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Showing posts from October, 2023

"Top 5 Reasons to Learn Python in Today's Tech World" Its Technology Applications"

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In the ever-evolving world of technology, Python stands out as a powerhouse programming language with numerous advantages that make it a top choice for aspiring developers, data scientists, and tech enthusiasts. With its simplicity, versatility, and widespread adoption, learning Python can be a game-changer. In this blog, we'll explore the top five compelling reasons why learning Python is a wise decision in today's tech landscape. 1. Easy to Learn and Read Python's clean and readable syntax makes it an excellent choice for beginners and experienced developers alike. With its minimalistic, human-friendly code structure, Python is often described as being close to plain English, making it easy to understand and write. This simplicity allows you to focus on problem-solving and creativity rather than struggling with complex syntax rules. 2. Versatility for Diverse Applications Python's versatility is a significant reason for its popularity. It can be used in various domai

How VPNs really work

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I got asked an interesting question I thought I’ll explore it here There are many explanations of VPN as a magical tunnel that protects your identity. These descriptions, however, are very vague and often misleading. I am not an expert in networking, but know how to explain what occurs under the hood when a VPN is enabled. So, I suppose I'm talking to software engineers. They are my audience after all. It is a simple example, using the HTTP server, of how VPN works. .  Let's say your source IP is 6.6.6.6., so let's suppose you want to join Google using an IP 1.2.3.4 port 80 then we need to make sure our source IP is 6.6.6.6. That is your public IP router, not your personal laptop's private IP, so for simplicity I will skip NAT.  Normally with no VPN, your client sends a SYN segment to port 80 that goes into an IP packet with a destination IP 1.2.3.4 and source ip 6.6.6.6 and google replies back directly to you with a SYN/ACK destination IP 6.6.6.6 and and the source IP