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https://issues.apache.org/jira/browse/SOLR-14148?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17718740#comment-17718740
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Jan Høydahl commented on SOLR-14148:
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Is this something we should consider for solr 10.0? If users start opening only
for traffic from expected addresses / ranges, i.e. application hosts, then Solr
can only be attacked from those hosts, not from an arbitrary host in the entire
network.
> enable IP access control by default
> -----------------------------------
>
> Key: SOLR-14148
> URL: https://issues.apache.org/jira/browse/SOLR-14148
> Project: Solr
> Issue Type: Improvement
> Reporter: Robert Muir
> Priority: Major
>
> Currently network access is wide-open to the world and the user has to
> "secure" it through steps on the [securing solr
> page|https://solr.apache.org/guide/solr/latest/deployment-guide/securing-solr.html].
> Instead the user is asked to explicitly "tune a firewall"... these are not
> good defaults.
> It would be much better if access was restricted by default via ACL (e.g. to
> {{{}127.0.0.0/8, [::1]{}}}), and the user instead explicitly grants access to
> hosts/networks that should have it. Similar to PostgreSQL's
> {{{}pg_hba.conf{}}}. Just like {{{}pg_hba.conf{}}}, this is separate from
> what interfaces are bound to by default.
> We could remove the IP-based ACL step from securing solr page, and even
> change or remove the "firewall" wording at the top.
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