Filter
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HotBrick Network Solutions
Page 48
Filter Setting
Select the desired option for this Group:
• No filtering – Nothing is blocked, Internet access is not restricted.
• Block All Access – Everything is blocked, Internet access is not
available.
• Block selected items – Items selected on this screen are blocked.
You can block well known services by using the checkboxes, or
define your own filters.
Block Well-known
ports
Select the services you wish to block. The current group will not be able
to use any services which are checked.
ICMP Filters
IF you enable ICMP Filters function that mean it will block ICMP
packets from local host send to remote site.
User-defined Ports to
Block
This section is optional. It allows you to define your own filters if
required. For each filter, the following information is required.
• Name – Enter a meaningful name for this filter.
• TPC/UDP Packets – Select either TCP or UDP, depending on
which protocol is used by the service you wish to block.
• Port No. Range – Enter the range of port numbers used by the
service you wish to block. If only a single port is required, enter it in
both fields.