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Windows 7: File Sharing - How to Block Guests ?


25 Feb 2012   #1

Win7 Ultimate x64, Windows 8 Enterprise x64
 
 
File Sharing - How to Block Guests ?

Some advice needed please.

We have a small network which includes 3 PCs (Desktop Win 7 Ultimate x 64, Laptop Win 7 Ultimate x 86, and a Laptop Win XP Professional). These 3 PCs file share on the network (in all directions), the Laptops using Wi-Fi. The router is the latest Orange Livebox (French version), and we use this as our package includes free phone calls using the Livebox connection.

We run a small holiday rental which includes access to the internet for the guests using Wi-Fi.

What I would like to know is can the guests also see the files on our network PCs?

If they can, is there a way to prevent this? (Perhaps configuring our firewalls - Eset Smart Security on all 3 PCs).

I hope that I have explained clearly, and any advice would be much appreciated.

TIA,
Paul.


My System SpecsSystem Spec
.

25 Feb 2012   #2

Windows 8.1 Pro RTM x64
 
 

Hi Paul,

Do you have a separate Wi-Fi network for your guests?
My System SpecsSystem Spec
25 Feb 2012   #3

Windows 7 Ult, Windows 8.1 Pro,
 
 

Good idea Dwarf.

My Dlink DIR-655 router has a wireless guest zone under the advanced wireless settings. The guest zone uses a seperate SSID.

This keeps your guests from being part of your regular network so they can't see your files.


Attached Thumbnails
File Sharing - How to Block Guests ?-guest-zone-dlink-router.png  
My System SpecsSystem Spec
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25 Feb 2012   #4

Win7 Ultimate x64, Windows 8 Enterprise x64
 
 

Hi,

No separate Wi-Fi for guests.

Here is a screenshot of the 'Advanced' section in the router.
File Sharing - How to Block Guests ?-capture.png

TIA,
Paul.


My System SpecsSystem Spec
25 Feb 2012   #5

windows 8.1 Pro x64
 
 

I could be mistaken but if you setup password protected sharing you could also effectively block guests from accessing your shared files. Still not as convenient and safe as a router with a guest zone which I would highly recommend looking into for your situation
My System SpecsSystem Spec
25 Feb 2012   #6

Win7 Ultimate x64, Windows 8 Enterprise x64
 
 

Quote   Quote: Originally Posted by Zahl View Post
I could be mistaken but if you setup password protected sharing you could also effectively block guests from accessing your shared files. Still not as convenient and safe as a router with a guest zone which I would highly recommend looking into for your situation
From Windows Help:
By turning on password-protect sharing in Control Panel, you can limit Public folder access to people with a user account and password on your computer.


Does that not mean that only users on a particular PC can access the files?


If not, does password sharing mean that all PCs on the network need another or new password as well as their Windows login password?
My System SpecsSystem Spec
25 Feb 2012   #7

Windows 8.1 Pro RTM x64
 
 

Oh dear. That is not very secure at all. I would say that the likelihood of guests being able to see your files (and, conversely, you being able to see theirs) is quite high. You should really be using separate networks in a business environment, in order to keep the staff side private and apart from your guests and other users. If you have confidential data (and I suspect that you do), then it is very important that you take steps in order to protect it. What you can do, if you don't have a guest facility on your router, is to attach another router to your main one via one of the Ethernet connections. This new router will then become the wireless connection for your guests. You can now make the primary router secure for the staff. On this router, enable SSID (don't broadcast it), WPA2/PSK and MAC filtering to ensure that only authorised devices can connect.

Simplified Diagram:

ISP
|
Main Router -- Your Private Network (wired/wireless [with SSID, WPA2/PSK and MAC filtering protection])
|
Second Router -- Guest Network (Open Access)

To generate passwords for WPA2/PSK, I suggest that you visit https://www.grc.com/passwords.htm and utilise the second selection, 63 random printable ASCII characters, for maximum security. Note that each time you refresh this link, you will get a different combination which will not be repeated.
My System SpecsSystem Spec
25 Feb 2012   #8

Windows 7 Ultimate 64bit
 
 

I agree with Chev get a router that allows you to have guests that can connect and use the internet but not access your local network


Attached Thumbnails
File Sharing - How to Block Guests ?-netgear-guest.png  
My System SpecsSystem Spec
26 Feb 2012   #9

Win7 Ultimate x64, Windows 8 Enterprise x64
 
 

Been reading elsewhere about admin sharing.

Would 'admin' shares work?
My System SpecsSystem Spec
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 File Sharing - How to Block Guests ?




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