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How to block some internal IPs

Dear all,

I have some users who are wasting my bandwidth enormusly , and wish to black list that Ips completely.

Does any one knows best practice to blacklist private IPs

 am having sophos SG 135.


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Parents
  • Yes i am using NAT and Web protection (IP Based) as well.

    Disabling managed switch port doesn't solves purpose as some of the client is on wireless too.

    and users are so wise that they can change IP too , so i am hunting to block its internet by their MAC address.

    Please suggest if any.
Reply
  • Yes i am using NAT and Web protection (IP Based) as well.

    Disabling managed switch port doesn't solves purpose as some of the client is on wireless too.

    and users are so wise that they can change IP too , so i am hunting to block its internet by their MAC address.

    Please suggest if any.
Children
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