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  What is a computer port? | Ports in networking- What is a port? A port is a virtual point where network connections start and end. Ports are software-based and managed by a computer's operating system . Each port is associated with a specific process or service. Ports allow computers to easily differentiate between different kinds of traffic: emails go to a different port than webpages, for instance, even though both reach a computer over the same Internet connection. What is a port number? Ports are standardized across all network-connected devices, with each port assigned a number . Most ports are reserved for certain protocols — for example, all  Hypertext Transfer Protocol (HTTP) messages go to port 80. While IP addresses enable messages to go to and from specific devices, port numbers allow targeting of specific services or applications within those devices. How do ports make network connections more efficient? Vastly different types of data flo...

  Python YouTube Downloader with Pytube:- Python YouTube Video Downloader  is an application to download videos from YouTube. This provides users to download videos they need in their devices and watch them offline. Youtube Video Downloader Python Project The Youtube downloader project is a python project. The object of this project is to download any type of video in a fast and easy way from youtube in your device. In this python project, the user has to copy the youtube video URL that they want to download and simply paste that URL in the ‘paste link here’ section and click on the download button, it will start downloading the video. When video downloading finishes, it shows a message ‘downloaded’ popup on the window below the download button. Steps to Develop Python YouTube Downloader Project Prerequisites To implement this project we use the basic concept of python, Tkinter, pytube library. Tkinter  is a standard GUI library and it is one of the easiest ways to build ...

  Social Engineering attacks and their types: Social engineering attacks are used to gain access to the system and carry out actions that reveal confidential/secret information of the user. It makes the user break the security procedures and tricks to gain access to the system. There are different types of social engineering attacks such as- Phishing – Attackers create a similar fake website and acquire personal and bank details through this. He targets customers through email and other means. Spear phishing – Similar attack like phishing but the target is narrow towards a specific group. Vishing – Attack through phone as a medium Pretexting – Based on a scripted scenario, used to extract PII. The attacker resembles himself as a known person. Baiting – Attacks happen through download links, infected USB’s etc. Denial of Service Attack vs Distributed Denial of Service Attack: S.no DOS DDOS 1 In DOS, the attacker uses a single computer and internet connection to flood the target res...