from from NET guide's MS security & acceleration server"If you want to have a high security and a high performing web-based solution then using Microsoft Internet Security and Acceleration Server 2004 could be an answer to all your needs. It is a VPN (Virtual Private Network) and a web cache solution that can serve as an application-layer firewall too. Further the Microsoft Internet Security and Acceleration Sever 2004 can minimise your server downtime to a near zero level and is capable of maximising your return on the IT investments you made."
if you are curious regarding your internet security then you should try Microsoft Internet Security and Acceleration Server.Its having a Application Layer firewall and It is a VPN (Virtual Private Network) and a web cache solution.you will get many benifits over traditional firewalls as traditional firewalls can not stop the application layer attacks like Sql Injection or Cross Site Scripting.This solution will prevent from such attacks.
It has capabilty of filtering all most any kind of data including but not limited to VPN and others.
Besides this it has a nice User Interface , Wizards ,Templates and host of other managment tools which will make it a usefull thing for WebApplications which requires high performance and high security.It also has built in features like circuit filtering and stateful filtering.
.NET developer tutorial guide has a nice article written on it.Please check it out here.
