IHC / ELKO controllers supports only TLSv1
Goto (For my ubuntu installation at least) sudo nano /etc/java-11-openjdk/security/java.security and remove “TLSv1” from the line jdk.tls.disabledAlgorithms=
In my case from:
jdk.tls.disabledAlgorithms=SSLv3, TLSv1, TLSv1.1, RC4, DES, MD5withRSA,
DH keySize < 1024, EC keySize < 224, 3DES_EDE_CBC, anon, NULL,
include jdk.disabled.namedCurves
To:
jdk.tls.disabledAlgorithms=SSLv3, TLSv1.1, RC4, DES, MD5withRSA,
DH keySize < 1024, EC keySize < 224, 3DES_EDE_CBC, anon, NULL,
include jdk.disabled.namedCurves
BR
Lars