Sharing Internet Connection

Discussion in 'DIY Computers' started by Jeff Gaines, Dec 19, 2011.

  1. Jeff Gaines

    Jeff Gaines Guest

    I have a neighbour who is here at weekends only and I am thinking of
    offering her a piggy back on my Internet connection.

    I have a Billion BiPac 7800(N) and I thought that WPS would give her a
    connection independent of my network but it doesn't, I completely
    misunderstood it.

    If I just give her my WPA key and authorise her MAC address then it seems
    to me she will get access to the Internet and my local network which would
    not be sensible.
    Is there a secure way to set up sharing?

    Sorry to ask here but the UK Windows and Network groups seem moribund, I
    did have to 'home build' the router to the extent of screwing the aerials
    on!

    --
    Jeff Gaines Wiltshire UK
    640k ought to be enough for anyone.
    (Bill Gates, 1981)
     
    Jeff Gaines, Dec 19, 2011
    #1
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  2. Jeff Gaines

    Daniel James Guest

    In article <>, Jeff Gaines wrote:
    > If I just give her my WPA key and authorise her MAC address then it
    > seems to me she will get access ...


    Yes. That will give her access to the wireless network, and so to any
    network services that are public (i.e. not otherwise secured) within
    that network.

    Be aware that locking down the MAC addresses that can access your
    network doesn't really buy you anything, as it's quite easy to
    intercept network traffic to your router and discover what MAC
    addresses it accepts. These are transmitted in clear, so anyone can see
    them.

    > Is there a secure way to set up sharing?


    Yes.

    You can't use the security of the wireless network to secure computers
    within the network from one another, you have to use the security
    provided by the OS(es) being used.

    This can be pretty straightforward, depending on the OS(es) in
    question. What I do (on Windows) is to create a user group called
    "LAN_Users" and add all my local users to it. I also set up Windows
    permissions on any shares so that only members of that group can access
    the shares.

    Anything that I want to allow visitors to access (such as a shared
    printer) I give wider access to, of course.

    As long as your visitor doesn't know the ID and password of any member
    of the "LAN_Users" group (or of the "Administrators" group, which would
    allow access to the default administrative shares) she shouldn't be
    able to access any of your shared volumes.

    Note that this is made much harder to manage by the "Simplified"
    network sharing in "Home" versions of Windows, which is so dumbed down
    that I can't work out how to set it up at all! Any sort of networking
    more sophisticated than a simple default workgroup with unsecured
    shared really needs a "Pro" version of Windows.

    > Sorry to ask here but the UK Windows and Network groups seem moribund


    You might have done better to post in uk.comp.home-networking, which is
    alive though rather quiet. It's more on-topic there than here and you
    will get some good advice there.

    Newsgroups become livelier when people post there, but they become
    moribund when people start avoiding them because they seem quiet.
    Avoiding a group that seems quiet is a sure way to hasten its decline.

    Cheers,
    Daniel.
     
    Daniel James, Dec 20, 2011
    #2
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  3. Jeff Gaines

    Jeff Gaines Guest

    On 20/12/2011 in message <> Daniel James
    wrote:

    [snipped]

    Many thanks Daniel :)

    I've kept that for future use.

    --
    Jeff Gaines Wiltshire UK
    There are 10 types of people in the world, those who do binary and those
    who don't.
     
    Jeff Gaines, Dec 24, 2011
    #3
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