Funkwerk WI2040n Bedienungsanleitung PDF herunterladen (Seite 320)

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17.1.1 Filter Rules

The default behavior with Action =  consists of two implicit filter rules: If an incom-

ing packet can be assigned to an existing connection and if a suitable connection is expec-

ted (e.g. such as an affiliated connection of an existing connection), the packet is allowed.

The sequence of filter rules in the list is relevant: The filter rules are applied to each packet

in succession until a rule matches. If overlapping occurs, i.e. more than one filter rule

matches a packet, only the first rule is executed. This means that if the first rule denies a

packet, whereas a later rule allows it, the packet is rejected. A deny rule also has no effect

if a relevant packet has previously been allowed by another filter rule.

In the Firewall -> Policies -> Filter Rules menu, a list of all configured filter rules is

shown.

Fig. 124: Firewall -> Policies -> Filter Rules

You can use the button to insert another policy above the list entry. The configuration

menu for creating a new policy opens.

You can use the button to move the list entry. A dialog box opens, in which you can se-

lect the position to which the policy is to be moved.

Moreover, the overview provides the option to show the firewall rules of the underlying set-

tings made in the System Management -> Administrative Access -> Access menu. To

do this, enable the Show administrative access rules option.

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