Course 2824B: Implementing Microsoft internet security and acceleration server 2004 - Module 3

Module 3: Enabling access to internet resources. This module explains how to provide access to Internet resources for internal corporate clients while maintaining network security. The module discusses different ways to implement this and also how to configure rules for access.
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Course 2824B: Implementing Microsoft internet security and acceleration server 2004 - Module 3Module 3: EnablingAccess to Internet ResourcesOverview ISA Server 2004 as a Proxy Server Configuring Multi-Networking on ISA Server Configuring Access Rule Elements Configuring Access Rules for Internet AccessLesson: ISA Server 2004 as a ProxyServer How ISA Server Enables Secure Access to Internet Resources Why Use a Proxy Server? How Does a Forward Web Proxy Server Work? What Is a Reverse Web Proxy Server? How to Configure ISA Server as a Proxy Server DNS Configuration for Internet Access How to Configure Web Chaining How to Configure Dial-Up ConnectionsHow ISA Server Enables Secure Access toInternet Resources Is the … User allowed access? Computer allowed access? Protocol allowed? Destination allowed? Content allowed? ISA Serve r Web Serve r Proxy ServerWhy Use a Proxy Server? ISA Server Web Server Improved Internet access security: User authentication Filtering client requests Content inspection Logging user access Hiding the internal network details Improved Internet access performanceHow Does a Forward Web ProxyServer Work? Is the … User allowed access? 3 Protocol allowed? 6 Destination allowed? 5 1 2 4 ISA Web Server ServerWhat Is a Reverse Web Proxy Server? Is the … Request Web allowed? Server Protocol 3 allowed? DNS Server 4 Destination allowed? 5 2 1 ISA 6 ServerHow to Configure ISA Server as aProxy ServerDNS Configuration for InternetAccess If no internal DNS server is available to resolve Internet addresses, configure the ISA Server clients to use an Internet DNS server Configure ISA Server clients to use an internal DNS server if the DNS server can resolve Internet addresses ISA Server can proxy DNS requests for Web proxy and Firewall clients but not for SecureNAT clients ISA Server includes a DNS cache that caches the results of all DNS lookups performed through ISA Server How to Configure Web Chaining Intern etBranch Office Branch Office Head OfficeHow to Configure Dial-UpConnections Enable dial- up for connections to this network Use this dial- up connection Logon using this accountPractice: Configuring ISA Server as a WebProxy Server Configuring the proxy server settings on ISA Server Den-ISA-01 Internet Den-DC-01Lesson: Configuring Multi-Networking onISA Server How Does ISA Server 2004 Support Multiple Networks? Default Networks Enabled in ISA Server About Network Objects How to Create and Modify Network Objects What Are Network Rules?How Does ISA Server 2004 SupportMultiple Networks? Support any Number of Internet Networks VPN Networks Represented VPN as Networks Dynamic Network Membership Perimeter1 Per Network Rules Per Network Policies LAN1 Network Sets LAN2 Perimeter2Default Networks Enabled in ISAServer Default Includes Network Local Host The ISA Server All IP addresses not Default External associated with another network All IP addresses specified as Internal internal during installation All IP addresses for currently VPN Clients connected VPN clie ...