Networking and Computing Tips and Tricks

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Discover Essential Networking and Computing Tips with CellStream!

Welcome to our vibrant hub for all things networking and computing! At CellStream, we believe in empowering you with the knowledge to master your digital world. Whether you’re a beginner looking for foundational advice or a tech-savvy enthusiast seeking advanced techniques, our Computing Tips section is your go-to destination.

Why Explore Our Computing Tips?

  • Actionable Insights: Gain practical, step-by-step guides to optimize your computer’s performance.
  • Latest Trends: Stay ahead with the newest updates and best practices in the tech industry.
  • Expert Advice: Benefit from the wisdom of seasoned professionals who share their tried-and-true tips.
  • Diverse Topics: From troubleshooting common issues to enhancing your cybersecurity, we cover it all.

Some examples:

  • Speed Up Your Computer: Learn how to boost your system’s speed and efficiency with simple tweaks.
  • Secure Your Data: Discover essential tips to protect your personal information from cyber threats.
  • Maximize Productivity: Find out how to make the most of your software and hardware to enhance your workflow.

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If there is something you need help on or something you would like to see added here, just drop us a line at our Discord server and we will be glad to try and help.

Be careful, not all tips work on all networking equipment nor operating systems.

Deleting Remembered Wi-Fi Networks in Windows, MacOS, and Linux (Debian)

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If you attend our WLAN Operations course, one of the things we discuss is Active Scanning.  Your system uses your saved Wi-Fi networks to actively scan for those networks (probing).  There are potential security risks in this, especially with free networks.  Most students conclude they should not remember networks in this way.  The burning question […]

Deleting Remembered Wi-Fi Networks in Windows, MacOS, and Linux (Debian) Read More »

Real-life Wireless Wireshark Troubleshooting Example

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Sometimes troubleshooting in Wireshark is easy-ish, you find a misbehaving protocol behavior or pattern or even a bad packet, sometimes it is tricky and takes a while to find something, and sometimes it is as clear as mud.  Check out these great references as well:   Our custom profiles repository for Wireshark  Our Udemy course on

Real-life Wireless Wireshark Troubleshooting Example Read More »

Leveraging SSL and TLS Decryption in Wireshark

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Check out these great references as well:  Our custom profiles repository for Wireshark  Our Udemy course on Wireshark   Our Udemy course on Wireless Packet capture I am often asked how SSL and TLS can be decrypted in Wireshark captures.  I have written a separate article on HTTPS Decryption in Wireshark here.  NOTE: Wireshark no longer

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TLS Decryption in Wireshark Using Key Log Files in Windows, MAC, and Linux

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Hi everyone!  Being able to decrypt the encrypted contents of packet captures is very important if you want to troubleshoot anything above Layer 4.  This is even more important today as the network is evolving to QUIC where everything is encrypted. Check out these great references as well:  Our custom profiles repository for Wireshark  Our

TLS Decryption in Wireshark Using Key Log Files in Windows, MAC, and Linux Read More »

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Zero to Hero with Wireshark Display Filter Macros

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Check out these great references as well:   Our custom profiles repository for Wireshark  Our Udemy course on Wireshark   Our Udemy course on Wireless Packet capture If you are a Wireshark power user, you know the importance of complex display filters to narrow searches for very particular items.  The challenge can be to recall these filters,

Zero to Hero with Wireshark Display Filter Macros Read More »

Finding HTTPS Sessions in Wireshark Captures

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Check out these great references as well:   Our custom profiles repository for Wireshark  Our Udemy course on Wireshark   Our Udemy course on Wireless Packet capture For those of you who love Wireshark and are asking the question: How do I find what HTTPS site were visited within a capture? I have a clever and very

Finding HTTPS Sessions in Wireshark Captures Read More »

How do I find all packets from Apple devices in Wireshark?

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Check out these great references as well:   Our custom profiles repository for Wireshark  Our Udemy course on Wireshark   Our Udemy course on Wireless Packet capture   Great question, and one I get all the time. As most of you know, the manufacturer of a networking device that uses MAC addressing can be identified by the

How do I find all packets from Apple devices in Wireshark? Read More »

The TRANSUM tool is now in Wireshark 2.4!

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Check out these great references as well:   Our custom profiles repository for Wireshark  Our Udemy course on Wireshark   Our Udemy course on Wireless Packet capture It’s Sunday, it’s Father’s Day, and it is the day before Sharkfest 2017!  One of the best presents has been that TRANSUM has been included as a plugin with Wireshark

The TRANSUM tool is now in Wireshark 2.4! Read More »

Wireless Report in Wireshark 2.x

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Check out these great references as well:  Our custom profiles repository for Wireshark  Our Udemy course on Wireshark   Our Udemy course on Wireless Packet capture One of the clever Wireshark 2.x features has to do with Wireless packet trace analysis. From the Wireless menu drop down, there is a WLAN Traffic item.  Let’s examine this:

Wireless Report in Wireshark 2.x Read More »

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Capturing Wi-Fi WLAN Packets in Wireshark on Linux

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Check out these great references as well:   Our Wireless custom profile for Wireshark  Our Udemy course on Wireless Packet capture  Our other Wi-Fi related articles At a recent course I taught in New England, one of the students wanted to capture Wi-Fi packets on their Windows Surface Pro.  Of course, I referred them to my

Capturing Wi-Fi WLAN Packets in Wireshark on Linux Read More »

Capturing Wi-Fi WLAN Packets on Windows for Free!

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Check out these great references as well:   Our Wireless custom profile for Wireshark  Our Udemy course on Wireless Packet capture  Our other Wi-Fi related articles As many of my clients and students know, I have always been astonished at how hard it is to capture the Wi-Fi traffic in Windows.  This article will explain the

Capturing Wi-Fi WLAN Packets on Windows for Free! Read More »

Using Netsh to Capture Packets in Windows

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A frequent visitor here will know that we have many articles discussing the netsh command line shell/scripting tool in Windows.  The tool was originally introduced in Win2K.  If you aren’t a regular – just click on ‘netsh’ in the tag cloud to see them all. This article discusses how you can use the ‘netsh trace’

Using Netsh to Capture Packets in Windows Read More »

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