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windows xp and file permisssion

R

randomlinh

Lifer
how exactly would the file permissions work in the following situation...
three computers, A, B and C. Let's have AUser, BUser. and CUser, all respective of their computers.

A is the fileserver, BUser and CUser connect to a fileshare on A using the AUser login/pass.

Now, some of the files on the A are not accessable by anyone now. I have no idea why that happens. I have yet to try as the admin since apparently, I somehow forgot it. Haven't successfully reset it...

but it's happened in the past before as well. what is the flaw in my setup that causes all these file permission errors, and what are ways to avoid it? I'm building a new fileserver and want to use linux, but don't want to learn for just one fileserver for myself. It's much easier for me to setup a dummy windows box hacked for raid 5.

I'm playing w/ ubuntu right now as an alternative, but I suspect I'll default and drop back to windows, so I'd figure I'd try to see what I'm doing wrong.

Thanks
 


Couple things:

1. Is the file inaccessible or not visible?

2. How about when logged on locally as userA?

3. What operating systems are on ABC?

4. Is there a domain anywhere in the picture or are userA, userB, userC just local accounts on the respective machines?

5. If in a workgroup and not domain: Did you create userB, userC on Computer A?

 
1) inaccessible
2) cannot access as local userA (cannot try administrator either)
3) all windows xp
4) no domain
5) computer a does not have account for userB/C. userB/C uses account userA to login the shared folder

i realize if i did have everything as a domain, it'd probably work out better.. but i didn't really want to set that up. but just to add, I'm not interested in saving these files so much, it happens that i don't care about the ones I can't get to. however, for future reference... it'd be nice to know.
 
There are several Internet sites that discuss file sharing in XP.

For a quick wrap-up:
ASSUMING that "simple file sharing" is turned off on your XP file server.....
There are two things that NTFS cares about:
1) "Sharing"
2) "Security"

SHARING determines whether folders can be seen across the network. No sharing....no networking of files. For simplicity, set any folder that you want to share to "EVERYONE", Full Control.

SECURITY is now used to set the detailed access rights of users and groups. Except for Local Administrators, to access a file or folder, an account must have explicit rights to do so. Anybody trying to access a file or folder must have an account on the XP computer that is hosting the files.

Also, by default, XP requires that ALL ACCOUNTS HAVE PASSWORDS. If they don't, they won't be able to access shared folders and files.

"Ownership" sometimes becomes a factor. When files or drives are moved from one XP computer to another, NTFS doesn't know who the files belong to anymore. Furthermore, NTFS doesn't know who should have access rights to the files.

In order to set the new access rights, a Local Administrator must "take ownership" of the files. Once ownership is established, the Administrator can set the Sharing and Security permissions and re-establish sharing of the files.
 
Originally posted by: RebateMonger
"Ownership" sometimes becomes a factor. When files or drives are moved from one XP computer to another, NTFS doesn't know who the files belong to anymore. Furthermore, NTFS doesn't know who should have access rights to the files.

In order to set the new access rights, a Local Administrator must "take ownership" of the files. Once ownership is established, the Administrator can set the Sharing and Security permissions and re-establish sharing of the files.
Click to expand...

that is what must be happening then. I was not sure if the ownership problem was because of my own mistakes or not. this will be interesting in how i get my xbox to read the share drives... not sure if I can give it a username/login to use or not. we'll see.

 
Originally posted by: randomlinh
that is what must be happening then. I was not sure if the ownership problem was because of my own mistakes or not. this will be interesting in how i get my xbox to read the share drives... not sure if I can give it a username/login to use or not. we'll see.
Click to expand...
Microsoft has published a way to NOT use passwords for network file sharing. Search MS's Support site for the procedure.
 
Originally posted by: randomlinh
1) inaccessible
2) cannot access as local userA (cannot try administrator either)
3) all windows xp
4) no domain
5) computer a does not have account for userB/C. userB/C uses account userA to login the shared folder

i realize if i did have everything as a domain, it'd probably work out better.. but i didn't really want to set that up. but just to add, I'm not interested in saving these files so much, it happens that i don't care about the ones I can't get to. however, for future reference... it'd be nice to know.
Click to expand...

Item #2 there is your key.

This takes share permissions out of the picture, and any network connectivity. UserA simply does not have the proper NTFS permissions.
 
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