Microsoft has released ISA Server 2006.
ISA Server 2006 is the integrated edge security gateway that helps protect your IT environment from Internet-based threats while providing your users with fast and secure remote access to applications and data.
Read more at the Microsoft ISA website and download a trial.
Peter is an Exchange specialist with over 15+ years of experience with Exchange Server and certified Microsoft Certified Master (MCM) and Microsoft Certified Solutions Master (MCSM) on Exchange Server. He has been awarded the Microsoft MVP award, every year since 2007. He is active in the Microsoft community and User Group Leader for CoLabora (a danish UC & Cloud User Group). He works as an Cloud & Infrastructure Architect and Consulent, with primary focus on Exchange, Office 365, Azure and Skype for Business.