F-SECURE ANTI-VIRUS FOR MICROSOFT EXCHANGE 8.00 Administrator's Manual page 109

Max Levels in Nested Specify how many levels deep to scan in nested
Archives archives, if Scan Viruses Inside Archives is
enabled.
A nested archive is an archive that contains
another archive inside. If zero (0) is specified,
the maximum nesting level is not limited.
Specify the number of levels the product goes
through before the action selected in Action on
Max Nested Archives takes place. The default
setting is 3.
Action on Max Specify the action to take on nested archives
Nested Archives with nesting levels exceeding the upper level
specified in the Max Levels in Nested Archives
setting.
Pass Through - Nested archives are scanned up
to level specified in the Max Levels in Nested
Archives setting. Exceeding nesting levels are
not scanned, but the archive is not removed.
Drop Archive - Archives with exceeding nesting
levels are removed.
Action on Password Specify the action to take on archives which are
Protected Archives protected with passwords. These archives can
be opened only with a valid password, so the
product cannot scan their content.
Pass through - Leave the password protected
archive in the message.
Drop archive - Remove the password protected
archive from the message.
Detect Disallowed Specify whether files inside compressed archive
Files Inside Archives files are processed for disallowed content.
CHAPTER 5
Centrally Managed Administration
109