User manual AVG ANTI-VIRUS PLUS FIREWALL 8.5

[. . . ] AVG 8. 5 Anti-Virus plus Firewall User Manual Document revision 85. 3 (6. 3. 2009) Copyright AVG Technologies CZ, s. r. o. All other trademarks are the property of their respective owners. This product uses RSA Data Security, Inc. MD5 Message-Digest Algorithm, Copyright (C) 1991-2, RSA Data Security, Inc. [. . . ] Web Shield Interface The Web Shield component's interface describes the behavior of this type of protection. Further you can find information on the component's current status (Web Shield is active and fully functional. ). In the bottom part of the dialog you will then AVG 8. 5 Anti-Virus plus Firewall © 2008 Copyright AVG Technologies CZ, s. r. o. All rights reserved. 64 find the elementary editing options of this component's functionality. Basic component configuration First of all, you have the option to immediately switch on/off the Web Shield by checking the Enable Web Shield item. This option is enabled by default, and the Web Shield component is active. However, if you do not have a good reason to change this settings, we recommend to keep the component active. If the item is checked, and t he Web Shield is running, more configuration options are available and editable on two tabs: Web - you can edit the component's configuration regarding the scan of the website content. The editing interface allows you to configure the following elementary options: o Web protection - this option confirms that the Web Shield should perform scanning of the www pages content. Provided this option is on ( by default), you can further switch on/off these items: Check archives - scan the content of archives possibly included in the www page to be displayed Scan Potentially Unwanted Programs - scan potentially unwanted AVG 8. 5 Anti-Virus plus Firewall © 2008 Copyright AVG Technologies CZ, s. r. o. All rights reserved. 65 programs (executable programs that can operate as spyware or adware) included in the www page to be displayed Use heuristic analysis - scan the content of the page to be displayed using the heuristic analysis method (dynamic emulation of the scanned object's instructions in a virtual computer environment see chapter Anti-Virus Principles) Maximum file size to be scanned - if included files are present in the displayed page you can also scan their content even before these are downloaded to your computer. However, scanning of large files takes quite some time and the web page download might be slowed significantly. You can use the slide bar to specify the maximum size of a file that is still to be scanned with Web Shield. Even if the downloaded file is bigger than specified, and therefore will not be scanned with Web Shield, you are still protected: in case the file is infected, the Resident Shield will detect it immediately. Instant Messaging - allows you to edit the components settings referring to instant messaging (e. g. ICQ, MSN Messenger, Yahoo . . . ) scanning. o Instant Messaging protection - check this item if you wish that the Web Shield verifies the on-line communication is virus free. Provided this option is on, you can further specify which instant messaging application AVG 8. 5 Anti-Virus plus Firewall © 2008 Copyright AVG Technologies CZ, s. r. o. All rights reserved. 66 you want to control - currently AVG 8. 5 Anti-Virus plus Firewall supports the ICQ, MSN, and Yahoo applications. Please note: The software vendor has set up all AVG components to give optimum performance. Unless you have a real reason to do so, do not change the AVG configuration. Any changes to settings should only be performed by an experienced user. If you need to change AVG configuration, select the system menu item Tools / Advanced settings and edit the AVG configuration in the newly opened AVG Advanced Settings dialog. Control buttons The control buttons available within the Web Shield interface are as follows: Save changes - press this button to save and apply any changes made in this dialog Cancel - press this button to return to the default AVG user interface ( components overview) 10. 8. 3. Web Shield Detection Web Shield scans the content of visited web pages and possible files included in them even before these are displayed in your web browser or downloaded to your computer. [. . . ] AVG Updates 14. 1. Update Levels AVG offers two update levels to select from: Definitions update contains changes necessary for reliable anti-virus, anti-spam and anti-malware protection. Typically, it does not include any changes to the code and updates only the definition database. This update should be applied as soon as it is available. Program update contains various program changes, fixes and improvements. [. . . ]