It looks like you have to pass the "--no-dtls" option to openconnect, to disable DTLS entirely. It'll still auth over SSL, and your VPN connection will work without DTLS. I suspect they just haven't implemented DTLS on the devnet side, and the res...
You might want to take a look at using Splunk along with our CDR Reporting product running on Splunk -- "Cisco CDR Reporting and Analytics" ( https://sideviewapps.com/apps/cisco-cdr-reporting-and-analytics/ )
1) In that app the best way to solve ...