Hello, I was wondering if it was at all possible to block SMB over the network using ACL's. Currently all I'm looking to try and do is block the separate windows machines from discovering each other on our "public" network. I have done some research and found some protocols that could be blocked however no matter how many protocols I block with an ACL it still gets through and the PC's can still find each other and share files and folders. If anyone could at least point me in the right direction that would be much appreciated.
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