Author Archives: fitz

What you can and can’t do with Wireshark

Generally speaking, when it comes to packet capture tools, many people think of “Wireshark” first. And to be honest it is a very useful tool with great filtering and analytic capabilities. So why do you need paid tools? Two features … Read More

THE NEED FOR A DDI SOLUTION

…AND THE PROBLEM WITH RELYING ON MICROSOFT ALONE It’s an interesting problem that we are seeing time and time again. Companies (and I’m not talking small ones either) relying on Microsoft to be their IP Address Management tool or to … Read More

IDC 2021 DNS Threat Report

Importance of Granular Monitoring

Ensuring IT networks have true visibility to performance All too often we have conversations with organisations that say that their current toolset provides them with what they need. However, invariably we have follow up discussions around untraceable performance degradation or … Read More

What is DHCP Fingerprinting?

DHCP Fingerprinting is a technique for identifying the requester of a DHCP lease. This process is linked to getting an IP address on a network. DHCP Fingerprinting is performed through the analysis of the DHCP exchanged frames and their content. … Read More

New DNS Vulnerability – NXNSAttack

A new vulnerability on DNS has been published today, called NXNSAttack.

The vulnerability is very well documented by Lior Shafir, Yehuda Afek and Anat Bremler-Barr. … Read More

McGill University’s Network Transformation

An Approach to a Unified DDI Environment Preamble Whilst this technical write up around why a specific DDI (DNS, DHCP & IP Address Management) was chosen is a couple of years old we are seeing network refreshes starting to occur … Read More

Troubleshoot network issues with Colasoft

Analysing Packet Loss

Locate the Source of Packet Loss with a Network Analyser Packet loss is usually difficult to troubleshoot, especially when only armed with open source tools like Wireshark. Sure power users of Wireshark can be extremely effective however for the average … Read More

Ekahau Wi-Fi Design Day

Wi-Fi Lifecycle Support What a great event. So many good speakers and our presentation at the Sydney Wi-Fi Design Day (#wifidesignday) seemed to go down well. Everything from WPA3 standards to Wi-Fi6 and associated demos, the Design Day this year … Read More

How can you troubleshoot your network issues and improve its security with a limited budget and a laptop?

Network issues and security problems can happen at any point, particularly when you are not prepared to respond appropriately and fast. To investigate these issues, you’ll need access to your network for 100% visibility of what is causing the problem. … Read More