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Introducing McAfee Plugins for Microsoft

ISA Server

The McAfee

plugins for Microsoft ISA Server contains two plugins that integrate McAfee

Web

Gateway, McAfee

Data Loss Prevention, or McAfee

SaaS Web Protection with Microsoft ISA Server.

McAfee Web Gateway

You can use either the ICAP plugin or the proxy chaining plugin to filter web traffic from the Microsoft

ISA Server through the McAfee Web Gateway appliance. For more information about McAfee Web

Gateway, see the McAfee Web Gateway product documentation.

• ICAP plugin — Configure the ICAP plugin when you want to use the McAfee Web Gateway

appliance to filter inbound and outbound web traffic. In this scenario, the ICAP plugin redirects web

traffic from the Microsoft ISA Server to the McAfee Web Gateway appliance where the web traffic is

filtered according to policies and rules set up on the appliance. The traffic is then sent back to the

Microsoft ISA Server for final routing through the network.

• Proxy chaining plugin — Configure the proxy chaining plugin when you want to use the McAfee

Web Gateway appliance as an upstream proxy server in your proxy chain environment. In this

scenario, the plugin forwards the web traffic to the McAfee Web Gateway appliance where the

traffic is filtered according to policies and rules set up on the appliance. The McAfee Web Gateway

appliance then sends a response back to the Microsoft ISA Server indicating the action to take on

the request.

McAfee Data Loss Prevention

You can use the ICAP plugin to redirect web traffic from the Microsoft ISA Server to the McAfee DLP

appliance for web traffic content filtering.

ICAP plugin — Configure the ICAP plugin when you want to use the McAfee DLP appliance to filter

outbound web traffic. In this scenario, the ICAP plugin redirects outbound web traffic from the

Microsoft ISA Server to the McAfee DLP appliance where the web traffic is filtered according to policies

and rules you have set up. The response from filtering is then sent back to the Microsoft ISA Server,

which delivers it to the user. For more information about McAfee DLP, see the McAfee DLP product

documentation.

McAfee SaaS Web Protection

Use the proxy chaining plugin to forward traffic from the Microsoft ISA Server to the McAfee SaaS Web

Protection service for URL filtering on web traffic requests.

Proxy chaining plugin — Configure the proxy chaining plugin when you want to use the McAfee

SaaS Web Protection service to filter outbound web traffic requests. In this scenario, the plugin adds

McAfee SaaS Web Protection authorization to web traffic requests and forwards the requests upstream

to the McAfee SaaS Web Protection service where URL filtering takes place. The McAfee SaaS Web

McAfee

Plugins for Microsoft ISA Server 1.4.0 Software Product Guide

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