Category Archives: ISA Server

ISA Server 2004 Service Pack 3

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 … Continue reading

Posted in ISA Server | Tagged | Comments Off

Crash the ISA Server Firewall Service – Open All Inbound Ports

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 … Continue reading

Posted in ISA Server | Tagged | Comments Off

ISA Server 2006 and LDAP Authentication

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: … Continue reading

Posted in ISA Server | Tagged | Comments Off

Strengthening OWA Authentication with ISA 2006 and RSA SecurID

Now that Microsoft have released ISA Server 2006, we have more authentication options available to us. This includes the ability to add two-factor authentication solutions to the existing forms based authentication, traditionally used to authentication against Active Directory only. I … Continue reading

Posted in ISA Server | Tagged , | Comments Off

ISA Server 2004 to 2006 Upgrade

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 … Continue reading

Posted in ISA Server | Tagged | Comments Off