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Version 5.2
Sourcefire 3D System Installation Guide
104
Setting Up a Sourcefire 3D System Appliance
Initial Setup Page: Defense Centers
Chapter 4
Time Settings
You can set the time for a Defense Center either manually or via network time
protocol (NTP) from an NTP server.
You can also specify the time zone used on the local web interface for the
admin
account. Click the current time zone to change it using a pop-up window.
Recurring Rule Update Imports
L
ICENSE
:
Protection
As new vulnerabilities become known, the Sourcefire Vulnerability Research
Team (VRT) releases intrusion rule updates. Rule updates provide new and
updated intrusion rules and preprocessor rules, modified states for existing rules,
and modified default intrusion policy settings. Rule updates may also delete rules
and provide new rule categories and system variables.
If you plan to perform intrusion detection and prevention in your deployment,
Sourcefire recommends that you
Enable Recurring Rule Update Imports
.
You can specify the
Import Frequency
, as well as configure the system to perform
an intrusion
Policy Reapply
after each rule update. To perform a rule update as part
of the initial configuration process, select
Install Now
.
IMPORTANT!
Rule updates may contain new binaries. Make sure your process
for downloading and installing rule updates complies with your security policies.
In addition, rule updates may be large, so make sure to import rules during
periods of low network use.