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Internal Network

Internal Network. External Network. Internal Network. External Network. WS. Hub. WS. Internal Network. External Network. WS. S1. Hub. WS. Internal Network. External Network. WS. S1. Hub. WS. ISA Server. Internal Network. External Network. WS. S1. Hub.

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Internal Network

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  1. Internal Network External Network

  2. Internal Network External Network WS Hub WS

  3. Internal Network External Network WS S1 Hub WS

  4. Internal Network External Network WS S1 Hub WS ISA Server

  5. Internal Network External Network WS S1 Hub AD, DNS, DHCP and Exchange 192.168.50.25 to 192.168.50.100 WS ISA Server

  6. Internal Network External Network WS IP Address Issued by DHCP 192.168.50.? S1 Static IP Address 192.168.50.26 Hub AD, DNS, DHCP and Exchange 192.168.50.25 to 192.168.50.100 WS ISA Server 192.168.50.? IP Address Issued by DHCP

  7. Internal Network External Network WS IP Address Issued by DHCP 192.168.50.? S1 Static IP Address Static IP Address 192.168.50.26 Hub AD, DNS, DHCP and Exchange 192.168.50.25 to 192.168.50.100 192.168.50.10 WS ISA Server 192.168.50.? IP Address Issued by DHCP

  8. Internal Network External Network WS IP Address Issued by DHCP 192.168.50.? S1 Static IP Address Static IP Address 192.168.50.26 Switch Hub AD, DNS, DHCP and Exchange 192.168.50.25 to 192.168.50.100 Automatically Obtained IP Address 10.10.10.? 192.168.50.10 192.168.50.10 WS ISA Server 192.168.50.? IP Address Issued by DHCP

  9. Internal Network External Network WS IP Address Issued by DHCP 192.168.50.? Nefpx3 - 80 Proxy Server 10.10.10.21 : 80 S1 Static IP Address Static IP Address Switch 192.168.50.26 Hub AD, DNS, DHCP and Exchange 192.168.50.25 to 192.168.50.100 Automatically Obtained IP Address 10.10.10.? 192.168.50.10 WS ISA Server 192.168.50.? IP Address Issued by DHCP

  10. Internal Network External Network WS IP Address Issued by DHCP 192.168.50.? Hipxy Proxy Nefpx3 - 80 Proxy Server 10.10.10.21 : 80 S1 Static IP Address Static IP Address Switch 192.168.50.26 Hub AD, DNS, DHCP and Exchange 192.168.50.25 to 192.168.50.100 Automatically Obtained IP Address 10.10.10.? 192.168.50.10 WS ISA Server 192.168.50.? IP Address Issued by DHCP

  11. Internal Network External Network WS IP Address Issued by DHCP Internet 192.168.50.? Hipxy Proxy Nefpx3 - 80 Proxy Server 10.10.10.21 : 80 S1 Static IP Address Static IP Address Switch 192.168.50.26 Hub AD, DNS, DHCP and Exchange 192.168.50.25 to 192.168.50.100 Automatically Obtained IP Address 10.10.10.? 192.168.50.10 WS ISA Server 192.168.50.? IP Address Issued by DHCP

  12. Internal Network External Network WS IP Address Issued by DHCP Internet 192.168.50.? Hipxy Proxy IE Looks at 192.168.50.10 : 8080 Nefpx3 - 80 Proxy Server 10.10.10.21 : 80 S1 Static IP Address Static IP Address Switch 192.168.50.26 Hub AD, DNS, DHCP and Exchange 192.168.50.25 to 192.168.50.100 Automatically Obtained IP Address 10.10.10.? 192.168.50.10 WS ISA Server 192.168.50.? IP Address Issued by DHCP

  13. Internal Network External Network WS IP Address Issued by DHCP Internet 192.168.50.? Hipxy Proxy IE Looks at 192.168.50.10 : 8080 Nefpx3 - 80 Proxy Server 10.10.10.21 : 80 S1 Static IP Address Static IP Address Switch 192.168.50.26 Hub AD, DNS, DHCP and Exchange 192.168.50.25 to 192.168.50.100 Automatically Obtained IP Address 10.10.10.? 192.168.50.10 WS ISA Server 192.168.50.? IP Address Issued by DHCP

  14. Internal Network External Network WS IP Address Issued by DHCP Internet 192.168.50.? Hipxy Proxy IE Looks at 192.168.50.10 : 8080 Nefpx3 - 80 Proxy Server 10.10.10.21 : 80 S1 Static IP Address Static IP Address Switch 192.168.50.26 Hub AD, DNS, DHCP and Exchange 192.168.50.25 to 192.168.50.100 Automatically Obtained IP Address 10.10.10.? 192.168.50.10 WS ISA Server 192.168.50.? IP Address Issued by DHCP

  15. Internal Network External Network WS IP Address Issued by DHCP Internet 192.168.50.? Hipxy Proxy IE Looks at 192.168.50.10 : 8080 Nefpx3 - 80 Proxy Server 10.10.10.21 : 80 S1 Static IP Address Static IP Address Switch 192.168.50.26 Hub AD, DNS, DHCP and Exchange 192.168.50.25 to 192.168.50.100 Automatically Obtained IP Address 10.10.10.? 192.168.50.10 WS ISA Server 192.168.50.? IP Address Issued by DHCP

  16. Internal Network External Network WS IP Address Issued by DHCP Internet 192.168.50.? Hipxy Proxy IE Looks at 192.168.50.10 : 8080 Nefpx3 - 80 Proxy Server 10.10.10.21 : 80 S1 Static IP Address Static IP Address Switch 192.168.50.26 Hub AD, DNS, DHCP and Exchange 192.168.50.25 to 192.168.50.100 Automatically Obtained IP Address 10.10.10.? 192.168.50.10 WS ISA Server 192.168.50.? IP Address Issued by DHCP

  17. Internal Network External Network WS IP Address Issued by DHCP Internet 192.168.50.? Hipxy Proxy IE Looks at 192.168.50.10 : 8080 Nefpx3 - 80 Proxy Server 10.10.10.21 : 80 S1 Static IP Address Static IP Address Switch 192.168.50.26 Hub AD, DNS, DHCP and Exchange 192.168.50.25 to 192.168.50.100 Automatically Obtained IP Address 10.10.10.? 192.168.50.10 WS ISA Server 192.168.50.? IP Address Issued by DHCP

  18. Internal Network External Network WS Internet 192.168.50.? Hipxy Proxy IE Looks at 192.168.50.10 : 8080 Nefpx3 - 80 Proxy Server 10.10.10.21 : 80 S1 Switch 192.168.50.26 Hub AD, DNS, DHCP and Exchange 192.168.50.25 to 192.168.50.100 Automatically Obtained IP Address 10.10.10.? 192.168.50.10 Cache, What is it WS ISA Server 192.168.50.?

  19. What is Cache • An area of disk space which stores the text and graphics of a viewed web page. When the web page is revisited, the Web browser will retrieve the data from the cache instead of downloading it again to save time.

  20. What is Cache • Or, is an area on the hard disc of a computer where web pages and page elements (graphics etc) are stored when a page is downloaded from the Internet. If a page is revisited and the page, or elements of the page, are still held in cache then the computer will use the cache version to save time rather than download afresh. It also allows previously visited pages to be viewed offline.

  21. Internal Network External Network WS Internet 192.168.50.? Hipxy Proxy IE Looks at 192.168.50.10 : 8080 Nefpx3 - 80 Proxy Server 10.10.10.21 : 80 S1 Switch 192.168.50.26 Hub AD, DNS, DHCP and Exchange 192.168.50.25 to 192.168.50.100 Automatically Obtained IP Address 10.10.10.? 192.168.50.10 WS Cache ISA Server 192.168.50.?

  22. Internal Network External Network WS Internet 192.168.50.? Hipxy Proxy IE Looks at 192.168.50.10 : 8080 Cache Nefpx3 - 80 Proxy Server 10.10.10.21 : 80 Cache S1 Switch 192.168.50.26 Hub AD, DNS, DHCP and Exchange 192.168.50.25 to 192.168.50.100 Automatically Obtained IP Address 10.10.10.? 192.168.50.10 WS Cache ISA Server 192.168.50.?

  23. Internal Network External Network WS Internet 192.168.50.? Hipxy Proxy IE Looks at 192.168.50.10 : 8080 Cache Nefpx3 - 80 Proxy Server 10.10.10.21 : 80 Cache S1 Switch 192.168.50.26 Hub AD, DNS, DHCP and Exchange 192.168.50.25 to 192.168.50.100 Automatically Obtained IP Address 10.10.10.? 192.168.50.10 WS Cache ISA Server 192.168.50.?

  24. Server • AD: Active Directory • DNS: Domain Name Services • DHCP: Dynamic Host Configuration • Start and Finish Address • 192.168.50.25 to 192.168.50.100 • Exclusion Addresses are for Static IP like; • Servers • Routers • Gateways • Printers

  25. Server • Exchange Server: • Preferred mail client – Outlook • RAS: • Remote Access Server

  26. Active Directory Structure

  27. Active Directory Naming Convention

  28. What is ISA Server 2004 • 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 is available in two versions: standard edition and enterprise edition.

  29. What is ISA Server 2004 • 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.

  30. What is ISA Server 2004 • 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 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.

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