Tech Notes

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How to specify and define allowed host IPs

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how to specify and define allowed host IPs to enhance network security. Follow our comprehensive guide for a seamless and protected networking experience. To specify and define allowed host IPs in a system or network configuration, you can follow these steps presented in a tabular format: Step Description Example 1. Determine IP Range Decide the … Read more

How to send messages to other Windows computers on a network from CMD

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Learn how to send messages to other Windows computers on a network using CMD. This step-by-step guide will help you communicate quickly and efficiently within your organization or family. To send messages to other Windows computers on a network using the Command Prompt (CMD), you’ll need to use the msg command. Here is a guide … Read more

What is an SFP uplink port and what is it for?

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Explore the world of SFP uplink ports and discover their versatility, scalability, and cost-effective benefits in modern networking infrastructure. An SFP (Small Form-factor Pluggable) uplink port is a specialized port on a network switch or router designed for fiber optic or copper cable connections. It’s used for connecting the switch to other network devices, such … Read more

What are the differences between PNG, JPG, GIF, and BMP image formats?

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You wonder what are the differences between PNG, JPG, GIF and BMP image formats? Looking to understand the differences between PNG, JPG, GIF, and BMP image formats? This article explores the characteristics, advantages, and disadvantages of each format, helping you choose the right one for your needs What are the differences between PNG, JPG, GIF, and … Read more