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PC World Komputer 2003 February
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avast! Home Edition 3.0.510
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AUPD.TXT
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2002-11-04
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Avast update
%%%%%%%%%%%%
%%%%%%%%%%%%
In Jul2000 version the differencial update through the internet (iAVS)
have been updated. Together with this change, you can add the
differencial update of virus database into the mechanism of automatic
update (using the tmd files).
this text describes the changes, which taked place in the automatic
update mechanisms. It describes only the automatic update, and that means that
automatic update is not affilated with iAVS in any way.
This document is especially for network administrators. If you are a
normal user with internet connection, you will update using the iAVS
system, or through CD update.
Philosophy of VPS files update
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
Version of VPS file in Avast32 program is identified using the fileversion
(number showing file version in dfile properties) of Avast32.vps file. Version
number has this format: 3.7.70.XXYY. If YY=00, it is the main VPS. Main VPS is
created once a month, and if changes have been performed the YY number will be
higher by one then the previous version. Every main VPS has the XX number higher
by one than the VPS from the previous month. Examples:
3.7.70.4000
3.7.70.4001
3.7.70.4002
After the creation of the new main VPS, ALWIL Software creates files
(example is for VPS 3.7.70.4000 version):
Avast32.vps -- Last VPS file used by Avast.
vps30.tmd,vps30.tm -- files for automatic VPS update for Jun2000 version and older.
vps31.vpu,vps31.tm -- files for automatic VPS update for Jun2000 version and newer.
Whole VPS.
vps32.vpu,vps32.tm -- files for automatic VPS update for Jun2000 version and newer,
using the differencial file for the previous main VPS.
4000.vpu -- file for iAVS
4000_3900.vpu -- file for iAVS
While creating the VPS 3.7.70.4002 version ALWIL Software creates these files:
Avast32.vps -- last VPS file for direct use with Avast.
vps30.tmd,vps30.tm -- files for automatic update of the VPS for the Jun2000
version and older.
vps32.vpu,vps32.tm -- files for automatic VPS update for Jul2000 and newer.
differencial files according to previous main VPS (3.7.70.4000).
4002_4000.vpu -- iAVS file
Avast32 leaves the last copy of main VPS in Avast32.vpo file.
Filesize: Files Avast32.vps and vps30.tmd have size approximately 1.3MB.
File vps31.vpu and xx00.vpu has about 600 KB. Differencial files vps32.vpu
and XXYY_XXYY.vpu have tens of kB
Automatic Update
%%%%%%%%%%%%%%%%
%%%%%%%%%%%%%%%%
In this text is described just part of the updeate of the files
(file/avs/minisp). Data update (security/licence) is without changes
and there are no referneces of it in text below.
Till now (up to Jun2000 version, included), the automatic update allowed
to set the addresses and the names of the files for the file, avs and
minisp alone. From Jul2000 version, the update files for file,avs and
minisp are taken from one directory -- it is the directory, which was used
by the previous versions for file update (FileUpdate, sp32.tmd). Filenames
cannot be changed.
For program update the sp32.tmd/sp32.tm file is used, for virus database
update (AVS) the vps31.vpu/vps31.tm and vps32.vpu/vps32.tm files are used.
For minisp update it is minisp.tmd/minisp.tm file. It is because of
preparation for situation, when in one direcotry will be some number of
files which will be installed.
What should administrator do
%%%%%%%%%%%%%%%%%%%%%%%%%%%%
We suggest these settings:
Addresses for:
file update (sp32.tmd): file://f:\tmd\files\sp32.tmd
AVS update (vps30.tmd): file://f:\tmd\avs\vps30.tmd
minisp update (minisp.tmd): file://f:\tmd\mini\minisp.tmd
After the release of new version, administrator will download these files:
sp32.tmd, sp32.tm -- program update
vps30.tmd, vps30.tm -- whole VPS for old versions
vps31.vpu, vps31.tm -- whole VPS for new versions
vps32.vpu, vps32.tm -- difference for new versions
Vps30.* files places into the f:\tmd\avs\ directory. Other files into
f:\tmd\files\ directory. If the new vps file is released during the month,
administrator will download vps30.tmd, vps30.tm and vps32.vpu, vps30.tm files.
Files vps30.tmd,vps30.tm will be placed into the f:\tmd\avs\ directory,
files vps32.vpu,vps32.tm into the vps32.vpu,vps32.tm directory.
How the update is proceeding (situations):
Administrator downloaded: vps30.tmd, vps30.tm, vps31.vpu, vps31.tm,
vps32.vpu, vps32.tm for new VPS version 3.7.70.4300 and places them
in the specified directories.
Computer with Avast version Jun2000 or older:
Will update VPS using the vps30.tmd, vps30.tm files.
Computer with Avast version Jul2000 or newer with VPS file with version
different then 3.3.70.4200:
Update will be done by files vps31.vpu, vps31.tm.
Computer with Avast version Jul2000 or newer with VPS file version 3.7.70.4200:
Will be updated by vps32.vpu, vps32.tm files.
Administrator downloade files: vps30.tmd, vps30.tm, vps32.vpu, vps32.tm for new
VPS version 3.7.70.4301 and saved into the specific directories.
Computer with Avast version Jun2000 or older:
Will update VPS by using vps30.tmd, vps30.tm files.
Computer with Avast version Jul2000 or newer with VPS file with version
different then 3.7.70.4300:
Will start the update with vps31.vpu, vps31.tm files on version 3.7.70.4300
and then using the vps32.vpu, vps32.tm on version 3.7.70.4301.
Computer with Avast version Jul2000 or newer with VPS file version 3.7.70.4300:
Will update using the vps32.vpu, vps32.tm files.
Program Update
%%%%%%%%%%%%%%
No changes. It is done by files sp32.tmd and sp32.tm.
Minisp update
%%%%%%%%%%%%%
No misisp for versions older then Jul2000 will not be released. If some minisp
will be created for versions Jul2000 or newer, it will be updated from the
update files directory ( the same directory, where sp32.tmd is copied)
iAVS configuration files update
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
If you use automatic update, you will probably want to disable the iAVS for
users. This can be done by changing the syncer.ini and servers.def files.
Edit sincer.ini, and into the [syncer] section:
HideInAvast=1
This will hide the button for automatic update in Avast. Next, change the
file servers.def like this:
[servers]
count=0
for both these files create time stamp (.tm file) like this:
tmcr.exe syncer.ini
tmcr.exe servers.def
Files and time stamps save into the directory for file update.