Microsoft Internet Security and Acceleration (ISA) Server 2004 is
the advanced stateful packet and application-layer inspection firewall,
virtual private network (VPN), and Web cache solution that enables
enterprise customers to easily maximize existing information technology
(IT) investments by improving network security and performance.
ISA Server 2004 provides advanced protection, ease of use, and fast,
secure access for all types of networks. ISA Server is particularly well
suited for protecting large enterprise network configurations requiring
multiple firewall arrays in disparate locations that are running
Microsoft client and server applications, such as Microsoft Office,
Office Outlook Web Access 2003, Office SharePoint Portal Server 2003,
Internet Information Services (IIS), Routing and Remote Access, Active
Directory directory service, and many other Microsoft applications,
servers, and services.
ISA Server contains a full featured, application-layer aware firewall
that helps protect organizations of all sizes from attack by both
external and internal threats. ISA Server performs deep inspection of
Internet protocols such as Hypertext Transfer Protocol (HTTP), which
enables it to detect many threats that traditional firewalls cannot
detect. The integrated firewall and VPN architecture of ISA Server
support stateful filtering and inspection of all VPN traffic. The
firewall also provides VPN client inspection for Microsoft Windows
Server 2003-based quarantine solutions, helping to protect networks from
attacks that enter through a VPN connection. In addition, a completely
new user interface, wizards, templates, and a host of management tools
help administrators avoid common security configuration errors.
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