If you are configuring the SMTP setting on Cisco ISE, you may have found an interesting error when complete this configuration —> Connection to smtp.domain.com failed. Could not connect to SMTP Server, SSL Error. Please check the trusted certificates.
In this case the issue is that Cisco ISE has to trust the connection with Microsoft 365, since we are doing the connection with MS365 recommended settings as follows:
There is a constant evolution of security technologies and also Security threats, which makes the need for additional and enhanced visibility of the network. Cisco keeps on improving its Security portfolio, and this time I’m looking more closely at the Cisco Identity Services Engine. At a first glance, to me it looked like just an 802.1x solution with very complicated features.
I decided that I wanted to get more involved, and I have been working with the product for the last month in a more serious note this time, trying to understand the product I decided to make a list with important Features that are packed into the solution