DaddySchlich
>> <DaddySchlich@discussions.microsoft.com> wrote:
>>
>> >Next steps. As you suggested, I totally shut down both the XP and W98SE
>> >machines. Then I rebooted. No different outcome.
>> >
>> >Late this afternoon, my son booted up another PC on the same network - a
>> >Windows 98 machine. Oddly enough, it was able to see the XP machine on the
>> >network - no problem. I doublechecked the Master Browser, and it was set to
>> >Automatic, not Disable. Because it was working, I didn't touch a thing.
>> >
>> >So, below, I give you 4 ipconfig files - two on the XP machine, one with an
>> >802.11g network adapter attached, and one without, one on the problem Win98SE
>> >machine, and one on the Win98 machine that's networking fine.
>> >
>> >Let me know what you think,
>> >
>> > Daddy Schlich
>>
>> Daddy,
>>
>> You have an intriguing network. Lots of fun there. ;-)
>>
>> Node Types either Hybrid or Mixed, no problem there. The dual personality of
>> Falcon-II is interesting - Configuration 1 (with 802.11g) puts it on the
>> 192.168.1.0/24 subnet, Configuration 2 (without 802.11g) puts it on
>> 192.168.0.0/24 subnet - as 192.168.0.1. And you're using a bridge in both
>> configurations.
>>
>> Is Falcon-II providing internet service for Falcon using the bridge? When does
>> Falcon-II run on 802.11g? What does Falcon do when Falcon-II is on 802.11g?
>>
>> Falcon, OTOH, is on the 192.168.0.0/24 subnet. What does Falcon do for browsing
>> when Falcon-II is on 802.11g?
>>
>> You disabled the browser on Falcon. Did you test its ability to see Falcon-II
>> (and Micron) when Micron is on the network, and when it's off?
>>
>> What is the master browser (per Browstat from Falcon-II)?
>>
>> I note that Micron also has its own internet service.
>>
>> Let's get a diagnosis of your problem. Take the following code (everything
>> inside the "#####"). (Did I get the names and ip addresses right)?
>>
>> Please disable the browser on Micron, and power everything off again to reset.
>>
>> Highlight then Copy the code (Ctrl-C), precisely as it is keyed, and Paste
>> (Ctrl-V) into Notepad. Ensure that Format - Word Wrap is not checked.
>> Save the Notepad file as "cdiag.cmd", as type "All Files", into the root folder
>> "C:\".
>> Run it by Start - Run - "c:\cdiag".
>> Wait patiently.
>> When Notepad opens up displaying c:\cdiag.txt, first check Format and ensure
>> that Word Wrap is NOT checked! Then, copy the entire contents (Ctrl-A Ctrl-C)
>> and paste (Ctrl-V) into your next post.
>>
>> Do this from all computers, please, with all computers powered up and online.
>>
>> #####
>>
>> @echo off
>> set FullTargets=FALCON-II 192.168.0.1 FALCON 192.168.0.179 MICRON 192.168.0.43
>> set PingTargets=127.0.0.1
>> Set Version=V1.05
>> @echo CDiagnosis %Version% >c:\cdiag.txt
>> @echo Start diagnosis for %computername% (Targets %FullTargets%) >>c:\cdiag.txt
>> for %%a in (%FullTargets% %PingTargets%) do (
>> @echo. >>c:\cdiag.txt
>> @echo Target %%a >>c:\cdiag.txt
>> @echo. >>c:\cdiag.txt
>> @echo "ping %%a" >>c:\cdiag.txt
>> @echo. >>c:\cdiag.txt
>> ping %%a >>c:\cdiag.txt
>> @echo. >>c:\cdiag.txt
>> @echo "net view %%a" >>c:\cdiag.txt
>> @echo. >>c:\cdiag.txt
>> net view %%a >>c:\cdiag.txt
>> )
>> @echo End diagnosis for %computername% >>c:\cdiag.txt
>> notepad c:\cdiag.txt
>> :EOF
>>
>> #####
>>
>>
>> --
>> Cheers,
>> Chuck
>> Paranoia comes from experience - and is not necessarily a bad thing.
>> My email is AT DOT
>> actual address pchuck sonic net.
>>
>
>Chuck,
>
>My "intriguing" network? - a story of accretion, and making as minimal
>changes as possible for things to work. Short story: Bought the Micron,
>Falcon, and Falcon-II over a period of 7 or so years. So each came with an
>independent ability to access the Internet. Falcon-II and Falcon have 56k
>modems, Micron has a 28.8k modem. After losing battles with Internet
>connection sharing a few years back, we basically logon to the Internet
>separately from each machine. (Micron and Falcon II have Compuserve, which
>has a separate DUN, or something.) The 802.11g adapter is a recent
>inexpensive gift and is an addition on a USB port. Turns out there are
>indeed unprotected access points in our neighborhood. On an experimental
>basis, we use it on and off.
>
>In fact, the impetus for this whole exercise, and my original question, was
>a concern that others could see folders on Falcon-II, and so I was hoping to
>set it up so that anyone logging onto the Falcon or Micron through our wired
>LAN would have access to Falcon-II files, but no one else. Don't know
>whether I should be worried, or even worried about Falcon and Micron files.
>
>On my home network problem, I think I've found a fix. I successfully ran
>cdiag on the XP machine, but it wouldn't run on the 98SE or 98 machines. The
>98SE machine just pulled the file up in Wordpad; the 98 machine said it
>needed to have the program associated with file. So I looked at the content
>of the file, and it seemed that it was checking to see whether all 3 machines
>could ping one another. A-ha.
>
>Last fall, I had to reinstall Win98SE on the Falcon, and had home network
>problems after that, which I now remembered trouble-shooting through the
>Win98 community newsgroup. I found my lengthy notes, and succeeded in
>pinging the other two machines from the network from each of the three. OK.
>
>I then found in my notes that a common problem when you can't browse the
>network but can ping the other machines is that a user isn't logged on. As I
>think I mentioned earlier in this chain, I had added a "Test" user on the
>98SE machine to see whether I could limit access to that user from the XP
>machine. (I noticed at that point that the machine had a "user" logged on,
>but it was not in Control Panel - Users screen.) No luck in making that
>solution work to selectively share folders, so I deleted the Test user. So
>in logging on, I was getting the Windows logon screen with no users listed,
>and was hitting "Cancel."
>
>So I've gone to Users and created a "DaddySchlich" user with no password.
>Booted up that way, and full access was restored. Yea!!
>
>Of course, now I had to hit enter to logon every time! nuts. So I
>downloaded TweakUI 1.33. Activated Autologon and Client for Microsoft
>Networks as Primary Network Logon, so a Logon screen shows, but it disappears
>automatically. Not nearly as elegant as before - when it just booted
>straight to Desktop with no logon screen. And there's a beep at the end of
>the bootup routine that suggests that something's still not quite right.
>
>So, where I now stand,
>
>1. should I worry about others looking at my files over the wireless link?
>(I have a firewall on the XP machine.) If so, should I pursue the Safe Mode
>option you first suggested to disable Simple File Sharing? Can I set it up
>so that the Falcon boots directly to Desktop, and there is a logged on User
>that the XP can validate without more?
>
>2. independently, is there a way to set up the Falcon so it boots directly
>to Desktop without showing a Logon screen at all, as it was set up at the
>beginning? (Coincidentally, I made an image of my Boot partition this past
>weekend, just before starting all this, so I can just restore that image if
>need be.)
>
>Chuck, thank you for all your help on this matter. This certainly is not
>easy stuff.
>
>What do you think are my options at this point?
>
>Thanks,
>
> Daddy Schlich
The ethics, and legality, of hijacking a wireless signal (unprotected, unknown
sources) for internet access are heavily discussed in other forums (maybe
alt.internet.wireless and / or microsoft.public.windows.networking.wireless), so
I won't get into that. What I will say is that, IMHO, if your're going to
connect any computer to a wireless network, you should protect it as well as a
computer connected directly to the internet.
Simple File Sharing is a bad idea here, which in my book says NO XP Home. But
yes, if you can disable SFS under XP Home using the recommended (but
unsupported) procedure, then try it.
If you use ICS, instead of a bridge, on Falcon-II, then Falcon and Micron would
be protected by the NAT in Falcon-II, at least. As it stands right now, if
Falcon-II is running a bridge, I would suspect that Falcon and Micron are
visible to the world outside Falcon-II. Which means your wireless neighbors,
unknown as they are.
I should note that some of the discussions (mentioned above) include the ethics
of hacking any computer connected to one's wireless LAN without permission.
IOW, your computers may be targets, more so than if you were operating the
wireless LAN. Please protect yourself.
Install a software firewall on Falcon and on Micron, and use fixed ip addresses
on both. Put manually assigned ip addresses in the Local (highly trusted) Zone.
Open the firewalls for file sharing, only in the Local Zone, to assigned
addresses.
You could go back to skipping the logon screen on Falcon, yes. But that won't
give you authentication for file sharing with Falcon-II. Not without Guest
access, anyway, but Guest access on an unprotected wireless LAN is also a bad
idea. Which again means disabling SFS. You should explicitly disable the Guest
account, and rename the administrative account, whenever possible.
You need to have two accounts for all 3 computers. One administrative (full),
the other normal (limited). You should use the full account only when
installing software, and only when not connected to the LAN. Which means,
again, having to enable Windows Logon.
In short, I don't think I would personally do what you're doing, at least with
Windows 9x. But, if you're going to do this, please let us know how you set it
up. This is, at least, a lesson in unconventional LAN topology. Which many
here can learn from.
-- Cheers, Chuck Paranoia comes from experience - and is not necessarily a bad thing. My email is AT DOT actual address pchuck sonic net.
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