Tried with local host and IP.

Username: ^Cinterrupted!
linux:~/release-tools # osc -dA http://192.168.161.79:81 ls fakeobs:Core:i586

the apiurl 'http://192.168.161.79:81' does not exist in the config file. Please enter
your credentials for this apiurl.

Username: hack
Password:
WARNING: SSL certificate checks disabled. Connection is insecure!

GET http://192.168.161.79:81/source/fakeobs:Core:i586
Failed to reach a server:
[Errno 111] Connection refused
linux:~/release-tools #