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antirez authored
So far it was not possible to setup Sentinel with authentication enabled. This commit introduces this feature: every Sentinel will try to authenticate with other sentinels using the same password it is configured to accept clients with. So for instance if a Sentinel has a "requirepass" configuration statemnet set to "foo", it will use the "foo" password to authenticate with every other Sentinel it connects to. So basically to add the "requirepass" to all the Sentinels configurations is enough in order to make sure that: 1) Clients will require the password to access the Sentinels instances. 2) Each Sentinel will use the same password to connect and authenticate with every other Sentinel in the group. Related to #3279 and #3329.
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