SMC Networks ADSL Barricade SMC7204BRA - Manual (Page 148)

Configuring IP Filters and Blocked Protocols
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needed or wanted on your network, this feature provides a
convenient way to discard such data before it is passed.
To display the [Blocked Protocols] page, click the [Services] tab,
and then click [Blocked Protocols] in the task bar. The [Blocked
Protocols] page appears, as shown in Figure 52.
Figure 52. Blocked Protocols Page
Warning: Blocking certain protocols may disrupt or disable
your network communication or Internet access.
If you are unfamiliar with how your network
or Internet connection uses these protocols,
contact your ISP before disabling.
The following list describes each of the available protocols.