SUMMARY STEPS TO REPRODUCE 1. Pair the computers with KDE 2. Transfer a file from one computer to another OBSERVED RESULT A notification will be launched of the file transfer in progress, however, the progress never starts. EXPECTED RESULT The file should be transferred. SOFTWARE/OS VERSIONS Linux/KDE Plasma: 20.04.1 TLS KDE Plasma Version: 5.18.5 KDE Frameworks Version: 5.68.0 Qt Version: 5.12.8 ADDITIONAL INFORMATION The pairing of the devices also dissapear after a reboot or after clickling the "Refresh" button. The devices are not stored as trusted devices. This behavior does not happen for the phone, with the Android phone everythin works fine, including the files transfer.
This was resolved updating the openssl and libssl libraries. In newer Ubuntu versions, issue is not present.