How to: Technology Book

What is a Firewall in Today's World? The firewall, which we can also define as a digital firewall; is a network security system that controls incoming and outgoing data packets to and from the network, based on software and hardware, within the framework of certain rules. Depending on the filter it uses while controlling the network, it always passes the internet traffic through controls such as IP filtering , port filtering, web filtering, content filtering. Most operating systems today use their own software-based firewall system. At the same time, routers that transfer data between networks also have their own firewall systems. Although the widespread use of the Internet and computers is a fairly new situation, firewall security systems are a technology that emerged in the 1980s. What Does Firewall Do? Firewall network security systems, which work as hardware or software bases, examine incoming and outgoing data packets to the network with a predetermined filter. The main purpos...

What is the Mozilla Firefox Web Browser? Mozilla Firefox is the latest version of the Web browser written by the Mozilla company. It is the second most popular web browser available, accounting for 30.5% of the global web browser market as of February 2011, according to W3Share. This is largely due to its ease of use, increased speed, and availability on multiple operating systems. Open Source Mozilla Firefox is open-source software. This means that the source code of the software is freely available to everyone; users may modify and redistribute it as they see fit. This has allowed many developers to create their own versions of Firefox that include additional features and focus on different areas. An example is a Flock, a Firefox-based web browser that extends social media integration. Benefits Firefox offers many advantages to its users. Seth Rosenblatt of CNET states that security, speed, and stability are Firefox's three strongest benefits. Firefox includes many improvements...

Differences Between Linux and Windows Although it is not as well known as Windows among computer users yet, Linux manages to be mentioned more and more every day. The differences between Windows and Linux are so great that the statement that "both operating systems are the only thing they have in common" is not wrong. Here are 10 main differences between Windows and Linux. 1. Full access - Zero access As opposed to Linux, where access to the source code is free, it clearly summarizes the operating logic of Windows operating systems that keep the source code extremely tightly as a trade secret. 2. Licensing freedom - Licensing restriction Linux's open code philosophy allows the operating system to be freely downloaded and installed on as many PCs as desired, while Windows does not allow installation beyond the number of licenses purchased. 3. Free technical service - Paid technical service The lack of technical service, which is considered one of the biggest handicaps of L...

Who is a Computer Engineer? The computer engineer is responsible for the research, design, development and testing of computer hardware and equipment, including chips, analog sensors, circuit boards, keyboards, modems, and printers. He mainly deals with software, programming and algorithms. What are the Responsibilities of a Computer Engineer? He can be an expert in different fields such as computer engineer, information systems management, computer systems analyst and software application development. The general professional responsibilities of the computer engineer, whose job description differs depending on the field of expertise, are as follows; Performing regular hardware tests using existing technology and test tools, Performing verification tests for new and reconfigured motherboards, Performing regular maintenance activities and troubleshooting computer hardware problems, Updating existing computer equipment and integrating new technology into old equipment, Working in cooper...

Safe Internet Use in 10 Steps The internet, which is used in many areas from our pockets to our homes today, is now a network that includes objects that we can see or cannot see with our eyes. On the internet, which is such a growing and developing structure, you can find good and quality information that you can use in your social and business life, as well as you may experience the loss of your online assets by being exposed to harmful software. In this article, we have listed the things to do for safe internet use for you . 1. Password Change For all the accounts you have on the internet, you should update their passwords at least every 3 months in a different complex structure. Your bank account passwords, mail account passwords, passwords of the websites you are a member of and your FTP passwords are the areas where you need to make changes in this regard. 2. Anti Virus There are many anti-virus software on the market for sale. With these software, you can ensure the security of y...

What is a Firewall? How to Turn Off Firewall in Windows? Firewall is the name given to all software that monitor the incoming and outgoing traffic on any network and protect the computer against possible security vulnerabilities on this network. The firewall is only responsible for defending a computer against threats coming from the network. While the firewall is active, users can be protected and alert against threats that may come from the internet thanks to these software. 1. Firewall Settings Windows Defender comes with a firewall software that protects users from all kinds of internet threats within the Windows operating system. When you log into Windows Defender from the control panel of your computer, you can see the settings related to this firewall, and you can stop or block the firewall at any time. If there is an active firewall used in other operating systems, you can access the settings menu of the software to see what options the software offers you, and by editing the...

24 Top Tips for Creating a LinkedIn Profile Although we make the world's efforts on new career opportunities in business life, opportunities to expand abroad, establishing good and sustainable relationships, brand promotion, business development, personal marketing, networking, etc. Most professionals do not know how to use LinkedIn effectively , which makes it all so easy. Here are 24 good suggestions for a perfect profile: 1. Always keep your profile information up to date. Many people forget to update their LinkedIn profile. Whether you are just starting out in business life or looking for different job opportunities, it is unacceptable to have old information on your profile. The following 3 pieces of information should always be up to date: Your professional title, position and industry. (In your professional title, you can also use words that describe your skills (writer, speaker, trainer, consultant, etc.). Make it clear who you are and what you do in your profile. 2. Use pr...

 VPN Management is Now Easy with Android 11! Having a VPN installed on your smartphone can be ideal for protecting your privacy and preventing unwanted surveillance. In addition to all this, Google has made it easier to see active VPN connections after Android 11 was released . According to Techradar's report, the previous version of Android 10 was intended to show that users are on an external server when connected to the VPN. While this would allow the user to show it is connected to the VPN, the gray border surrounding the notification was not visible, especially when the system was using the dark theme. However, with the update released at the beginning of this month, VPN connections will now appear in the middle of the notification tab. On the other hand, while the gray border is removed, the message "This device is connected to VPN" will appear instead of the "Device connected to VPN" notification. Android 11 users will be able to see which VPN connection ...

8 Simple Methods To Speed ​​Up The Internet 1.Give your modem some time Remember that your modem, which officially gives your computer life and makes the internet available to you, is also a small computer. This cute computer with a processor and ram inside can get tired while dealing with your internet affairs. In such cases, do not ignore that every electronic device has heating problems due to its technology and the modem can get its share. It is highly likely that this will reflect on you as a performance drop. Turn off your modem and give it some time to breathe. 2. Correct the position of the modem If you prefer to receive your internet wirelessly , the antennas on the modems send you signals in a certain bandwidth frequency range. If you want more speed, you should opt for high bandwidth. High bandwidth brings weakness in the coverage area. The location and position of the modem is of great importance if you do not have any coverage issues and do not want to experience bad perfo...

What is Informatics? One of the frequently asked questions in our daily life is the question “ What is informatics? ”. This is quite natural. Because we are in the informatics age as a result of the innovations brought by the technology age. And we started using the word informatics quite a lot. It is a situation that can be explained by informatics that many factors combine with technology and get new formations. Like the letter transformed into technology and renewed into a mail system. So, what exactly is informatics? Briefly, we can say that information and technology come together and new results are informatics. In other words, informatics should not be perceived as a computer-only loop. The main task of informatics is to establish a bridge between information and technology for us. The aim of informatics is to regulate and develop the existing technology for human needs. We can say that informatics has gained various meanings by analyzing under four headings in general framewo...

What is Cisco? Cisco; Router, router (switch), firewall , IP phone, IDS & IPS, etc. used in internet infrastructure and corporate networks worldwide. is the manufacturer of more than 80% of active devices such as. So much so now that Cisco comes to mind when it comes to network and network. Cisco is not generally known to end-users, but it is among the most known brands by IT administrators. Likewise, Cisco Systems is a network company that offers products and services with virtually monopolized network solutions for all networks worldwide. The company takes its name from the last two syllables of San Francisco, the US city where the company headquarters is located. Cisco Systems certificates are valid globally. Experts with these certifications can easily find jobs anywhere in the world. What are Cisco Certificates? Cisco certificates are called CCNA, CCNP, and CCIE for short. To be more explicitly returned; CCNA (Cisco Certified Network Associate) is a beginner and networki...

What is Gpl? What is Open Source Code? General Public License (GPL) General Public License (GPL) is a free software license that is used in many places and provides great opportunities. This license was developed by Richard Stallman in 1983. The most important issue on this license is that the software is distributed with the source code. That is, the source code is open, which allows the user to review the source code, make changes to it, and use it in their own projects. by converting them into financial gain. But your software must be licensed with GPL.