I can bet Please install JAVA and Flash plugin to continue... ):
Oh lord. Even Supermicro BMCs from 2020 still have Java applet support. On the plus side, it only does TLS v1.2 and serves certificates properly. Let's ignore that it's also very, very slow.
Edit: APC NMC2/3 don't allow of loading of conventional PEM PKCS#8 certificates. They require proprietary variations of "PKCS#12" certs and have no readily-available tool to change them. Also, APC's new owner has switched to a business model where they charge for firmware updates and refuse to patch devices without $$$$.
Oh lord. Even Supermicro BMCs from 2020 still have Java applet support. On the plus side, it only does TLS v1.2 and serves certificates properly. Let's ignore that it's also very, very slow.
Edit: APC NMC2/3 don't allow of loading of conventional PEM PKCS#8 certificates. They require proprietary variations of "PKCS#12" certs and have no readily-available tool to change them. Also, APC's new owner has switched to a business model where they charge for firmware updates and refuse to patch devices without $$$$.