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Microsoft have released ISA Server 2004 Service Pack 3, which includes support for Exchange Server 2007 and updated log viewer functionality:
Internet Security and Acceleration (ISA) Server 2004 SP3 provides the latest updates to ISA Server 2004 Enterprise Edition, with increased security, new troubleshooting tools, and improved log viewer functionality. This service pack also adds support [...]
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Here’s an easy way to crash the Microsoft Firewall service in ISA Server – create a server publishing rule that allows all high ports inbound to an internal NATed IP address.
Now this is something that it is not normally done and I don’t think that ISA Server was designed to work this way. I was [...]
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Microsoft have released an update for ISA Server 2006 to support publishing Exchange Server 2007. You will also need to install this patch on any machines running the ISA Server 2006 management console:
Overview
This ISA Server 2006 update adds support for publishing Exchange Server 2007 with ISA Server 2006.
Notes
The Attachment Blocking option is no longer available [...]
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Microsoft have posted a whitepaper on utilising ISA Server as an IPSec gateway/proxy in a domain or server isolation environment to extend IPSSec protecttion to machines that do not support IPSec. This essentially involves ISA Server terminating the IPSec connection and passing traffic into a NAT’d network. It’s a 23 page document and applies to [...]
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We recently had client with a requirement to provide Outlook Web Access and Exchange over the Internet/Outlook Anywhere (RPC over HTTPS) access using a single IP address on ISA Server. The problem with making both of these services available on a single IP address is that both utilise HTTPS which by default is TCP 443. [...]
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ISAServer.org has an excellent four part tutorial on using LDAP to pre-authenticate Outlook Web Access. You can find them here:
 LDAP Pre-authentication with ISA 2006 Firewalls: Using LDAP to Pre-authenticate OWA Access (Part 1)
 LDAP Pre-authentication with ISA 2006 Firewalls: Using LDAP to Pre-authenticate OWA Access (Part 2)
 LDAP Pre-authentication with ISA 2006 Firewalls: Using LDAP to Pre-authenticate [...]
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I upgraded our firewall a couple of days ago from ISA Server 2004 to ISA Server 2006, which went fairly smoothly with the actual setup routine only taking about 5 minutes to complete. However, after the upgrade there were a couple of items required some configuration changes:
1. Published Public Web Sites
Access to unauthenticated web [...]
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