When connecting to the Neo4j Browser
http://localhost:7474 and using Internet Explorer 11, submission of
cypher statements may result
in error message
Security Error: 18
As the Neo4j Browser is using websockets to connect , for example ws://localhost, you would need to add ws:\\localhost\ to Internet Explorer configurations ( Internet Options / Security / Local Intranet / Sites / Advanced) and as depicted.
To access the Internet Explorer configuration click the gears icon in the upper right corner of the browser.