Network security 2024, November

If you decide to create your own website, then the main thing that you need (besides, of course, the very idea of the site and the content that you are going to fill it with) is a domain name and site upload to hosting. You should take these things responsibly, because a good name is already half the battle

Until the end of 1998, there was only one organization on the planet that was engaged in registration and accounting of domain names - the question of who is the domain registrar was then exclusively rhetorical. However, one organization was unable to cope with the explosive growth of the Internet, and today there are already almost a thousand companies in the world that have the official status of “domain name registrar”

Domain - a special area on the Internet - a unit of administrative division of the World Wide Web. Symbolic names exist to identify domains. A common namespace operates within a system where domains are hierarchical. Fully qualified domain name is the domain name itself and then the names of all domains to which it belongs

An IP address is made up of four decimal numbers, each of which can range from 0 to 255. Each such number is equivalent to two-digit hexadecimal or eight-bit binary, and is therefore called an octet. These four short numbers sometimes need to be translated into one long when writing scripts

People who have to work with several computers often want to combine them into a single network. To do this, it is important to know what a domain network is and how best to build it. It is necessary - several computers; - telephone wire or wireless communication devices

By the IP address of a visitor to your site, you can find out quite a lot about him - country, city, name and email address of the Internet provider, etc. But the main value is that the IP can serve as a visitor ID for server-side scripts. Below is described how you can determine the IP address using PHP language

Nowadays it is very easy to create your own website. You just need to decide on its type and choose the appropriate CMS. Then choose a hosting and register a domain. Before installing the CMS and filling the site with information, it remains to attach a domain to the hosting

The part of the site's domain name that the dot decouples from the top-level domain is called the second-level domain, which can be translated as a second-level domain. For example, in the site name kakprosto.ru, the second-level domain name is kakprosto

Search engines, including Yandex, give sites a regional link. This makes the search easier - more relevant results are displayed that match the location of the users. Finding out which region Yandex ranked your site in is quite simple. Instructions Step 1 The method is suitable for those who imagine which region the site can be linked to

When creating a non-commercial project, the budget is usually limited, so they try to register a domain and hosting for free. There are no problems with the choice of the latter, since there are enough offers on the market. But the domain can be registered for free only at the third level

You can transfer a domain controller both in case of its inoperability, and in case of health. The main difference is that it is advisable to transfer a failed mechanism only if a backup copy has been deployed in advance. This is the only way to recover data later

Since 1999, domain name registration has become available to private companies. Now the number of registered domains has exceeded 150 million and continues to grow rapidly. Despite this, it is quite simple to determine the registrar of a particular domain on the Internet

The main advantage of free domains is that you can register as many of them as you like without incurring practically any costs. However, this is where all the advantages of free domains end. Instructions Step 1 Free domains can be conditionally divided into two large groups - second-level domains and third-level domains

If you are interested in the e-mail of one of the users of the VKontakte social network, you can find it using the capabilities of other sites, as well as with the help of small tricks. It is necessary VKontakte account, My World account, ICQ account, Internet access

We all lose or forget the passwords we need. Sometimes this is very inappropriate. This also applies to the passwords under which we register on the sites. However, there are programs whose task is to recover passwords. For example, passwords hidden by asterisks can be recovered using the Asterisk Key program

Login is the name under which the user is registered on the site. There are situations when the login is forgotten or lost, but the password remains. In this case, you can use various methods of entering the site. Instructions Step 1 If you can't log into the mail

If you have many different accounts on social networks, blogs, mail domains, instant messengers, and so on, you know that remembering passwords from all of them is quite problematic. Of course, you can create a single password for all accounts, but this can be insecure

One of the main ways to make money on the Internet is by placing advertisements on websites. advertising spaces on popular resources are especially highly valued, since the likelihood that it will be noticed increases significantly. You can disable ads by using some plugins and browser extensions

Perhaps all Internet users are aware of the huge amount of advertisements posted on sites. Sometimes it turns out to be too intrusive and unpleasant. If you are tired of advertising, you can easily get rid of it. In this article, I will show you how to remove ads from the Google Chrome browser

There are practically no sites on the Internet today that are not full of various advertisements. It is served in the form of banners, text, pop-ups and the like. Such advertisements often cause viruses, Trojans and blockers to appear on the computer

Pop-ups and banner ads can drive the most patient user crazy. That is why the developers of extensions for popular browsers have created tools to combat annoying ads. Instructions Step 1 To disable the appearance of ads while working in the Google Chrome browser, click in the settings menu (the wrench icon in the upper right corner of the browser) and select "

Social networks have become widespread among users, especially on mobile phones. People communicate not only at home through computers, but also in other public places through mobile phones. Instructions Step 1 However, it is worth noting that many sites are displayed incorrectly on cellular devices, since the bandwidth of the mobile Internet does not allow opening pages at the same speed as on a personal computer

The World Wide Web is replete with various Internet resources and sites, which most often mean the same thing. Internet resources can perform a variety of functions. Therefore, it is worth figuring out what they are. The concept and emergence of Internet resources The first site of its kind appeared in 1990, it contained information about the World Wide Web (WWW) technology, the HTTP protocol and their features

All modern browsers have pop-up blocking mechanisms. You can set the appropriate rules both for all web resources as a whole, and for individual sites. Instructions Step 1 If you're using Opera, you can choose one of the browser's four pop-up control modes:

Sooner or later, the question arises where the money goes on the Internet. Often, users need information that fully provides step-by-step instructions for obtaining information - what the traffic is used for when connecting to the Internet via the DRO

Chrome is a popular Google browser, originally aimed at speed, security and correct display of sites. It has an ascetic interface and simple functionality that can be extended with a lot of add-ons. All this makes it possible to assemble a lightweight browser that is maximally adapted to the user's tasks

While working on the network, you should monitor the traffic consumed; any noticeable deviation from the expected value may indicate security problems. Traffic and network control will help you avoid illegal connections to your computer. Instructions Step 1 Users of the Windows operating system can always monitor network activity by the connection icon in the system tray

Working on the Internet is associated with the risk of stealing confidential information - logins and passwords from accounts, credit card data, various documents, photographs, etc. Any oddities in the operation of the computer may be associated with its infection or hacking, in this situation it may be necessary to monitor the traffic

With the development of the modern Internet, tariffs for companies providing access to it are developing. The current speeds go beyond the dreams of yesteryear. For the majority, the tariffs are the so-called "unlimited", which, for the most part, do not limit the quantitatively transmitted and received data

Internet browser Google Chrome is one of the most popular browsers. Therefore, if the reader uses it, he must also take some measures to ensure the security of his data when working in this program. In particular, know how to store and view passwords

Modern browsers allow you to store a history of visited addresses. For this, files are used, the names of which depend on the program used. They can be read with a text editor and transferred to other computers if they have the same type of browser

Modern browser programs remember everything for us: our favorite pages, everything that we have visited for a long time, passwords to all kinds of sites - mail, games, social networks. How convenient it is to enter the site and no longer think about entering a username and password

When using the Internet, it is useful to know that in any browser all the pages read are saved in the permanent memory of the computer. Browser browsing history is called "History". To ensure that endless browsing does not "clog"

You can transfer a photo over the Internet in different ways. In particular, this can be done through a mailbox or instant messaging service (for example, ICQ), and sometimes a link to a file hosting service or photo hosting. Instructions Step 1 One of the most common ways to transfer photos over the Internet is by emailing the image

There are a large number of programs and services for quickly downloading files. All kinds of download managers allow you to simultaneously download several elements at once, and file-sharing services make it possible to achieve the maximum speed of the Internet channel

If the user forgets the login or password from his own account in the social network "Odnoklassniki", the administration provides him with the opportunity to restore the relevant data. At the same time, any recovery method is associated with the need to use a phone number, e-mail address

Internet Explorer has an "auto-complete" feature that allows users to save frequently entered information in the browser's memory. These can be addresses, logins and passwords. Having filled out the data entry form once, you will not waste time on this procedure - everything that is saved will be entered automatically

In conditions when several people use one computer, the issue of protecting private information becomes relevant. In particular, the issue of deleting saved logins and passwords in the browser. Instructions Step 1 In the Opera browser, click Tools>

As practice shows, many users of a personal computer are faced with such difficulties as confirming a password when entering the Internet. This is not a serious problem, however, over half of the users are simply annoyed. It is necessary - a computer

Recently, more and more Internet users manage to pick up such an unpleasant thing as an advertising banner on their computer. Not only does this banner look not very aesthetically pleasing, it also blocks the browser or other programs and requires sending a message to a number to unlock it, as a result of which you will be charged a fairly significant amount of money