Recently due to several issues I had with Sourcefire 6.0 code, I went through downgrade exercise taking it back down to version 5.4. With Sourcefire, there is no simple way to roll back from one version to another. Configuration backup helps with Defense Center however Sensors can not be rolled back to the previous …
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Cisco ISE has huge reporting section but only a few of the reports are useful to me. So the need came up for a flexible searching and reporting tool. Splunk seemed to be a great candidate especially since it has all the plugins available and Cisco Security Suite App adds …
Recently I’ve discovered that Apple i-Devices (iPhone’s and iPad’s particularly) will not work well when provisioned for EAP-TLS with Single broadcasted SSID. In my case device would successfully complete provisioning for certificate based authentication but re-authenticate again as PEAP. One of the workarounds was to forget SSID after provisioning and …
In this post, I’ll write about my experience with Sourcefire 6.0 upgrade. Upgrade file became available on 11/11/2015 and at the time of writing it’s been out for a few month which is “theoretically” enough time to consider a cautious transition from 5.4.x into 6.0 environment. Components: Cisco Sourcefire Defense …
In this post I’ll cover the steps you can take to troubleshoot Cisco ISE posture update failures or client package download errors. You may see these errors on fully functioning system post major upgrade or after importing trusted root/intermediate certificate. Error messages will be different but they all will indicate …