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Chapter 4 Micro-Updates
Advanced micro-update configurations 21
When a valid set of data files is downloaded from the micro-updates service, they
are saved to the <micro-update cache path>/micro_updates/ directory with
version numbers in the filenames. New files are loaded from disk at startup.
! Delta micro-updates files are read into memory and are not kept on disk.
Data file integrity and security
The micro-update files containing data are compressed and encrypted. Data that
is not encrypted with the correct key will be ignored. As a result, DNS or IP
spoofing is not a concern. The contents of the data files are read into memory at
startup, as well as each time a new file is downloaded.
Advanced micro-update configurations
Cloudmark provides flexible options for complex customer deployments. If your
organization has constraints that restrict you from enabling automatic micro-
updates downloads from the Cloudmark micro-updates service, the following
advanced configurations may allow you to use micro-updates within the
constraints of your organization.
Using an HTTP proxy
If your organization has constraints that prohibit the Cloudmark software from
accessing the Internet directly, you may enable an HTTP proxy to direct all traffic
through the proxy server.
For configuration information, see “Using HTTP proxies” on page 19.