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Problem Cisco ASA presents the following error while trying to connect to the device via SSH: Reason The reason for this message is because there is no RSA key pair to present to users connecting via SSH. Solution Generate an RSA key pair for the ASA using the following command:…
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…
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…
A quick summary document covering the different email security offerings from Cisco as of March 2024.
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…
I felt inclined to write this article because I want to let ISE customers know that the countdown to ISE 3.x is on. Yes, that’s right – and just in case you’ve been living under a rock for the past few years and your still running ISE 2.7 (hopefully nothing…
I’ve come across instances where new Firepower devices will not register configured interfaces. The issue seems to be related to ESXi 8.0 as it doesn’t support VMXNET interfaces. The workaround for this issue is to do the following: After taking these steps, the Firepower device should return to normal behaviour…