Plugin Title | Open Hadoop HDFS NameNode Metadata Service |
Cloud | ORACLE |
Category | Networking |
Description | Determine if TCP port 8020 for HDFS NameNode metadata service is open to the public. |
More Info | While some ports such as HTTP and HTTPS are required to be open to the public to function properly, more sensitive services such as Hadoop/HDFS should be restricted to known IP addresses. |
ORACLE Link | https://docs.cloud.oracle.com/iaas/Content/Network/Concepts/securitylists.htm |
Recommended Action | Restrict TCP port 8020 to known IP addresses for Hadoop/HDFS. |