In addition, it gives the option of logging traffic
associated with the rule (the default) or not.
. Protocols tab??”The Protocols tab is important in the rule definition. It defines what
type of traffic is allowed or denied by the rule. The rule can be configured to apply
FIGURE 5.10 Modifying firewall policy rules.
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5
Understanding Firewall Policy Rules
to all outbound traffic, selected protocols, or all outbound traffic except for the types
selected. Default protocol definitions that come with ISA Server can be used, as well
as any custom protocol definitions that are created. In addition, this tab is where the
port filtering and Application-layer filtering options are accessed, via the Filtering
and Ports buttons.
. From tab??”The From tab simply defines from which network or networks the originating
traffic to which the rule applies will come.
. To tab??”The To tab reverses this, and makes it possible to define for what destination
network or networks the particular traffic is aimed.
. Users tab??”The Users tab, normally set to All Users by default, is used only when the
full ISA Firewall client is deployed on client desktops.
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