Kaspersky Anti-Virus 5.6 for Microsoft ISA Server 2004/2006 Standard Edition MP 1 (version 5.6.1281.0) ------------------------------------------------------------------------------ DESCRIPTION Kaspersky Anti-Virus 5.6 for Microsoft ISA Server 2004/2006 Standard Edition (hereafter referred to as Kaspersky Anti-Virus) provides anti-virus scanning of objects transferred using the HTTP and FTP protocols via Microsoft ISA Server. ------------------------------------------------------------------------------ WHAT'S NEW Maintenance Pack 1 adds the following functionality to Kaspersky Anti-Virus 5.6 for Microsoft ISA Server 2004/2006 Standard Edition: - RFC 775 support for FTP; - support for partial content download over FTP; - recognition of various media formats to be excluded from anti-virus scan (streaming content from popular resources such as YouTube); - increase in object transfer rate after anti-virus scan completion; - wildcards are now allowed in domain names within definition of policy to exclude certain websites from anti-virus scan. A domain name template in the policy definition must look like *., where the wildcard '*' may conceal any number of lower-level domains (in relation to ). An example of valid template: - *.microsoft.com - the following names conform to this template: microsoft.com, www.microsoft.com, files.download.microsoft.com etc. Restrictions: - protocol prefixes are not allowed (templates of the following form are invalid and are ignored: 'http://*.microsoft.com', *://*.microsoft.com'); - concealment of the part of domain name of any level is not allowed (templates of the form '*soft.com' are invalid and are ignored); - the wildcard '*' cannot be used in the template more than once (templates of the form '*.c.*.microsoft.com' are invalid and are ignored). ------------------------------------------------------------------------------ FIXED: - memory leak in applying the policies of exclusion from anti-virus scan; - memory leak in caching anti-virus scan statuses; - spontaneous switch of the application to the "Administration only" mode with the valid license key installed; - HTTP-header parsing error which could result in blocking access to some websites; - an error in complex object transfer via HTTP which could result in inability to download objects with large anti-virus scan time; - an error in FTP-filter which could result in inability to download objects with large anti-virus scan time; - incorrect connection closure in FTP-filter. This error manifested itself as inability to upload files to FTP-server if other FTP-related filters were installed on the Microsoft ISA Server; - inability to install Kaspersky Anti-Virus for Microsoft ISA Server on the computer with Microsoft Windows Installer 2.0; - an error which could prevent Kaspersky Anti-Virus service from stopping until database update is completed. ------------------------------------------------------------------------------ INSTALLATION Minimum software and hardware requirements: - Intel Pentium III 550 MHz or higher; - 512 MB RAM; - 50 MB hard disk space for program installation; - 200 MB hard disk space for temporary storage of data; - Microsoft Windows 2003 Server operating system; - Microsoft ISA Server 2004/2006 Standard Edition. Local administrative rights are required to install Kaspersky Anti-Virus. ------------------------------------------------------------------------------ UPGRADE OF PREVIOUS VERSIONS OF KASPERSKY ANTI-VIRUS This Maintenance Pack 1 can only be used to upgrade Kaspersky Anti-Virus 5.6 build 1181 for Microsoft Server 2004/2006 Standard Edition. In case you have any other version of Kaspersky Anti-Virus 5.6 for Microsoft Server 2004/2006 Standard Edition installed, please uninstall your current version first.