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Wireless Networks Thread, Connecting 2 networks to a Photocopier in Technical; Whichever way you do it you do open up a security hole between the two networks as at some point ...
  1. #16

    SYNACK's Avatar
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    Whichever way you do it you do open up a security hole between the two networks as at some point in the chain one device is going to be able to talk to both networks and if that device is compromised then it can be exploited to gain access to the other network. It is actually safer doing it the way suggested by SimpleSi as this does not open up a network channel.

    If I had to set it up connected to both networks over IP I would look at using a router to regulate access. This router or core layer4 switch would be connected to both the networks and the printer network. For an example Admin 172.16.1.0, Curr 10.15.0.0 and printers 192.168.15.0

    The router would be the default gateway or a defined route on the actual default gateway to the printer network. The router would only allow traffic sourced directly from the printer network to exit to either network using either access lists or route restriction which would prevent the passing of data from one network to another without some fancy workarounds.

  2. #17

    mac_shinobi's Avatar
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    Quote Originally Posted by SYNACK View Post
    Whichever way you do it you do open up a security hole between the two networks as at some point in the chain one device is going to be able to talk to both networks and if that device is compromised then it can be exploited to gain access to the other network. It is actually safer doing it the way suggested by SimpleSi as this does not open up a network channel.

    If I had to set it up connected to both networks over IP I would look at using a router to regulate access. This router or core layer4 switch would be connected to both the networks and the printer network. For an example Admin 172.16.1.0, Curr 10.15.0.0 and printers 192.168.15.0

    The router would be the default gateway or a defined route on the actual default gateway to the printer network. The router would only allow traffic sourced directly from the printer network to exit to either network using either access lists or route restriction which would prevent the passing of data from one network to another without some fancy workarounds.
    which way is that sorry, Been through the posts above and can't see which way you are referring to.

  3. #18

    SimpleSi's Avatar
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    Just set up a print server that can bee seen on both networks ..
    put 2 nics in it..
    1 admin and 1 curric.
    if you have split network.
    The problem with all the 2 network solutions is that it would do in the ability for the document scanner functions you get with modern photocopiers.

    Which is not say its a killer problem and thinking about it - if the print server was a w2k3 machine/file server - the files would be saved on the server and then they could be accessed as a shared folder.

    I think I'll need to see if an old ex-teacher toshlaptop with a wireless card can be used as the bridging device - also would get around photocopier location issues as it usually not easy to put in a place with both networks availabe via cat 5.

    regards

    Simon

  4. #19

    mac_shinobi's Avatar
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    Quote Originally Posted by SimpleSi View Post
    The problem with all the 2 network solutions is that it would do in the ability for the document scanner functions you get with modern photocopiers.

    Which is not say its a killer problem and thinking about it - if the print server was a w2k3 machine/file server - the files would be saved on the server and then they could be accessed as a shared folder.

    I think I'll need to see if an old ex-teacher toshlaptop with a wireless card can be used as the bridging device - also would get around photocopier location issues as it usually not easy to put in a place with both networks availabe via cat 5.

    regards

    Simon
    use open filer or free nas and get it to scan to the nas computer and make the nas computer have 2 nics as per an above suggestion and have one nic configured to the admin network and the other one on the curric network and setup a generic scanning account on the copier to scan to the same location or you could make an account for each user that scans into the same location + \username ie

    user 1
    user 2
    user 3

    if the computer was named compscans then unc path would be something along the lines of

    \\compscans\root_share\userX

    where userX is each users sub folder so they get there own scans in there own user folder.

  5. #20

    SimpleSi's Avatar
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    Do nas /openfiler handle printing and have drivers for photcopiers?

    regards

    Simon

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