Author name: Andrew Walding

Andrew Walding is the founder and president of CellStream, Inc., bringing more than 30 years of experience in telecommunications, broadband networking, Internet technologies, and technical education. His expertise spans network engineering, wireless and wireline communications, packet analysis, network operations, emerging technologies, and the design and delivery of advanced technical training programs. A Cisco-certified professional, IPv6-certified specialist, and CBRS Certified Professional Installer (CPI), he helps organizations and technology professionals understand, deploy, troubleshoot, and optimize modern communications networks.

How to Decrypt HTTPS on Windows in Wireshark

Post Views: 3,010 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 Whenever your web browser connects to a web server using HTTPS, a secure connection is established, keys are exchanged, and the traffic is encrypted.  We won’t spend

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CSI-SP-CSR-CERT Customer Service Rep Certification Program

Post Views: 22,701 We are proud to announce the availability of our Customer Service Certification Program beginning July, 2020! The following is a detailed explanation regarding our CSR Certification Program, targeted to certify Customer Service Representatives that will provide the ‘next level’ of customer and technician interface.  We will describe how it works at the

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Anonymizing Capture Files and More with Tracewrangler

Post Views: 5,122 One of the things that we have to do when capturing packets is save the packet captures to a file, so we can study them, or even send them to someone else who can help us to understand what is happening, or to send them the manufacturers as evidence of what went

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How do I get Windows interfaces to show up in Wireshark?

Post Views: 2,160 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 Apparently this is a common problem, where on Windows systems you do not see any interfaces: There are a couple of things to try: 1. If you

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Designing Courses for Online Web Based Training

Post Views: 7,917 The Coronavirus (SARS-CoV-2) pandemic and the COVID-19 disease has changed our lives: the way we socialize, travel, exercise, work, play, and learn.  Social distancing by working from home and learning from home has become a requirement, not just a lucky or cool thing.  This has resulted in an almost overnight dependency and

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Packet Capture in Windows using pktmon.exe

Post Views: 9,789 Microsoft has added a packet sniffing/packet capture tool in the latest Windows 10 update. We have previously discussed using the ‘netsh’ command to do packet capture in Windows (see my article here). The pktmon tool is new.  What does this mean?  Is it better than netsh?  Does it integrate with Wireshark? Well,

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CBRS Certified Professional Installer (CPI) Services Description

Post Views: 4,209 CellStream is proud to announce, and congratulates, Mr. Andrew Walding on attaining his CBRS Certified Professional Installer certification from Google!  As discussed in the CBRS overview article, CBRS license holders need an account with one of the SAS providers, and then they need a CPI to actually certify and log their CBSD/Antennas

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CBRS Certified Professional Installer (CPI) Services

Post Views: 4,132 CellStream is proud to announce, and congratulates, Mr. Andrew Walding on attaining his CBRS Certified Professional Installer certification from Google!  As discussed in the CBRS overview article, CBRS license holders need an account with one of the SAS providers, and then they need a CPI to actually certify and log their CBSD/Antennas

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CBRS – the new way to allocate Wireless Spectrum

Post Views: 3,530 If you haven’t heard by now, there is a new and innovative way to allocate wireless spectrum.  It is called CBRS – or Citizens Broadband Radio Service.  In our opinion every service provider, rural or otherwise, should be actively engaging this new methodology and ramping yup their awareness and participation in CBRS. 

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Capturing Wi-Fi WLAN Packets in Wireshark on MacOS

Post Views: 9,113 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 Ok all you Mac users, here is the way you capture Wi-Fi/WLAN frames using your Mac and Wireshark. First, Mac users get a really easy time of

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Windows WLAN/Wi-Fi Commands of Interest

Post Views: 5,408 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 There are several other articles that we have written on various Windows 10 WLAN/Wi-Fi commands that you can execute to perform various important wireless information gathering and

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Viewing the WLAN/Wi-Fi details via the WLAN Report in Windows

Post Views: 3,916 Windows 10 has several interesting WLAN/Wi-Fi commands you can run from the Windows 10 and later command or Powershell.  One of them is the WLAN Report.  The Windows WLAN Report is a detailed, automatically generated diagnostic report that provides a comprehensive history of Wi-Fi activity on a Windows system. It is produced

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Best Practices for Securing your WLAN/Wi-Fi Network at Home or Small Business

Post Views: 7,718 If you have attended any of my presentations of WLAN/Wi-Fi Security or even my Security Courses,you know that the design of WLAN/Wi-Fi networks leaves a lot to be desired when it comes to security.  This is also evidenced by the law suit against Amazon with hackers allegedly controlling Ring cameras. I have always

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