SMC Networks Barricade SMC2404WBR - Manual (Page 86)

Click on the "Add PC" link in order to define the appropriate settings for Client
PC services.
Figure 1.1
You can set a "Client PC Description". This should help you identify which PC or
group of PCs that specific filtering rule applies to. The "Client PC Description"
will be listed on the main Access Control Page in the "Normal Filtering Table".
You can also specify the "Client PC Address". This allows you to segment a
range of PCs and limit the services they have access to. The "Client PC Service"
lists the plethora of protocols/services that the Wireless Barricade Turbo can
effectively and completely block access to. (Note: This is solely port based)