diff --git a/en/azure/networksecuritygroups/open-hadoop-hdfs-namenode-metadata-service.md b/en/azure/networksecuritygroups/open-hadoop-hdfs-namenode-metadata-service.md index 6eb1cc390..1811c7173 100644 --- a/en/azure/networksecuritygroups/open-hadoop-hdfs-namenode-metadata-service.md +++ b/en/azure/networksecuritygroups/open-hadoop-hdfs-namenode-metadata-service.md @@ -15,16 +15,14 @@ | **Recommended Action** | Restrict TCP port 8020 to known IP addresses for Hadoop/HDFS. | ## Detailed Remediation Steps - - -1. Log into the Microsoft Azure Management Console. -2. Select the "Search resources, services, and docs" option at the top and search for Network security groups.
+1. Log in to the Microsoft Azure Management Console. +2. Click the search bar at the top and search for Network security groups.
3. Select the "Network security group" that needs to be verified.
4. Click on the "Name" of the selected "Network security group" to access the port configurations.
5. In the "Overview" tab scroll down the page and check the "Inbound security rules" under the "Settings".
-6. If the "Hadoop/HDFS" for port 8020 with the protocol "TCP" is showing as "Allow" for all "Source" and "Destination" then the selected "Network security group" has TCP port 8020 for Hadoop/HDFS is open to the public.
-7. Repeat steps number 2 - 6 to verify other "Network security group."
-8. Navigate to the "Network security group" and select the security group that needs to modify for restricting the "TCP" port for "Hadoop/HDFS" on port 8020 to specific IP Address.
+6. If the "Hadoop/HDFS" for port 8020 with the protocol "TCP" is showing as "Allow" in column "Action" for all "Source" and "Destination" then the selected "Network security group" has TCP port 8020 for Hadoop/HDFS open to the public.
+7. Repeat steps number 2 - 6 to verify other "Network security groups".
+8. Navigate to the "Network security group" and select the security group that needs to modified for restricting the "TCP" port for "Hadoop/HDFS" on port 8020 to specific IP Address.
9. Scroll down the left navigation panel and choose "Inbound security rules" under "Settings."
-10. Click on the "Hadoop" protocol in the "Name" column and under "Source" select the "IP Address" from the dropdown menu and enter the "Source IP addresses/CIDR ranges" as per the requirement, select the required Protocol and Action and click on the "Save" option at the top panel.
-11. Repeat steps number 8 - 10 to restrict TCP port 8020 for Hadoop/HDFS to known IP addresses.
+10. Click on the "Hadoop" protocol in the "Name" column and in the right pane under "Source" select the "IP Addresses" from the dropdown menu and enter the "Source IP addresses/CIDR ranges" as per the requirement, select the required Protocol and Action and click on the "Save" option at the top of the pane.
+11. Repeat step number 8 - 10 to restrict TCP port 8020 for Hadoop/HDFS to known IP addresses.
diff --git a/resources/azure/networksecuritygroups/open-hadoop-hdfs-namenode-metadata-service/step10.png b/resources/azure/networksecuritygroups/open-hadoop-hdfs-namenode-metadata-service/step10.png index 5d0209603..02e076db6 100644 Binary files a/resources/azure/networksecuritygroups/open-hadoop-hdfs-namenode-metadata-service/step10.png and b/resources/azure/networksecuritygroups/open-hadoop-hdfs-namenode-metadata-service/step10.png differ diff --git a/resources/azure/networksecuritygroups/open-hadoop-hdfs-namenode-metadata-service/step2.png b/resources/azure/networksecuritygroups/open-hadoop-hdfs-namenode-metadata-service/step2.png index 05f7c3ab2..0582b1718 100644 Binary files a/resources/azure/networksecuritygroups/open-hadoop-hdfs-namenode-metadata-service/step2.png and b/resources/azure/networksecuritygroups/open-hadoop-hdfs-namenode-metadata-service/step2.png differ diff --git a/resources/azure/networksecuritygroups/open-hadoop-hdfs-namenode-metadata-service/step3.png b/resources/azure/networksecuritygroups/open-hadoop-hdfs-namenode-metadata-service/step3.png index 6faba374f..7624fee78 100644 Binary files a/resources/azure/networksecuritygroups/open-hadoop-hdfs-namenode-metadata-service/step3.png and b/resources/azure/networksecuritygroups/open-hadoop-hdfs-namenode-metadata-service/step3.png differ diff --git a/resources/azure/networksecuritygroups/open-hadoop-hdfs-namenode-metadata-service/step4.png b/resources/azure/networksecuritygroups/open-hadoop-hdfs-namenode-metadata-service/step4.png index 7ebb83443..050bbda78 100644 Binary files a/resources/azure/networksecuritygroups/open-hadoop-hdfs-namenode-metadata-service/step4.png and b/resources/azure/networksecuritygroups/open-hadoop-hdfs-namenode-metadata-service/step4.png differ diff --git a/resources/azure/networksecuritygroups/open-hadoop-hdfs-namenode-metadata-service/step5.png b/resources/azure/networksecuritygroups/open-hadoop-hdfs-namenode-metadata-service/step5.png index 038f28950..5664d8d61 100644 Binary files a/resources/azure/networksecuritygroups/open-hadoop-hdfs-namenode-metadata-service/step5.png and b/resources/azure/networksecuritygroups/open-hadoop-hdfs-namenode-metadata-service/step5.png differ diff --git a/resources/azure/networksecuritygroups/open-hadoop-hdfs-namenode-metadata-service/step6.png b/resources/azure/networksecuritygroups/open-hadoop-hdfs-namenode-metadata-service/step6.png index 408307ea1..747de6599 100644 Binary files a/resources/azure/networksecuritygroups/open-hadoop-hdfs-namenode-metadata-service/step6.png and b/resources/azure/networksecuritygroups/open-hadoop-hdfs-namenode-metadata-service/step6.png differ diff --git a/resources/azure/networksecuritygroups/open-hadoop-hdfs-namenode-metadata-service/step8.png b/resources/azure/networksecuritygroups/open-hadoop-hdfs-namenode-metadata-service/step8.png index f252fef7e..7624fee78 100644 Binary files a/resources/azure/networksecuritygroups/open-hadoop-hdfs-namenode-metadata-service/step8.png and b/resources/azure/networksecuritygroups/open-hadoop-hdfs-namenode-metadata-service/step8.png differ diff --git a/resources/azure/networksecuritygroups/open-hadoop-hdfs-namenode-metadata-service/step9.png b/resources/azure/networksecuritygroups/open-hadoop-hdfs-namenode-metadata-service/step9.png index dcd83bd62..3dceec398 100644 Binary files a/resources/azure/networksecuritygroups/open-hadoop-hdfs-namenode-metadata-service/step9.png and b/resources/azure/networksecuritygroups/open-hadoop-hdfs-namenode-metadata-service/step9.png differ