Github user aarondav commented on a diff in the pull request: https://github.com/apache/spark/pull/5377#discussion_r29121561 --- Diff: network/common/src/main/java/org/apache/spark/network/sasl/SparkSaslServer.java --- @@ -75,11 +81,20 @@ private final SecretKeyHolder secretKeyHolder; private SaslServer saslServer; - public SparkSaslServer(String secretKeyId, SecretKeyHolder secretKeyHolder) { + public SparkSaslServer( + String secretKeyId, + SecretKeyHolder secretKeyHolder, + boolean alwaysEncrypt) { this.secretKeyId = secretKeyId; this.secretKeyHolder = secretKeyHolder; + + String qop = alwaysEncrypt ? QOP_AUTH_CONF : String.format("%s,%s", QOP_AUTH_CONF, QOP_AUTH); --- End diff -- I assume this is a comma-separated list of the supported formats, for negotiation? Maybe add a comment to this effect.
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