If the derby.drda.securityMechanism property is set to a valid mechanism, the Network Server accepts only connections which use that security mechanism. No other types of connections are accepted. If the derby.drda.securityMechanism property is not set, the Network Server accepts any connection which uses a valid security mechanism.
derby.drda.securityMechanism = [ USER_ONLY_SECURITY | CLEAR_TEXT_PASSWORD_SECURITY | ENCRYPTED_USER_AND_PASSWORD_SECURITY | STRONG_PASSWORD_SUBSTITUTE_SECURITY ]
derby.drda.securityMechanism=USER_ONLY_SECURITYThe server that runs with this setting accepts only client connections with the USER_ONLY_SECURITY value.
Static. You must restart the Network Server for the changes that are associated with this property to take effect.