Chapter5.Deploying ISA Server 2004 as a Firewall


Chapter 5. Deploying ISA Server 2004 as a Firewall

IN THIS CHAPTER

  • ISA as a Full-Function Security Firewall

  • Multi-networking with ISA Server 2004

  • Defining ISA Firewall Networks

  • Reviewing and Modifying Network Rules

  • Understanding Firewall Policy Rules

  • Examining Advanced ISA Firewall Concepts

  • Summary

  • Best Practices

ISA Server 2004 has become successful mainly because of its flexibility and capability to assume many roles within an organization. The fact that it can easily be configured as a network traffic filter, a web proxy server, a reverse-proxy device, or a VPN solution gives administrators and architects a great deal of freedom in designing ISA solutions for their organizations.

All these deployment scenarios take advantage of a particular portion of ISA functionality, each supplying an answer to a particular need. The deployment option that truly takes full advantage of all of the features in ISA Server 2004, however, is the full-blown edge firewall scenario. This ultimately is the ideal role around which ISA was designed, and it fills the role quite well.

This chapter focuses on deployment scenarios involving ISA Server 2004 being used as an Application-layer firewall for organizations. A discussion of the capabilities of ISA firewalls is presented, and step-by-step guides to deploying them are presented. Specifics on firewall-specific ISA components, such as network rules, firewall rules, the system policy, and network templates, are discussed and outlined.



    Microsoft Internet Security and Acceleration ISA Server 2004 Unleashed
    Microsoft Internet Security and Acceleration (ISA) Server 2004 Unleashed
    ISBN: 067232718X
    EAN: 2147483647
    Year: 2005
    Pages: 216
    Authors: Michael Noel

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