Post Views: 1,138 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 […]
Real-life Wireless Wireshark Troubleshooting Example Read More »
Post Views: 1,238 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.
Wireless Report in Wireshark 2.x Read More »
Post Views: 5,561 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
Capturing Wi-Fi WLAN Packets in Wireshark on Linux Read More »
Post Views: 4,790 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
Capturing Wi-Fi WLAN Packets on Windows for Free! Read More »
Post Views: 23,770 For those of you who love Wireshark and are supporting Wi-Fi Wireless networks, we would like to offer a great default profile for WiFi. Let’s make no bones about this capturing and analyzing Wi-Fi traffic is not as easy (you have to be in Monitor Mode) as just selecting this profile
A Wireshark Wi-Fi WLAN Troubleshooting Configuration Profile Read More »
Post Views: 1,700 Here is what you need to know with regards to the Configuration Register in Cisco IOS. All Cisco routers have a 16-bit software register in NVRAM. The default is for Cisco routers to load Cisco IOS from FLASH MEMORY and to look for and load the STARTUP-CONFIG file from NVRAM. Some Reference
Configuration Register in Cisco IOS Explained Read More »
Post Views: 2,278 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 Wireshark is a great graphical tool for performing packet analysis and we all agree that the GUI is wonderful, especially the new 2.x interface and later. But,
How to use tshark – a starting point Read More »
Post Views: 7,417 This article was originally written in 2010. As Thanksgiving 2010 quickly approaches, we are reminded to give thanks for everything we have, no matter how small. This requires that you look back and consider where you have been and what you have accomplished. Understandably, the memories aren’t all that great in every
The BBS – Bulletin Board System – Before App Stores and Email Read More »
Post Views: 795 The following is a technical SWOT analysis for Network Engineers, Security Engineers, and Senior Technicians. I apologize for the high number of acronyms used below, but hey, this is networking! In networking, Zero-Trust is not a single product or control. It’s an architecture and operating model where no network location (LAN, WAN,
Zero-Trust Networking & Converged Security Read More »
Post Views: 1,538 Many technicians and network engineering staff, as well as IT staff, often need to “tap” into the Ethernet to capture and troubleshoot network traffic. A full-duplex tap (also called a network tap) is a hardware device placed inline on an Ethernet link that allows network engineers to capture all traffic traveling in
Ethernet Taps to Capture Network Traffic Read More »
Post Views: 1,628 Great question. In one sentence it is a purple tool, meaning both! Wireshark itself is a passive tool, it is non-intrusive — it doesn’t create attacks — but it’s a force multiplier for both Red and Blue Teams depending on who controls the capture point and how the data is used. Let
Is Wireshark a Red Team or Blue Team Tool? Read More »
Post Views: 959 This has been a common question I get asked over the years. Frankly, I confess that I may have answered differently depending on my mood the day I was asked!! I got asked this again recently and decided to put fingers to keyboard and answer with the plusses and minuses. My answers
Should you get Certified? Read More »
