How can I delete an expired CA ?

Hello, I'm facing a problem on UTM 9 (las version). I can't delete a CA from the WebAdmin. The button isn't display, the icon of the CA isn't the same as the others. For exemple, ohters CA look...
install fail2ban on utm9

i saw a thread thats 8 years old, so someone did it, but i guess till now, thats kinda outdated. anyone here who installed it in that "last year" ? thanks
Too many failed logins from xx.xx.xx.xx for facility portal. UTM9

I have observed a significant number of failed login attempts originating from the IP address xx.xx.xx.xx on the facility portal. This may indicate unauthorized access attempts or a potential security...
How to https://sites.google.com/site/unblockedgames77

How to sites.google.com/.../unblockedgames77
Too many failed logins 45.140.17.26 How possible

I am using UTM 9.720.5, which is the newest firmware. I know, it is a Russian IP and I am not the only one which tried to be hacked! Under WebAdmin I have only allowed access from the internal network...