Rules; Firewall Rules - NetModule NB3000-Line-Hd User Manual

5.5.3. Rules

In general, the rewall is set up of a range of rules which control each packet's permission
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 con gured will be ALLOWED.
Parameter
Description
Action
log matches
Source
Destination
Incoming interface
NB3000-Line-Hd User Manual 4.2
Figure 5.25.: Firewall Rules
Firewall Rule Con guration
A meaningful description about the purpose of this rule
Speci es whether the packets of this rule should be allowed or
denied
Throw a syslog message if rule matches
The source address of matching packets, can be any or speci-
ed by address/network. Selecting on source MAC addreses is
possible as well.
The destination address of matching packets, can be any, local
(addressed to the system itself) or speci ed by address/net-
work
The interface on which matching packets are received
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