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I.
Configuration page
Figure 4-24 IP filter configuration
II.
Parameter explanation
Security Level: This setting determines which IP Filter
rules take effect, based on the security level specified in
each rule. For example, when High is selected, only those
rules that are assigned a security value of High will be in
effect. The same is true for the Medium and Low settings.
When None is selected, IP Filtering is disabled.
Private/Public Default Action: This setting specifies a
default action to be taken (Accept or Deny) on private or
public-type device interfaces when they receive packets
that do not match any of the filtering rules. You can specify
a different default action for each interface type. (You
specify an interface's type when you create the interface;
see 4.3.3 PPP Configuration, for example.)
A public interface typically connects to the Internet. PPP and
IPoA interfaces are typically public. Packets received on a public
interface are subject to the most restrictive set of firewall protections
defined in the software. Typically, the global setting for public
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