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diami
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Message 1 of 2

W10 block access to shared folders

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Hi

I have a host (PC-A) W10 where unmanaged client McAfee Endpoint Security 10.7 Installed with the firewall features.

I have some shared folders from PC-A and would like to restrict access to the shared folders on the same subnet from others hosts with exceptions.  I know that should be super easy to limit an incoming traffic from others hosts but I really don't get it how to accomplish that. I have predefined rules "Allow SMB over TCP and UDP", I changed those from Allow to Block state but still nothing. Totally lost, maybe someone could advice how to create the rule correctly? 🙂 

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Pravas
McAfee Employee
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Re: W10 block access to shared folders

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Hi @diami ,

I understand that you would like to restrict incoming access to shares with exceptions.

Please create 2 firewall block rules as follows.

1) Block Incoming UDP

Direction - IN

Local Ports - 137,138

 

2) Block Incoming TCP

Direction -IN

Local Ports - 135, 139, 445


If you would like to allow some IPs to be able to connect to share. Duplicate these policies and place it above the block rule.  Add IP address as Remote Network.

I hope this helps.

Thanks

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Pravas
McAfee Employee
McAfee Employee
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Message 2 of 2

Re: W10 block access to shared folders

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Hi @diami ,

I understand that you would like to restrict incoming access to shares with exceptions.

Please create 2 firewall block rules as follows.

1) Block Incoming UDP

Direction - IN

Local Ports - 137,138

 

2) Block Incoming TCP

Direction -IN

Local Ports - 135, 139, 445


If you would like to allow some IPs to be able to connect to share. Duplicate these policies and place it above the block rule.  Add IP address as Remote Network.

I hope this helps.

Thanks

View solution in original post

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