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From "David Capwell (Jira)" <j...@apache.org>
Subject [jira] [Updated] (CASSANDRA-16859) allow blocking IPs from updating metrics about traffic
Date Mon, 16 Aug 2021 23:16:00 GMT

     [ https://issues.apache.org/jira/browse/CASSANDRA-16859?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

David Capwell updated CASSANDRA-16859:
--------------------------------------
    Change Category: Operability
         Complexity: Low Hanging Fruit
      Fix Version/s: 4.1
             Status: Open  (was: Triage Needed)

> allow blocking IPs from updating metrics about traffic
> ------------------------------------------------------
>
>                 Key: CASSANDRA-16859
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-16859
>             Project: Cassandra
>          Issue Type: Improvement
>          Components: Observability/Metrics
>            Reporter: David Capwell
>            Assignee: David Capwell
>            Priority: Normal
>             Fix For: 4.1
>
>
> It is common that network scans happen for some companies, and when these scans happen
they will send packets to the Cassandra ports which do not match our protocol; when this happens
we fail and increment metrics to show this.  To avoid these scans polluting our metrics, we
should allow users to block their own IP subnets from updating these metrics.



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