Failed Connection under devmode:

Enpass Web Extension logs (tried both Firefox and Chrome):

12/27/2020, 8:32:25 PM : Connecting using websocket
12/27/2020, 8:32:25 PM : Opening connection on ws://127.0.0.1:10392
12/27/2020, 8:32:25 PM : Opening connection on ws://127.0.0.1:10393
12/27/2020, 8:32:25 PM : Opening connection on ws://127.0.0.1:10394
12/27/2020, 8:32:25 PM : Opening connection on ws://127.0.0.1:10395

Packet Capture:

Enpass Connection Failed Edited.pcapng

Working connection from the APT repo (and classic confinement):

Enpass Web Extension logs:

		12/27/2020, 8:50:58 PM : Connecting using websocket
    12/27/2020, 8:50:58 PM : Opening connection on ws://127.0.0.1:10391
    12/27/2020, 8:50:58 PM : Connection opened
    12/27/2020, 8:50:58 PM : Connection established on port 10391
    12/27/2020, 8:50:58 PM : Message parsed successfully
    12/27/2020, 8:50:58 PM : Greetings from Enpass
    12/27/2020, 8:50:58 PM : Self Initiating srp.
    12/27/2020, 8:50:58 PM : Authentication required
    12/27/2020, 8:50:58 PM : Termnating srp initialization process.
    12/27/2020, 8:51:16 PM : Message parsed successfully
    12/27/2020, 8:51:16 PM : Initializing srp.
    12/27/2020, 8:51:16 PM : Authentication required
    12/27/2020, 8:51:16 PM : Termnating srp initialization process.
    12/27/2020, 8:51:20 PM : Message parsed successfully
    12/27/2020, 8:51:20 PM : srp in progress
    12/27/2020, 8:51:20 PM : Message parsed successfully
    12/27/2020, 8:51:20 PM : srp still in progress.
    12/27/2020, 8:51:20 PM : Message parsed successfully
    12/27/2020, 8:51:20 PM : srp established

Packet Capture:

Enpass Connection Success Edited.pcapng