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Month: March 2024
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Cisco Firewall Migration Paths
Update Date Added additional migration options for some of the announced EoL devices. 27/03/2024 Added additional migration options for organisations that want to skip the 2100 series. 27/03/2024 Change Log This article aims to highlight the possible migration paths from Cisco Firewalls that have been announced End of Life (EoL)…
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Graylog vs Wazuh Syslog Output Observations
Recently I’ve been working with Wazuh to forward syslog from network devices using Rsyslog. Usually, I would send syslog to a dedicated SIEM but I wanted to test the out-of-the-box functionality of the Wazuh’s open-source XDR and SIEM. Upon configuring a network device with syslog and viewing those logs on…
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Configure Rsyslog for Logging to Wazuh
In this article, we will take a look at how to configure a Linux server with Rsyslog so that we can receive syslog events from network devices before sending them to Wazuh’s unified XDR and SIEM. Prerequisites Configure Rsyslog Modify the following to remove the ‘#’ if you would like…
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Talk to the Dead with AI
The use of Artificial Intelligence (AI) has greatly increased in the past year and is expected to keep growing. AI is being used for various things like chatbots and creating videos from text. One surprising use of AI is communicating with the deceased, or at least simulating it. Project December claims…
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How to Capture the DNS Query Count from a Windows Server
In this article we will take a look at how to capture the number of DNS queries that a Windows server receives. Prerequisites Steps To get the best results, I would recommend leaving debugging on for at least 24 hours. Once you’ve got the results needed, I recommend disabling debug…
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How to Determine the Number of Cisco Umbrella Seats Required
Change Log Change Date Added a new section ‘Calculating SIG Usage’ 18/03/24 One thing that I find is often overlooked, misunderstood or not really understood from the very start is how to determine the number of seats required for an Umbrella subscription. Now, in my opinion, I can see why…
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Cisco Secure Email Solutions Summary
A quick summary document covering the different email security offerings from Cisco as of March 2024.
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How Cisco ISE Virtual Machines Licenses Work
With the introduction of Cisco ISE 3.0, the licensing model has changed from small, medium, and large VM licenses to a single ‘VM Common’ license (SKU: R-ISE-VMC-K9=) applicable for all ISE virtual machines running on non-Cisco hardware. Existing customers will see their old VM licenses converted to VMC licenses when…
