McAfee UTILITIES 4.0 Guía de usuario Pagina 51

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Host Intrusion Prevention also supports a type of rule group that does affect how rules are
handled. These groups are called
connection
-
aware
groups. Rules within connection-aware
groups are processed only when certain criteria are met.
Connection-aware groups let you manage rules that apply only when you connect to a network
using a wired connection, a wireless connection, or a non-specific connection with particular
parameters. In addition, these groups are network adapter-aware, so that computers with
multiple network interfaces can have rules apply that are adapter- specific. Parameters for
allowed connections can include any or all of the following for each network adapter:
IP address
DNS suffix
Gateway IP
DHCP IP
DNS server queried to resolve URLs
WINS server used
If two connection-aware groups apply to a connection, Host Intrusion Prevention uses normal
precedence and processes the first applicable connection-aware group in its rule list. If no rule
in the first connection-aware group matches, rule processing continues and may match a rule
in the next group.
When Host Intrusion Prevention matches a connection-aware group’s parameters to an active
connection, it applies the rules within the connection group. It treats the rules as a small rule
set and uses normal precedence. If some rules do not match the intercepted traffic, the firewall
ignores them.
A connection is allowed when
all
of the following conditions apply to a network adapter:
If Connection type is LAN.
or
If Connection type is Wireless.
or
If Connection type is Any and the DNS suffix list or the IP Address List is populated.
If IP Address List is selected, the IP address of the adapter must match one of the list
entries.
If DNS Suffix is selected, the DNS suffix of the adapter must match one of the list entries.
If Default Gateway is selected, the default adapter Gateway IP must match at least one
of the list entries.
If DHCP Server is selected, the adapter DHCP server IP must match at least one of the list
entries.
If DNS Server List is selected, the adapter DNS server IP address must match any of the
list entries.
If Primary WINS Server is selected, the adapter primary WINS server IP address must
match at least one of the list entries.
If Secondary WINS Server is selected, the adapter secondary WINS server IP address
must match at least one of the list entries.
Configuring Firewall Policies
Overview of Firewall policies
51McAfee Host Intrusion Prevention 7.0 Product Guide for use with ePolicy Orchestrator 4.0
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