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https://issues.apache.org/jira/browse/KNOX-2917?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Pratyush Bhatt updated KNOX-2917:
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> [Ozone-Knox] Port blocking on one SCM Instance blocks all the SCM UI Nodes
> --------------------------------------------------------------------------
>
> Key: KNOX-2917
> URL: https://issues.apache.org/jira/browse/KNOX-2917
> Project: Apache Knox
> Issue Type: Bug
> Reporter: Pratyush Bhatt
> Priority: Major
>
> ozone.scm.https-port is set as 9877
> Blocked the port on one of the SCM Instance
> {noformat}
> [root@ozn-kx4-3 ~]# sudo iptables -L
> Chain INPUT (policy ACCEPT)
> target prot opt source destination
> Chain FORWARD (policy ACCEPT)
> target prot opt source destination
> Chain OUTPUT (policy ACCEPT)
> target prot opt source destination
> [root@ozn-kx4-3 ~]# sudo iptables -A INPUT -p tcp --dport 9877 -j DROP
> [root@ozn-kx4-3 ~]# sudo iptables -L
> Chain INPUT (policy ACCEPT)
> target prot opt source destination
> DROP tcp -- anywhere anywhere tcp dpt:9877
> Chain FORWARD (policy ACCEPT)
> target prot opt source destination
> Chain OUTPUT (policy ACCEPT)
> target prot opt source destination{noformat}
> The affected node is getting 500, which is correct, but along with that other
> two SCM Instances are also throwing the same even when the port is not
> blocked there.
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