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KAPERSKY ANTI-VIRUS 5.1 - FOR MICROSOFT ISA SERVER, Руководство администратора

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Chapter 5.  

Troubleshooting 

 

Why does Kaspersky Anti-Virus

®

 cause a certain decrease of server 

performance, noticeably loading the CPU? 

Virus detection is a purely computational (mathematical) problem con-
nected with structural analysis, checksum calculation and mathematical 
data conversions. Therefore processor time is the main resource con-
sumed by the anti-virus software. Each new virus that is added to the 
anti-virus database increases the overall scanning time. That is a forced 
compensation for the security and safety of your data.  

Unlike other anti-virus products that speed up scanning by means of ex-
cluding from their databases less easily detectable or less frequent (in 
the geographic location of the anti-virus vendor) viruses and file formats 
that require complicated analysis (e.g. PDF), Kaspersky Labs believes 
that the purpose of its anti-virus is establishment of real, not imaginary, 
anti-virus security for its users, since you should never be semi-
protected. Besides, "partial protection" is even worse than no protection 
at all (because in the latter case users take personal precautions). 

Kaspersky Anti-Virus

®

 gives its users maximum protection. Of course, 

the Kaspersky Anti-Virus

®

 software package allows experienced users 

to accelerate anti-virus scanning to the detriment of overall security by 
disabling scanning of various file types, but we do not recommend this to 
users who want the best protection. 

 

Question: Why do I need the license key ? Will my copy of the anti-virus 
program work without it?

 

No, Kaspersky Anti-Virus

®

 does not work without a license key. 

If you are still deciding whether or not to purchase Kaspersky Anti-
Virus

®

, we can provide you with a temporary key file (trial key), which 

will only work for two weeks or a month. When this period expires, the 
key will be blocked.

 

 

Question: What happens when the product license expires?

 

Содержание ANTI-VIRUS 5.1 - FOR MICROSOFT ISA SERVER

Страница 1: ...KASPERSKY LABS Kaspersky Anti Virus 5 1 for Microsoft ISA Server Administrator s guide...

Страница 2: ...K A S P E R S K Y A N T I V I R U S 5 1 F O R M S I S A S E R V E R Administrator s Guide Kaspersky Labs Ltd http www kaspersky com Edition date July 2004...

Страница 3: ...RSKY ANTI VIRUS FOR ISA SERVER 19 4 1 Default values of scan settings 19 4 2 Managing scans 21 4 2 1 Configuring general settings of anti virus scanning 22 4 2 1 1 General settings 23 4 2 1 2 Settings...

Страница 4: ...ptions for the application 46 4 7 Managing license keys 48 4 7 1 Renewing your license 49 4 7 2 Removing a license key 50 CHAPTER 5 TROUBLESHOOTING 51 APPENDIX A GLOSSARY 54 APPENDIX B KASPERSKY LABS...

Страница 5: ...s and the anti virus kernel is installed into the system as a service The anti virus protection is managed through a special interface built into the ISA administration snap in for Microsoft Managemen...

Страница 6: ...ver operates in integration with Microsoft Internet Security and Acceleration Server 2000 with Service Pack 1 or higher installed under the following platforms Microsoft Windows 2003 Server Microsoft...

Страница 7: ...Guide and the license key The license key can also be sent to you by e mail after receiving your payment The License Agreement is a legal agreement between you and the manufacturer Kaspersky Labs Ltd...

Страница 8: ...information related to the operation and use of your operating system or various other technologies 1 4 Conventions In this book we use various conventions to emphasize different meaningful parts of t...

Страница 9: ...consider possible ISA Server modes and any special features of Kaspersky Anti Virus operation for each of these modes The documentation for ISA Server describes three possible modes Firewall Proxy Ca...

Страница 10: ...the ISA Server is running in the Firewall mode Kaspersky Anti Virus Web Filter is installed in disabled state since it is presupposed that all the clients use the ISA Server as a firewall without acce...

Страница 11: ...Typical Deployment scenarios 10 Figure 1 Processing of data streams by Kaspersky Anti Virus for MS ISA Server...

Страница 12: ...gs of these filters to receive the initial data streams and subsequently process them Before installing Kaspersky Anti Virus for ISA Server make sure that the standard HTTP Redirector Filter and FTP A...

Страница 13: ...A Server filters However these additional filters can affect the performance of the anti virus application if their settings prevent the initial data from entering the Kaspersky Anti Virus filters Mor...

Страница 14: ...tall only the administration console on the administrator s workstation If you want to install Kaspersky Anti Virus for ISA Server administration console on a computer make sure that ISA administratio...

Страница 15: ...ber of queued objects Folder for storing the anti virus database that is used to detect and disin fect viruses Folder for storing temporary files created by the program during its opera tion Number of...

Страница 16: ...ver must be restarted in order to load the anti virus filters included in the package You can restart the server from either the MS ISA Server console or the setup wizard window if you check the corre...

Страница 17: ...or if you want to install a component of Kaspersky Anti Virus To correctly install the anti virus application select Repair in the dialog box that appears on your screen Fig 6 In this case the setup w...

Страница 18: ...ation dialog box will appear Fig 3 To con tinue with setup follow the steps described for the first installation 3 2 3 Troubleshooting installation problems During installation of Kaspersky Anti Virus...

Страница 19: ...virus application is an array member The application cannot be installed on such a server because Kaspersky Anti Virus for ISA Server does not support this ISA Server mode Figure 9 Required Software n...

Страница 20: ...Default values of scan settings You can configure scan settings on the tabs of the Properties of Kaspersky Anti Virus for ISA Server dialog box The following are the default scan settings The HTTP ta...

Страница 21: ...r storing Kaspersky Anti Virus for ISA Server working data Folder for storing anti virus databases C Program Files Kaspersky Lab KAV for ISA bases Folder for scan queue C Program Files Kaspersky Lab K...

Страница 22: ...fault all application branches and possible manipulations with them are displayed as Taskpad view You can change the view to Advanced by selecting the corresponding item from the shortcut menu To open...

Страница 23: ...Kaspersky Anti Virus for MS ISA Server main window Figure 11 Shortcut menu 4 2 1 Configuring general settings of anti virus scanning The administrator may need to change general settings of anti virus...

Страница 24: ...tab Fig 12 you can make changes to the general settings of Kaspersky Anti Virus that affect the application performance Figure 12 The Anti Virus tab In the three fields located in the upper part of th...

Страница 25: ...aneously Enter the required number to the Number of anti virus kernels run simultaneously field You can select up to 32 anti virus kernels to be run simultaneously It is recommended that you run four...

Страница 26: ...scanning On the HTTP tab Fig 13 you can modify settings for scanning HTTP traffic and set restrictions for processing data transferred via the HTTP protocol Here you can also edit messages sent to th...

Страница 27: ...nnot exceed the value of the Maximum scan time for the first chunk of data sec field Set the percentage of data accumulated by Kaspersky Anti Virus for subsequent analysis and scanning in the Data not...

Страница 28: ...lt values button Figure 14 The FTP tab 4 2 2 Managing groups Each group includes local network clients each client can be a member of one or several groups The same policy can be applied to different...

Страница 29: ...ecify the subnet address and subnet mask To switch to the list of groups Select Manage groups in the Kaspersky Anti Virus main window The Manage groups of Kaspersky Anti Virus clients dialog box will...

Страница 30: ...e name and description of the new group Figure 16 Creating a new group 3 In the next dialog box Fig 17 click Add clients Figure 17 Adding clients to a new group 4 In the Clients dialog box Fig 18 eith...

Страница 31: ...ll in the Client name field and select one of the following options One IP address to add a client with a static IP address Subnet to add a client specified by a subnet mask Range of IP addresses to s...

Страница 32: ...perties dialog box On the General tab of this dialog box Fig 20 change the name and description of the group On the Clients tab Fig 21 you can add a client or delete an existing client from the group...

Страница 33: ...inistrators policy is assigned to the Administrators group no other policy can be assigned to this group To switch to the list of policies Select Manage policies in the Kaspersky Anti Virus main windo...

Страница 34: ...ure 24 Adding a group of clients 4 In the Add Trusted Servers to a Policy dialog box Fig 25 click Add a server to exclude incoming traffic from these servers from anti virus scanning In the Trusted Se...

Страница 35: ...dialog box click Add a object type to add a type of object to be excluded from anti virus scanning see section 4 2 3 2 on page 37 for more details Figure 26 Adding a mime type 6 After the list of tru...

Страница 36: ...e the list of groups assigned to this policy add a new group to the list of groups or delete a group from the list Figure 27 The General tab Figure 28 The Groups tab On the Servers tab Fig 29 and the...

Страница 37: ...nti virus protection This list only contains names of servers from which traffic cannot contain any malicious objects The larger the list of trusted servers the less Kaspersky Anti Virus intrudes into...

Страница 38: ...cts excluded from scans Reducing the types of object excluded from anti virus scans as well as the list of trusted servers in turn reduces the load on the resources of the ISA Server computer The list...

Страница 39: ...TP protocol from Kaspersky Labs update servers from a local or shared folder Updating of the anti virus database is managed from the Updating tab of the Properties of Kaspersky Anti Virus for ISA Serv...

Страница 40: ...in the corresponding field 4 In the Use HTTP proxy part enter the HTTP proxy parameters if such a proxy is used in your system Select Use local proxy of the ISA server to use a local proxy of the ISA...

Страница 41: ...A Server administrator By default the database is updated every day at 11 15 p m In the three fields shown below Fig 33 you can change the frequency and time of updating the anti virus database 4 3 2...

Страница 42: ...e client VIRUSNAME the name of the virus that infected a data stream If an internal system error occurs after the request is sent the client that requested the data receives the following HTML message...

Страница 43: ...When the file is being downloaded from the EICAR website the anti virus program will detect it label it as infected fail to disinfect it and apply the action defined by the administrator for handling...

Страница 44: ...be logged 1 Switch to the Add Counters dialog box Fig 35 and select Use local computer counters if ISA Server is managed from an ISA Server computer or Select counters from computer if ISA Server is...

Страница 45: ...files windir System32 PERFCxxx DAT windir system32 PERFHxxx DAT Read access to the following registry keys HKEY_LOCAL_MACHINE Software Microsoft WindowsNT CurrentVersion Perflib HKEY_LOCAL_MACHINE SY...

Страница 46: ...spersky Anti Virus Web Filter are saved in the WINDIR isavweb log file and those scanned by Kaspersky Anti Virus HTTP Application Filter in the WINDIR isavbr log file WINDIR is the full path to the di...

Страница 47: ...g notifications upon critical events 4 6 3 Configuring diagnostics options for the application Kaspersky Anti Virus allows you to diagnose program performance and record results in the following log f...

Страница 48: ...iagnostics options for Kaspersky Anti Virus All critical events related to Kaspersky Anti Virus performance are also saved to the Windows system log In the left pane of the tab you can select tasks su...

Страница 49: ...de you with a trial key valid for two weeks or a month After the trial period expires the key will be blocked and will not be able to scan data streams for viruses You cannot use a trial key more than...

Страница 50: ...viruses To renew your license you need to Contact the seller of your copy of the product and purchase a new Kaspersky Anti Virus license key or Purchase a license key at Kaspersky Labs Write a letter...

Страница 51: ...the previous key expires Thus you will be able to keep your server constantly protected from viruses To install a reserve key click Add and select the reserve key file key in the file selection dialo...

Страница 52: ...the purpose of its anti virus is establishment of real not imaginary anti virus security for its users since you should never be semi protected Besides partial protection is even worse than no protect...

Страница 53: ...start the services from the MS ISA Server console Question After updating the anti virus database Kaspersky Anti Virus does not scan traffic Why If updating of the anti virus database either automatic...

Страница 54: ...at Avoid sending HTML messages 3 At the beginning of the message specify the exact versions of the operating system and Kaspersky Anti Virus distribution package and provide the name of your license k...

Страница 55: ...fection At Kaspersky Labs the database is updated immediately after new viruses appear Therefore system administrators must regularly update the anti virus database C Client is a user of a corporate n...

Страница 56: ...current and even future threats Resistance to future attacks is the basic policy implemented in all Kaspersky Lab s products At all times the company s products remain at least one step ahead of many...

Страница 57: ...tection against viruses that attempt to penetrate computers via e mail messages The program provides automatic scanning and disinfection of all incoming POP3 and outgoing SMTP e mail messages and effi...

Страница 58: ...e In this stealthy mode the program works seamlessly to keep your computer protected while you are on the Web The program provides conventional transparency and accessibility of information Kaspersky...

Страница 59: ...ool for automated deployment and administration You are free to choose from any of these anti virus programs according to the operating systems and applications you use Kaspersky Corporate Suite This...

Страница 60: ...tors incoming e mail traffic streams for objects identified as spam Kaspersky Anti Spam acts as a barrier to unsolicited e mail The product is compatible with any mail system and can be installed on e...

Страница 61: ...ad to advise you on any matters related to our product by phone or via e mail Rest assured that all of your recommendations and suggestions will be thoroughly reviewed and considered Technical support...

Страница 62: ...FROM AN AUTHORISED KASPERSKY LABS DISTRIBUTOR OR RESELLER THE RIGHT TO RETURN AND REFUND EXTENDS ONLY TO THE ORIGI NAL PURCHASER All references to Software herein shall be deemed to include the softwa...

Страница 63: ...not intend to make such information available for any reason including without limitation costs you shall be permitted to take such steps to achieve interoperability provided that you only reverse eng...

Страница 64: ...requirements described herein Upon any termination or expiration of this Agreement you must immediately destroy all copies of the Software and the Documentation You may terminate this Agreement at an...

Страница 65: ...nts that for 90 days from first download or installation the Software will perform substantially in accordance with the functionality described in the Documentation when operated properly and in the m...

Страница 66: ...o paragraph i the Supplier shall have no liability whether in contract tort restitution or otherwise for any of the following losses or damage whether such losses or damage were foreseen foreseeable k...

Страница 67: ...esaid shall cease to have effect as from the Effective Date Save as provided in paragraphs ii iii you shall not have any remedy in respect of an untrue statement made to you upon which you relied in e...

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