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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 23:45:00 GMT

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

David Capwell updated CASSANDRA-16859:
--------------------------------------
    Test and Documentation Plan: unit test and cluster testing
                         Status: Patch Available  (was: Open)

> 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
>
>          Time Spent: 10m
>  Remaining Estimate: 0h
>
> 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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