Cisco Community
English
Register
Register
cancel
Turn on suggestions
Auto-suggest helps you quickly narrow down your search results by suggesting possible matches as you type.
Showing results for 
Search instead for 
Did you mean: 
cancel
Announcements
639
Views
0
Helpful
0
Replies
razelsantos24
Beginner
Beginner
‎06-03-2019 10:15 PM
‎06-03-2019 10:15 PM

Error on Cisco Observable

We have received an alert from cisco observable with the following description:

This source normally doesn't talk to external devices, but has recently.

 

The device in question is a cisco 8851 desk phone.

The device is always plugged in to the network and no update was being run. 

The device is still working but would be great to know why this alert randomly show up.

 

Any type of advice would be much appreciated. 

Labels:
0 Helpful
0 REPLIES 0
Latest Contents
Email Security - QuoVadis Root Certificate Decommission Migh...
Created by dmccabej on 03-30-2021 09:32 AM
0
0
0
0
Problem Description For all versions of the Email Security Appliance (ESA) and Security Management Appliance (SMA), some Secure Sockets Link (SSL) certificates issued from the QuoVadis root certificate authority (CA) trust chain before 2021-03-31 cannot b... view more
ISE REST APIs Webinar: April 6/7, 2021
Created by thomas on 03-25-2021 07:57 PM
1
5
1
5
  Register Now Automation and programmability for networking and security are increasingly important topics. Every release since ISE 1.2 has included new REST API capabilities to better automate and integrate ISE with the rest of your network, appli... view more
FMT 2.3.4 adding ASA migrations of S2S VPN in public beta
Created by William_Hansch on 03-22-2021 08:00 AM
1
10
1
10
The latest iteration (v2.3.4) of the Cisco Secure Firewall Migration Tool adds public beta support for S2S VPN migrations from ASA: Policy-based (crypto map) Pre-Shared key authentication type VPN configuration to Firepower Management Center VP... view more
What's New for Cisco Defense Orchestrator (CDO)
Created by Andrew Mallio on 03-22-2021 04:40 AM
1
40
1
40
Cisco Defense Orchestrator (CDO) is a cloud-based, multi-device manager that manages security products like Adaptive Security Appliance (ASA), Firepower Threat Defense next-generation firewall, and Meraki devices, to name a few.  We make improvement... view more
ISE Data limiting best practices
Created by Jonathan Casillas on 03-18-2021 04:34 PM
0
5
0
5
Intro This document presents the ISE data limiting best practices that can dramatically improve the system performance on ISE. Symptoms Your deployment may be impacted if the alarms tab on ISE shows High load average, high CPU or high memoy usage alarm... view more
Content for Community-Ad

This widget could not be displayed.