Solved : Cisco [Authentication failed due to problem verifying server certificate? ] Ubuntu
Hello Guys are you facing issue to connect VPN in Ubuntu OS recently? Are you facing Authentication failed due to problem verifying server certificate? Recently I was facing this issue in my Ubuntu OS. Solution: As suggested by one of my friend who loved opensource product much. Here is some ca-certificate related update released from Ubuntu recently. So I update the ca- certificate using below command and its working fine for me. $sudo apt update $sudo apt dist-upgrade And now its working fine for me. Hope this is useful to you people also. `