iLO 2 is stuck on TLS 1.0 and iLO 3 on TLS 1.1 forever. Firefox with deprecated TLS (separate profile) or Edge in IE mode opens the console; over SSH you can enforce AES and regenerate the certificate.
iLO 1 (1.96), iLO 2 (2.33), iLO 3 (1.94) and iLO 4 (2.82) will not change again; iLO 5, 6 and 7 are still alive. Direct links, how to extract the .bin, and the intermediate steps.
The HPE repo no longer talks HTTP, the GPG key in every guide is the old one, and the ‘repo removed’ warning is false. Here is the sources.list with HTTPS and the correct GPG-KEY2-mcp.
iLO CLP cheat sheet: accounts, network, virtual media, and power.
GET https:///xmldata?item=CpqKey and pull the key out of the XML.
iLO web UI is dead. Serve the .bin over HTTP and load it from the SSH session.