Firewall-rules |
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At the module Firewall the filter rules of the packet filter are defined. This is the core feature of a firewall. You must define which packets may pass the firewall, which should be blocked or logged. To specify which packets you mean the rules define some filters to select the specific packets. A firewall rule (policy) is created for an incoming and an outgoing interface (Track).
NOTE: The firewall is blocking all traffic by default. Only the web interface and the secure shell can be reached at each interface. Therefore, if the firewall is not configured, it is no security leak, but blocks all traffic - also from internal interface to external.
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