2022-11-30
diff --git a/docs/ecs/umn/en-us_topic_0042400609.html b/docs/ecs/umn/en-us_topic_0042400609.html
index 99d9ade1..947a9007 100644
--- a/docs/ecs/umn/en-us_topic_0042400609.html
+++ b/docs/ecs/umn/en-us_topic_0042400609.html
@@ -188,12 +188,12 @@
Prerequisites- The target ECS has been logged in.
- Security group rules in the outbound direction meet the following requirements:
- Protocol: TCP
- Port: 80
- Destination: 169.254.0.0/16
- If you use the default security group rules for the outbound direction, the preceding requirements are met. Then, the metadata can be accessed. Default security group rules for the outbound direction are as follows:
+ If you use the default security group rules for the outbound direction, the metadata can be accessed because the default rules meet the preceding requirements. Default security group rules for the outbound direction are as follows:
- Protocol: All
- Port: All
- Destination: 0.0.0.0/0
- Metadata (OpenStack Metadata API)Displays ECS metadata.
+ Metadata (OpenStack Metadata API)This API is used to query ECS metadata.
- URI
/169.254.169.254/openstack/latest/meta_data.json
- Usage method
Supports GET requests.
- Example
To use cURL to view Linux ECS metadata, run the following command:
@@ -223,7 +223,7 @@
}
- User Data (OpenStack Metadata API)Displays ECS user data. The value is configured only when you create an ECS. It cannot be changed after the configuration.
+ User Data (OpenStack Metadata API)This API is used to query ECS user data. The value is configured only when you create an ECS. It cannot be changed after the configuration.
- Network Data (OpenStack Metadata API)Displays information about all NICs attached to an ECS, including their DNS server addresses, network bandwidth, IDs, private IP addresses, EIPs, and MAC addresses.
+ Network Data (OpenStack Metadata API)This API is used to query information about all NICs attached to an ECS, including their DNS server addresses, network bandwidth, IDs, private IP addresses, EIPs, and MAC addresses.
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