Network security 2024, November
On the VKontakte social network, site members share with friends not only their photos, but also music files. If desired, and if some special programs are available, users can save the audio they like to their computer. A few years ago, on the VKontakte social network, site users could only listen to music uploaded by other members of the service
A modern person in a day spent at a computer on the Internet can click on from several hundred to several thousand links. What many don't know, however, is that not all links are "equally useful." Technically speaking, the link itself is an active element of hypertext markup that links two different documents, but in simple terms, the link simply leads to a web page, image, file or other document
The use of Java applets is considered potentially dangerous, as it allows you to remotely perform some operations on your computer. Nevertheless, a considerable number of sites use Java applications downloaded to the user's computer, therefore, in the settings of most browsers, there is a function to enable / disable permissions to execute applications of this kind
An IP address is a unique address of a computer on an IP network that is used to move data between nodes. In this case, delivery to the addressee is not guaranteed. Basically, the IP address is somewhat similar to your home mailing address. As known
To protect web resources from attempts of "illegal penetration" in the settings of web servers, as a rule, the ability to view the contents of the server folders by site visitors is disabled. For this purpose, site administrators can use either specialized software installed on the server, or programs installed on their own computer for access using the FTP protocol
The sitemap makes it possible to visually see its structure, which allows you to quickly search for the necessary information. Having a complete map of his site, the administrator can effectively work on its optimization, which ultimately affects the traffic of the resource
In the life of every Internet user, there comes a time when he needs information that is located only on foreign sites. As a rule, the level of knowledge of a foreign language of an ordinary user is insufficient to correctly read this kind of pages
When adding or searching for a site for Yandex.Catalogue, it is much easier to initially highlight the topic. There are many ways to define a topic. They were developed by the optimizers of the Yandex project itself. It is necessary Yandex
Most websites today are built using CMS or standalone scripts. This effectively means that the content of the resource is generated dynamically. Therefore, we can talk about the size of the site both in terms of assessing the disk space it occupies on the server, and in terms of the amount of content available for download by the user
The root folder of a site is the top-most directory in its hierarchy, in which all other directories are nested. As a rule, when talking about the root folder, they do not mean its http-address displayed in the address bar of the browser, but the full path from the root directory of the server that hosts the site
An increasing number of communities, groups and public pages appear on social networks every day. The only way to survive this fierce struggle for user attention is to design the group menu in a convenient and aesthetic way. So that even an inexperienced user can intuitively understand how to find exactly what he needs
On the Odnoklassniki social network, you can upload a video so that all your friends can see it. You can download a video clip both from a computer and from third-party Internet resources, for example, from YouTube. Posting videos on social networks First you need to go to your profile in Odnoklassniki
No matter what people say, who never delve into the essence of the matter before condemning, but working in MLM systems really brings a lot of income. But only those who work hard to build up their own network, constantly attract new customers and partners and do not stop there, honing their skills with each new sale, get decently
An IP address is an identifier for connecting a computer to the network, which is issued by the provider when it joins the network. But such a connection does not necessarily mean the physical connection of two cables, it can be created in software
Microsoft SQL Server is a complete data management and analysis solution that enables you to quickly deploy next-generation scalable Web applications. SQL Server is a key component in supporting e-commerce, interactive business applications, and data warehouses, providing the scalability needed to support growing, dynamic environments
If you are not a fan of online games and go to your Odnoklassniki page in order to communicate in correspondence with friends, see their photos and share in secret in statuses, then you will be annoyed by constantly receiving invitations to join any game
To increase the profit received from the site, and in general to increase the popularity of your links, it is sometimes necessary to hide affiliate links, passing them off as your own. People prefer to click on links thinking that you are not getting additional commissions for doing so, and you can use several different ways to hide affiliate links
With the help of e-mail, you can not only carry out business correspondence, exchange photos, messages, music and video files, but also send beautiful greeting cards. Instructions Step 1 One of the most convenient services for sending postcards by e-mail is the Postcard @ Mail
The social network "VKontakte" allows users to create communities and interest groups, which can be joined by certain individuals or everyone. At the request of the creator, one of several types of group can be installed. Instructions Step 1 Log in to the VKontakte social network using the username and password of the community administrator
A visited site in the modern world is not only a confirmation of the professionalism of the web-master who created it, but also a good means of earning money. Therefore, modern web resources compete for the attention of users, attracting them with their content and services
A well-chosen font can emphasize the style of the site, give it uniqueness, beautifully separate paragraphs, main text, quotes and secondary information. And also make the site memorable and give pleasant emotions to visitors. Instructions Step 1 The most accurate way to determine a site's font is to look at the CSS properties
It is sometimes necessary to hide the link behind the text to give your document or website a better look and clarity. And the text should clarify the content of the hidden link. To perform this operation, there is a very simple and intuitive tool:
Making a post on a blog or on another Internet resource does not necessarily require highlighting links. In some cases, references to third-party materials and sources should be hidden. In such cases, the author uses HTML to create the text
Sometimes for the stable operation of the local network, it is necessary to use permanent IP addresses. This is especially true in cases where the network includes a large number of publicly available peripherals. Instructions Step 1 Turn on your computer and open the Start menu
When downloading data from the Internet, various failures often occur that interrupt the entire process. In this case, the next attempt to restore the file download may not work, since the browser does not have special functions. Instructions Step 1 For example, a file was downloaded on your computer through a browser
The social network Vkontakte is very popular in Russia. In this regard, the functionality of the site is developing dynamically. But at the same time, its interface becomes more complicated. For example, the function related to removing subscribers in Vk is not so obvious
Modern tablet computers are equipped with many means of communication, including work in 3G networks. There are several ways to check for this option. First, you need to carefully study the instructions for this device. At the very beginning, the technical specification of the tablet computer is indicated
A network address is a unique combination of numbers by which a computer is recognized on a local network or the Internet. If the PC is connected to the Internet via a server or acts as a server itself, then these values will differ. There are several ways to find the IP address
If a particular site is not accessible from your computer, this does not mean that it does not work at all. Perhaps it is inaccessible only to your provider, or even completely blocked by it. There are several ways to find out what really happened to the site
Each computer working on the network has its own unique ip-address. Due to the fact that no two computers with the same addresses can be on the network at the same time, IP becomes an important tool for identifying users. Instructions Step 1 The need to find out the ip-address of an Internet resource or a specific computer does not arise so often, usually in case of suspicion of fraud or when suspicious connections are detected on the computer
The operating system allocates a local port to each program working with the network, through which it makes the connection. Sometimes a user needs to find out on which port a particular program is running or which application is occupying a particular port
Any program that uses a local network or the Internet does so through a port. A port is a logical system address, a piece of memory through which data is exchanged. Closed ports are those ports that cannot be connected to. The reason may be in the firewall settings of your computer or on the server of the provider
DNS data can be found from the properties of the Internet or local network connection. You can also use special information sites. Some providers provide this information through their official website or in other ways. It is necessary - Internet connection
If you need the server computer to manage the mapping of IP addresses and names of other computers on the local network, configure it to act as a WINS server. As a result, users will be able to access network resources by computer names rather than IP addresses
We often hear: "Register the DNS server", "Change the address of the DNS server", "The DNS server is not working". What is DNS? What is hidden under this abbreviation, and how significant is it in the context of the entire Internet?
In order to find out the IP address of the DNS server, you just need to log in as an administrator and perform a number of simple steps. Even a beginner in the field of computer technology and working with network connections can cope with this operation
Quite often, Internet users have difficulties accessing the network due to the fact that the Internet provider's DNS server is temporarily out of order. That is, the Internet channel is physically stable, but there is no access to resources due to the server's inoperability
A person accustomed to the global network will not want to part with it even after moving to another city. To feel at home again, you need to find an Internet provider in a new location. Instructions Step 1 If you have not moved to another city forever, but arrived in it for the purpose of vacation or business trip, there is no point in looking for a wired provider
While working on the Internet, the need to automatically update pages is quite rare - for example, during active communication on the forum, when new messages constantly appear. However, if the user does not want to manually refresh the pages, he can configure auto-refresh at the required interval
To connect to the Internet, each computer is assigned an IP address - static or dynamic. How to fix it so that there are no problems with access to the network? Instructions Step 1 Read the terms of the agreement that you entered into with your provider when connecting to the Internet