As you start blocking spoofed emails based on configuration from the previous post you may need to make a few adjustments to your Incoming Content Filter. One of the them is to change final action for spoofed email from Drop and Discard to Quarantine. This may be needed to store …
Author: admin
Recently there’s been an increase in e-mail scams in which the attacker spoofs a message from the C-Level executive and tricks someone at the organization into wiring funds to the schemers. FBI alert and this article go in a lot of details about this attack. My post will be about …
Cisco ASA was failing SHA2 identity certificate import with the following error: Import PKCS12 operation failed. Components: Cisco ASA: 8.3(2) The issue turned out to be related to an older version of the code. After upgrade to 8.4(7)-30 certificate import was successful. Update: 9.8(4)43 – ASA reboot fixed this issue. …
Your Cisco ISE Posture Updates may be failing with the following error: unable to find valid certification path to requested target. This is happening due to missing trusted root and intermediate certificates and can be fixed by importing GeoTrust root and intermediate into the trusted certificate store. Components: Cisco ISE: …
A short post about adding licenses to Sourcefire Defense Center (DC). When you order licenses for Sourcefire Sensors most of the time they come one per feature key (Protect+Control, URLFilter or Malware) and you install it by copy/pasting the key. But sometimes you may get it combined all in one …