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SPEED.TXT
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1998-04-23
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Scanning speed
Users of F-PROT 2.x will probably notice that version 3.0 is in many cases
slower than the old scanner.
We are working on improvements that should speed the scanner up, but for
now, we suggest that you consider the following tips:
* Scanning of compressed executables (/PACKED) should not be enabled by
default when you are doing a routine scan. We recommend that it is only
used when scanning new software before installation, and when cleaning
up a virus infection.
* The same applies to scanning inside ZIP/ARJ archives (/ARCHIVE). Viruses
will not "creep" inside them, so if they are scanned initially and found
to be virus-free, there is no point in scanning them over and over.
* If all your Word/Excel files have the standard DOC/DOT and XL? file
name extensions, you should just use "Standard file extensions",
instead of "Ignore document extensions" (/TYPE). This will speed up
the scan, as the scanner now does not have to check every file to see
if it is a Word/Excel file.
* Doing a "Dumb" scan of all files forces the scanner to scan every data
file as if it was a program, which is usually just a waste of time. The
primary reason this option is provided is that certain anti-virus
testers have renamed the COM/EXE files in their virus collections to
something like VOM/VXE, and if we do not provide a way to scan "all"
files, we will get an artificially low score in their tests. We do not
like this, but we are forced to offer this option. However, using it
is generally a "dumb" thing to do.