Mapping Portal Server Features to Your Business Needs

SRA

Table 3-2shows the Sun Java System Portal Server Secure Remote Access (SRA) features and their benefits

Table 3-2SRA Features and Benefits

Feature

Description

Benefit

Integrated security

Extranet or Virtual Private Network

 

capabilities “on demand” while providing user,

 

policy, and authentication services. The

 

Gateway component provides the interface

 

and security barrier between remote user

 

sessions originating from the Internet, and

 

your corporate intranet.

SRA core

Users achieve remote access through four

 

components:

 

Gateway

 

NetFile

 

Netlet

 

Proxylet

Extends an enterprise’s content, applications, files, and services located behind firewalls to authorized suppliers, business partners, and employees.

To prevent denial of service attacks, you can use both internal and external DMZ-based Gateways.

This component has four parts:

Gateway— Controls communication between the Portal Server and the various Gateway instances.

NetFile— Enables remote access and operation of file systems and directories.

Netlet— Ensures secure communication between the Netlet applet on the client browser, the Gateway, and the application servers.

Proxylet— Redirects a URL to the Gateway.

Universal access

Enables web browser based universal access

Simplifies the IT administration and

 

with no client software installation or

maintenance overhead while dramatically

 

maintenance necessary.

reducing the time and cost of deployment

Netlet Proxy

Provides an optional component that extends

Restricts the number of open ports in a

 

the secure tunnel from the client, through the

firewall between the demilitarized zone (DMZ)

 

Gateway to the Netlet Proxy that resides in

and the intranet.

 

the intranet.

 

 

 

 

56 Portal Server 6 2005Q1 • Deployment Planning Guide

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Sun Microsystems 2005Q1 manual Sra, 2SRA Features and Benefits