ZyXEL Communications GS1910 User Manual page 64

Chapter 5 Tutorials
Go to Configuration > Security > Network > ACL > Access Control List. Click the Add icon
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to create a new ACL policy.
Select the port on which the matched traffic is received (All ports in this example).
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Set Policy Filter to Specific and Policy Bitmask to 0xff to give this policy one ID number in the
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Policy Value field. You then can apply this policy to a port using this policy ID.
Select IPv4 in the Frame Type field.
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Select Network in the DIP Filter field and specify the destination address and subnet mask of
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matched traffic in this policy.
Set Action to Deny to block all mattached traffic.
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GS1910/XGS1910 Series User's Guide