It seems issue happend at Minemeld side.
This is error from Qradar Threat Intell app "There is a problem connecting to the TAXII server. Verify that the TAXII server is available. Get list of collections failed."
This is error from Minemeld (/opt/minemeld/log/minemeld-web.log)
"POST /taxii-discovery-service HTTP/1.0" 200 1658 "-" "Qradar TI App/126.96.36.19970824002606"
Note: MM is run over HTTP.
Click Accept as Solution to acknowledge that the answer to your question has been provided.
The button appears next to the replies on topics you’ve started. The member who gave the solution and all future visitors to this topic will appreciate it!
These simple actions take just seconds of your time, but go a long way in showing appreciation for community members and the LIVEcommunity as a whole!
The LIVEcommunity thanks you for your participation!