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WEBMASTERINGWebmastering is the science of creating, designing and publishing a website through the internet. Usually, webmasters have knowledge in web development and web oriented programming languages. However, there are several fields in this science and many levels of abilities that go from an amateur to an expert webmaster.FunctionsA webmaster has many functions: He is responsible for designing the website and publishing it. The webmaster maintains his website by updating information and keeping it operational to user. A webmaster administrates the databases related to his website's pages using an an administration interface provided by his domain host.ToolsInternet Programming Languages
The most well-known and used technology in the website creation is HTMLHyperText Markup Language, a language for internet pages able to display information in a specific format on a browser page starting a source code, HTML uses the the internet browser to interpret the language and make it available to users.ProtocolsPublication of websites is done throught the FTP, a protocol that allows files to be sent from a hard disk to a server, as long as there is an allowed space to upload files.
| Topic: WEB DEVELOPMENTWeb Development as opposed to Web Design is the process of creating websites with functionality above and beyond displaying static content. While Web Design is concerned with the layout, look, feel and aesthetics of a website, Web Development is concerned with how the content is delivered, where it is stored, who can edit it, and what viewers can do with it. What you can learn hereThe following topics have been ordered to help provide a pathway for you to learn the main skills of web development. Optional Prerequisites- Install a Web Server - If you are going to have a web site you have to have a way to serve the pages. This lesson shows you how to get a basic web server running.
Getting Started- Web Design/Getting Your Site On the Web - So you've got your site, now you need to get it on the web for everyone to see!
- Select and Install a Content Management System - Do you want to upload your HTML files to your site every time you make a change or do you want to edit your site through the site itself? Do you want to have users and security? Do you need extra functionality? A Content Management System sets the stage for your website.
- Using the Right Tools - See a growing list of selecting the right tools for the job!
Web Development- Web Application Frameworks - Before we start extending the web, lets look at how it works.
- Security - "Security is hard." Jim Fulton, chief Zope architect.
- Web Languages - ASP.Net, Java, PHP, Python, Ruby. All you need is one language to create the next greatest thing. Now, which one....
- Data Persistence - In addition to having the programming skills, you also need to do something with all that data. How and where you store it can have a significant impact on your system.
Web Applications- E-Commerce
- Data-entry/Workflow
- Subscription Services
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COMMON PORTSProtocol| FTP/data (File Transfer Protocol) | 20 | | FTP/control (File Transfer Protocol) | 21 | | SSH (Secure Shell) | 22 | | Telnet | 23 | | SMTP (Simple Mail Transfer Protocol) | 25 | | DNS (Domain Name Service) | 53 | | DHCP (Dynamic Host Control Protocol) | 68 | | HTTP (Hypertext Transport Protocol) | 80 | | POP3 (Post Office Protocol, ver 3) | 110 | | NTP (Network Time Protocol) | 123 | | IMAP (Internet Message Access Protocol) | 143 | | SSL (Secure Socket Layer) | 443 | | SMTP (Simple Mail Transfer Protocol/"submission") | 587 |
| INTERNET PROTOCOLTCP/IPHow information is sent through the internet. TCP (transmission control protocol) means cutting up many copies of the webpage into packets and sending them through various channels within the internet, all eventually going to you. IP (internet protocol) is the 12 digit address (like 142.109.265.155) that every computer on the internet has a unique one of. This address is placed on each packet so they will find your computer.Hyper Text Transfer Protocol (http)It means pages automatically load (automatically saved in cache instead of asking you where you want to save it). Original use of http was to give people a way to publish and retrieve hypertext pages within the Internet.File Transfer Protocol ( ftp)File Transfer Protocol is used to transfer files over a network to other computers. The difference from http is that you indicate where you want to save the files to (or upload them from).
Files offered cover nearly anything that can be stored in a computer. For example, photos, gaming, music and statistics.
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