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Web Server Administration . Chapter 9 Extending the Web Environment. Overview. Understand File Transfer Protocol (FTP) services Install and configure an FTP server in Windows Understand News servers Configure remote access to a server Understand streaming media servers

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web server administration

Web Server Administration

Chapter 9

Extending the Web Environment

overview
Overview
  • Understand File Transfer Protocol (FTP) services
  • Install and configure an FTP server in Windows
  • Understand News servers
  • Configure remote access to a server
  • Understand streaming media servers
  • Understand e-commerce software
understanding ftp services
Understanding FTP Services
  • FTP is used to transfer files from a server to a client (download) and transfer files from a client to a server (upload)
  • FTP client is the browser
    • Also command-line and GUI clients
  • FTP servers can operate as anonymous servers or they can require a valid logon
    • FTP servers are not secure; user names and passwords are not sent encrypted
understanding ftp services4
Understanding FTP Services
  • The client connects to port 21 (control port)
  • Port 20 (data port) is used to tell the client which unprivileged port to use for data transfer
  • The above describes passive mode FTP, the most common type
install and configure windows ftp server
Install and Configure Windows FTP Server
  • Windows component
    • Part of IIS
  • Configured through Internet Information Services (IIS) Manager
configure ftp messages
Configure FTP Messages
  • Banner appears when client connects
  • Welcome appears when logged on
  • Exit appears when client exits from server
  • Maximum connections appears when limit is reached and client cannot connect
understanding news servers
Understanding News Servers
  • News servers allow threaded discussions
  • You post messages in a newsgroup
  • A newsgroup focuses on a single topic
  • There are more than 40,000 public newsgroups
  • There are hundreds of gigabytes of information generated per day
  • News servers can be set up for use within an organization
telnet and windows
Telnet and Windows
  • Telnet is not popular in Windows because telnet is text-based and Windows relies on a GUI
    • However, there are many command-line utilities that can be used, especially in Windows Server 2003
  • Before Windows, Microsoft networking depended on a single command net with many options
  • cacls can be used to alter permissions
  • netsh starts a networking shell which allows you to configure and display many network-related items
cacls options
cacls options
  • The format is: cacls file or folder name [options]
netsh examples
netsh Examples
  • Create a text file with commands to re-create the IP configuration
    • netsh interface ip dump
  • Ping the gateway IP address of each NIC
    • netsh diag ping gateway
  • In Windows Server 2003
    • Display errors in system log
    • Manage network monitor and performance
    • Defragment a drive
    • Shut down a server
terminal services in windows
Terminal Services in Windows
  • GUI-based access to a server
  • Can be used for remote administration or running applications remotely
    • In Windows 2000, you select remote administration on installation
    • In Windows Server 2003, it is installed already and you have to enable it
  • Client software is included in Windows Server 2003 and Windows XP
  • You have to install client software for Windows 2000
understanding streaming media services
Understanding Streaming Media Services
  • Used to transfer video and audio
  • By default, UDP is used
    • Although TCP and HTTP can be used because of firewall issues in an organization
  • No single standard exists as is true with SMTP, HTTP, POP3, and others
  • Broadcast methods
    • unicast – each packet is sent individually to each client
    • multicast – each packet is sent to many clients
understanding streaming media services17
Understanding Streaming Media Services
  • Helix Universal Server from Real Networks is popular
    • Recognizes both Real Networks protocols (RTSP, PNA) and the Microsoft protocol (MMS)
  • Windows Media Services is a Windows component
  • Most common formats are Real Media, Windows Media, Quick Time (Mac).
understanding e commerce servers
Understanding E-Commerce Servers
  • Can be as simple as a product list and a shopping cart
  • Can be as complex as amazon.com or dell.com
  • Microsoft Commerce Server is an add-on to IIS
    • Incorporates a number of features required for a typical e-commerce site
    • Highly customizable
summary
Summary
  • Use FTP to transfer files
  • You use News servers to set up threaded discussions on a variety of topics
  • Telnet and Windows Terminal Services allow you to remotely administer a server
  • Streaming media servers are used for video and audio
  • E-commerce servers focus on selling and in general, communicating with customers
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