Overview of Microsoft ISA
Server 2006
1
Introducing ISA Server
• Protects resources
• Connects directly to
the Internet and your
private network
• Screens network traffic
• Acts as a proxy for
internal services
2
Introducing ISA Server
3
Microsoft ISA Server
Proxy Server 2.0
• Optimize Internet web browsing by caching
the images and text from web pages to local
servers.
Clients access to Internet quickly !
4
Microsoft ISA Server
Microsoft Internet Security & Acceleration
Server 2000
• Is an internet firewall and web cache which is
capable of integrating into an existing
Windows infrastructure.
• Focus more attention on the product’s
security capabilities!
5
Microsoft ISA Server
ISA Server 2004
• was vastly improved over the previous
versions of the product, and it quickly became
noticed in the wider security community.
• was originally released with only a standard
edition of the product!
• Finally, predating the release of ISA Server
2006!
6
ISA Server 2006’s Features
Fast, Secure Access!!
Fire
wal
l
Caching
7
Caching
• ISA Server supports caching as a way to
improve the speed of retrieving information
from the Internet
Cache
8
Firewalls
What is a Firewall?
• A firewall is hardware, software, or a
combination of both that is used to prevent
unauthorized programs or Internet users from
accessing a private network and/or a single
computer.
Internet
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Firewalls
Firewall Rules:
• Allow – traffic that flows automatically
because it has been deemed as “safe”.
• Block – traffic that is blocked because it has
been deemed dangerous to your computer.
• Ask – asks the user whether or not the traffic
is allowed to pass through.
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How ISA Server protects networks?
•
ISA Server has full screening capabilities:
– Packet filtering
– Stateful inspection
– Application-level inspection
•
•
ISA Server blocks all network traffic unless
you allow it.
ISA Server is ICSA and Common Criteria
certified.
11
Network perimeters
Business Partner
Main Office
LAN
LAN
Internet
Network perimeters
include connections to:
 The Internet
 Branch offices
 Business partners
 Remote users
 Wireless networks
 Internet applications
Branch Office
Remote User
Wireless
Network
LAN
12
ISA Server 2006’s New Features
• Multiple network support and per-network
policies.
• Support for complex and customizable protocols
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ISA Server 2006’s New Features
• New server and
OWA(Outlook Web
Access) publishing
rules
• Remote Procedure
Call (RPC) filtering
support.
• End-to-end secure
web publishing
capabilities.
14
ISA Server 2006’s New Features
•
•
•
•
•
•
RADIUS and SecurID authentication support.
Stateful inspection for VPN connections.
VPN quarantine control features.
Enhanced monitoring, logging, and reporting.
Forms-based authentication for all web sites.
Enhanced branch office support tools.
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