Author name: Andrew Walding

My short bio can be viewed here: https://www.evernote.com/l/AKglxPOzlV9E7LHKvPsGzgs-SY3McII8E24

A Terminal Version of tshark – we love it!

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 Just introduced this week is a terminal version of tshark that looks like the Wireshark GUI call termshark. Why? Let’s say you run either Virtual Machines or Servers without a […]

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How To Observe if the Web Site you are Browsing Uses QUIC

We started to notice QUIC back in 2017.  For an overview of QUIC you can see my article here: https://www.cellstream.com/2018/03/07/is-there-a-lot-of-quic-in-your-packet-captures/ How do you know if a given web site uses QUIC/gQUIC?  It is a great question, and can be easily answered if you are using Google Chrome (which, by now you should be!). First, you

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smalllinux

3 Ways to put your Wi-Fi Interface in Monitor Mode in Linux

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 If you are like me, you count on the Internet to help with how to’s especially when using Linux.  That said, sometimes the information can be contradicting or confusing.  This

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Getting a Virtual Machine to Access Wi-Fi Monitor Mode

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 In our article on putting your WLAN Wi-Fi interface into Monitor Mode so you can sniff Wi-Fi packets and troubleshoot WLAN’s, we said that if you are running Windows, you

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CSI-HO-030 – Hands-On Understanding Security in WLAN/Wi-Fi Networks

   CellStream, Inc. – Telecom Consulting and Training!             2-Day Instructor Led Hands On Lab Class Available in either Web Based delivery or On-Site Delivery Minimum 10 students – Maximum 20 students Course Description: Having a solid understanding of Network Security in WLAN/Wi-Fi networks is extremely important for anyone in networking,

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CSI-HO-029 – Hands-On Security in IP Networks/Protocols

CellStream, Inc. – Telecom Consulting and Training!  2-Day Instructor Led Hands On Lab Class Available in either Web Based delivery or On-Site Delivery Minimum 10 students – Maximum 16 students Course Description: Having a good knowledge of Network Security in Wireless and TCP/IP networks is extremely important for anyone in the service provider business.  Knowledge

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CSI-SP-006 – Enhancing the Customer Broadband Experience

CellStream, Inc. – Telecom Consulting and Training!  1-Day Instructor Led Hands On Lab ClassAvailable in either Web Based delivery or On-Site DeliveryMinimum 10 students – Maximum 20 students What People are Saying About this Course: “I was very impressed with Andy Walding’s presentation of ‘Enhancing the Customer Broadband Experience’.  Andy’s knowledge and enthusiasm for the

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IPv4/IPv6 Path MTU (PMTU) Discovery Demystified

Check out these additional IPv6 Resources: Our IPv6 overview course at Udemy Our IPv6 Custom Profiles for Wireshark Our IPv6 classes at the Online School A major change in the behavior of IP networks between IPv4 and IPv6 is that in IPv6 networks, all hosts are required to support something called Path MTU (PMTU) discovery. 

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