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Posted to dev@zookeeper.apache.org by "nijel (JIRA)" <ji...@apache.org> on 2015/08/04 07:09:04 UTC

[jira] [Created] (ZOOKEEPER-2238) Support limiting the maximum number of connections/clients to a zookeeper server.

nijel created ZOOKEEPER-2238:
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             Summary: Support limiting the maximum number of connections/clients to a zookeeper server.
                 Key: ZOOKEEPER-2238
                 URL: https://issues.apache.org/jira/browse/ZOOKEEPER-2238
             Project: ZooKeeper
          Issue Type: Improvement
            Reporter: nijel


Currently zookeeper have the feature of limiting the maximum number of connection/client  per IP or Host (maxClientCnxns).

But to safe guard zookeeper server from DoS attack due to many clients from different IPs,  it is better to have a limit of total number of connections/clients to a a single member of the ZooKeeper ensemble as well.

So the idea is to introduce a new configuration to limit the maximum number of total connections/clients.

Please share your thoughts.



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