Microsoft Proxy Server - Application Servers - Lecture Slides, Slides of Computer Networks

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• Microsoft Proxy Server 2.

Objectives of the Proxy Server

• Defining the Microsoft Proxy Server 2.
• Benefits
• Features
• System Requirements
• Pricing
• Different Sized Network
• Configuration of Proxy Server
• Proxy Relay
• Advantages and Disadvantages of Proxy
• Summary

Definition Of Proxy Server 2.

• Extensible firewall
• Content cache server
• Provides Internet security
• Improves network response time
• Offers Web caching
• Gateway with firewall-class security between a LAN and the Internet
• Blocks access to undesirable sites.

Purpose of Proxy Server

•

www.microsoft.com/technet

Benefits of Proxy Server

• High Performance Caching
• Manageability & Control
• Firewall Security

High-Performance Caching

• Accelerates access to the Internet
• Offers unbeaten scalability
• Fault-Tolerance

Manageability & Control

• Blocks access to undesirable web sites
• Supports centralized management tools
• Many cost saving benefits

Firewall

• Protects internal network while allowing connection to the Internet
• Real-time alerting and logging
• Cannot protect against attacks outside of the firewall and viruses

2 Types of Firewalls

• Application Level
  • Proxy Server
    • No direct traffic between networks permitted
    • Logging and access control
• Network Level
  • Router
    • Route traffic directly, fast and transparent.

Features of MS Proxy Server 2.

• Real-time Security Alerts
• Reverse Proxy
• Reverse Hosting
• Server Proxying
• Improved Performance
• Hierarchical Content Caching
• FTP and HTTP Cache Support
• Web Administration

Real-Time Security Alerts

• Notification of network under attack
• Supports several alerting thresholds

Reverse Proxy

• Places web server behind Proxy server to Publish to the Web
• Web Server can maintain access to internal network services

Reverse Proxy

•

Proxy Client Dept Connect By LAN Web Server Secure Network Internet

Reverse Hosting

• Extension of reverse proxy
• Allows several web servers behind MS Proxy Server to publish on the Internet.
  • Web server can publish independently
  • Also, can appear as directories in a single large virtual web server.

Server Proxying

• Application Server can be behind Ms Proxy Server for added security.
• Similar to Web Server behind Proxy Server
• Example: MS Exchange Server computer can be placed behind you Proxy Server

Improved Performance

• Offers unbeaten performance for Internet connection
• Proxy Server 2.0 is 40% faster than Proxy Server 1.

Hierarchical Caching

• Caching across a hierarchical connection of individual Proxy Servers
• Enables distributed deployment to branch offices and departments

FTP and HTTP Cache Support

• You can cache not only HTTP 1. objects
• You can also cache HTTP 1.
• FTP Objects
• Greater control over the Tim-to – Live (TTL) setting
• As well with MS Proxy Server version

Web Administration

• You can administer MS Server locally or remotely
• Via a Web browser for added Management flexibility
• Ease-of-use
• You can even create HTML error pages

System Requirements for MS

Proxy Server

• Computer / Processor
• Memory
• Hard Disk
• Display
• operating System
• Peripherals

Computer /Processor of MS

Proxy Server

• 486/33 MHz or Higher
• Pentium or Pentium PRO Processor
• Intel Pentium 133 MHz supports up to 300 desktop PCs
• Intel Pentium 166 MHz supports more than 300 desktop PCs also supports DIGITAL Equipment Alpha Processor /AXP

Hardware

• 1 to 300 clients: Pentium 133 with 2 GB of cache and 32 MB of RAM
• 300 to 2,000 clients: Pentium 166 with 2 to 4 GB of cache and 64 MB of RAM
• 2,000 to 3,500 clients: Pentium 200 with 8 to 16 GB of cache and 256 MB of RAM

Memory of MS Proxy Server

• 24 MB of RAM
• 32 MB RAM supporting up to 300 desktop PCs
• 64 MB RAM supporting more than 300 desktop PCs

Hard Disk MS Proxy Server

• 20 MB of available hard disk space minimum
• For caching 100+ MB recommended

Display of MS Proxy Server

• VGA

• Super VGA
• Video Graphics adapter
  • Compatible with Windows NT Server 4.0