Joe McDonnell has uploaded this change for review. ( 
http://gerrit.cloudera.org:8080/18654


Change subject: IMPALA-11240: Change default ssl_cipher_list to eliminate 
insecure ciphers
......................................................................

IMPALA-11240: Change default ssl_cipher_list to eliminate insecure ciphers

The current default value for ssl_cipher_list is empty, which
allows any cipher supported by the operating system's OpenSSL
version. On several operating systems, this includes several
known weak ciphers, such as those based on RC4.

This changes the default to match what is used by Kudu,
which is based on Mozilla's intermediate compatability
level:
https://wiki.mozilla.org/Security/Server_Side_TLS

Users can get the old behavior by setting the ssl_cipher_list="".

Tests:
 - Ran core tests

Change-Id: I69fbfdbca3640b50d90e943f4d5c63fbc9cb1e76
---
M be/src/service/impala-server.cc
1 file changed, 3 insertions(+), 1 deletion(-)



  git pull ssh://gerrit.cloudera.org:29418/Impala-ASF refs/changes/54/18654/1
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Gerrit-Project: Impala-ASF
Gerrit-Branch: master
Gerrit-MessageType: newchange
Gerrit-Change-Id: I69fbfdbca3640b50d90e943f4d5c63fbc9cb1e76
Gerrit-Change-Number: 18654
Gerrit-PatchSet: 1
Gerrit-Owner: Joe McDonnell <[email protected]>

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