Playing Well with Others: Configuring the ISA Firewall on a PIX DMZ for Secure Remote Access to OWA and other Exchange Services (source : isaserver.org)

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Playing Well with Others: Configuring the ISA Firewall on a PIX DMZ for Secure Remote Access to OWA and other Exchange Services by Thomas Shinder

“One issue that I rarely had to deal with before ISA Server 2004 came out was whether an organization needed to remove its current PIX firewall infrastructure to securely support ISA Server 2000 remote access scenarios to Exchange Server. Unlike the new ISA firewall, organizations considered the ISA Server 2000 to be primarily a Web proxy server akin to Proxy Server 2.0. Since there was this perception of ISA Server 2000 being only a proxy server, there was never a question on whether the PIX should stay where it was. The questions were more along the lines of where best to put ISA Server 2000 behind the PIX.”

La suite sur : https://www.isaserver.org/tutorials/2004isapixdmz.html