SessionExpired: WebSocket connection failure

Connection to remote neo4j does not work:
SessionExpired: WebSocket connection failure. Due to security constraints in your web browser, the reason for the failure is not available to this Neo4j Driver. Please use your browsers development console to determine the root cause of the failure. Common reasons include the database being unavailabl

Yep, I tried different configuration playing with these options:

# Bolt connector
dbms.connector.bolt.enabled=true
#dbms.connector.bolt.tls_level=DISABLED
dbms.connector.bolt.advertised_address=:7687

# Bolt connector
dbms.connector.bolt.enabled=true
#dbms.connector.bolt.tls_level=DISABLED
dbms.connector.bolt.advertised_address=0.0.0.0:7687

# Bolt connector
dbms.connector.bolt.enabled=true
#dbms.connector.bolt.tls_level=DISABLED
dbms.connector.bolt.advertised_address=some_ip_address:7687

# Bolt connector
dbms.connector.bolt.enabled=true
dbms.connector.bolt.tls_level=OPTIONAL
dbms.connector.bolt.advertised_address=some_ip_address:7687

Nothing works.
Shoul'd you just stay with http instead of some exotic 'bolt'....