Draft post — "Cisco ASA 5505 ASDM/IDM Launcher Download"
The launcher will then load the full graphical interface for your ASA 5505.
The ASA 5505 was built for Java 7 and 8. Modern Java 11+ will break it. Even with Java 8, you must lower security settings. cisco asa 5505 asdm-idm launcher download
Method A: Use the ASA’s Built-in Web Server (Legacy Fallback)