NetModule NB3711, User Manual

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NB3711 User Manual 4.0
5.5.3. Rules
In general, the firewall is set up of a range of rules which control each packet’s permis-
sion to pass the router. Please note that the rules are processed by order, that means
traversing the list from top to bottom until a matching rule is found. Packets which are
not matching any of the rules configured will be ALLOWED.
Figure 5.25.: Firewall Rules
Parameter Firewall Rule Configuration
Description A meaningful description about the purpose of this rule
Action Specifies whether the packets of this rule should be allowed
or denied
log matches Throw a syslog message if rule matches
Source The source address of matching packets, can be any or speci-
fied by address/network. Selecting on source MAC addreses
is possible as well.
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