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JDK-8012679 : Let allow_weak_crypto default to false
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Java supports the krb5.conf allow_weak_crypto setting. When it's true, weak etypes (i.e. DES-related ones) are enabled. The current default value is true. According to RFC 6649, it should be false now.
scope: Java SE
text: The DES-related Kerberos 5 encryption types are not supported by default. Users can enabled them by adding allow_weak_crypto=true in krb5.conf but DES-related etypes are considered highly insecure today and they should be avoided by all means.
provided test cased test/sun/security/krb5/auto/DupEtypes.java
have passed from B92 to B95 in 1.8