Packet Filter - Multitech MultiModem rCell User Manual

Chapter 4 – Using the Web Management Software
P acket Filters > Packet Filters
8 9 B
You can Delete or Edit a packet filter rule after it has been defined and added by using the table at the bottom of the screen.

Packet Filter

From (Host/Networks):
Service:
To (Host/Networks):
Action:
Add Button:
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Enter the network/host from which the packet must originate for the filter rule to match. The
Any option, which matches all IP addresses regardless of whether they are officially assigned
addresses or private addresses, may also be entered. The network/host must be pre-defined in the
Networks section.
Enter the service that is to be matched with the filter rule. These services must be pre-defined in
the Services section. These services precisely define the traffic to be filtered.
Enter the network/host to which the packet must send for the filter rule to match. The Any option,
which matches all IP addresses regardless of whether they are officially assigned addresses or
private addresses, may also be entered. The network/host must be pre-defined in the Networks
section.
Enter the action that the packet filter executes if the rule matches any traffic traversing the firewall.
Types of actions defined are:
Accept: Allows/accepts all packets that match this rule.
Reject: Blocks all packets that match this rule. The host sending the packet will be informed that
the packet has been rejected.
Drop: Blocks all packets that match this rule, but the host is not informed; i.e., this is a silent drop.
Log: Packets matching the rule; i.e., the corresponding source address, destination address, and
service will be logged.
Click the Add button. The defined packet filter rule is added and will display at the bottom of the
screen.
Multi-Tech Systems, Inc. MultiModem rCell User Guide