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 …
Category: Troubleshooting
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 …
Recently I had to upgrade Cisco Ironport ESA from 9.1 to 9.7.0. As we know during the upgrade machine gets disconnected from the cluster and later needs to be joined back in manually. Upgrade took place as expected without any issues, machines reconnected back to the cluster but CONNSTATUS command …
Sometimes Ironport Email Security Appliance (ESA) will generate an application fault alert with minimal or totally useless information for us. Most of the time this alert can only be explained by TAC engineer. One of this app faults may look similar to the following: An application fault occurred: (‘egg/quarantine_smtp.py send_xmetadata|592’, “<type …
Recently I had to upgrade the code on remote Cisco ASA pair in order to resolve a bug in FirePOWER module. ASA was 100% functional and fully operational. I’ve copied the code and prepared to reload the standby unit. When I’ve executed reload command nothing happened. I thought it was …