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If you want to export an IP address blacklist whose effective scope is NAT, set the name to ip-blacklist-nat.txt.
A dedicated bandwidth can only be used by one EIP that is bound to one cloud resource, such as an ECS, a NAT gateway, or a load balancer. A shared bandwidth can be shared by multiple pay-per-use EIPs.
Overview Cloud Firewall (CFW) can protect the traffic of cloud services at the Internet border, VPC border, and NAT gateway. This section helps you quickly get started with CFW.
You can use public NAT gateways to enable the ECSs in the VPC to share an EIP to access or be accessed by the Internet. For more information, see the NAT Gateway User Guide. Parent topic: EIPs
You can use public NAT gateways to enable the ECSs in the VPC to share an EIP to access or be accessed by the Internet. For more information, see the NAT Gateway User Guide. Parent topic: Product Consultation
If you want to bind a NAT gateway to an EIP, the NAT gateway must be in the same region as that of the EIP. After an EIP is bound to a NAT gateway, ECSs associated with this gateway can share the EIP to access the Internet or provide services accessible from the Internet.
Related Services NAT Gateway, ECS, BMS and VPC Figure 2 EIP used by a NAT gateway Binding an EIP to a Load Balancer A high-availability load balancing network can be built with the help of EIP.
Modifying the VPC CIDR Block Scenarios If you use a cloud connection together with another cloud service, such as NAT Gateway, Direct Connect, or VPN, you need to add the CIDR block of the cloud service to the cloud connection, so that the VPCs you load to the cloud connection can
CFW can protect all cloud resources (EIPs, VPCs, and NAT gateways) in the current region and under the current account. Enable enterprise management , and select an enterprise project when purchasing CFW. In this case, CFW bills belong to this project.
Table 1 Parameter description Parameter Mandatory Type Description id No String Specifies the SNAT rule ID. limit No Integer Specifies the number of records on each page. tenant_id No String Specifies the project ID. nat_gateway_id No String Specifies the public NAT gateway ID. network_id
Table 1 Parameter description Parameter Type Description id String Specifies the DNAT rule ID. limit Integer Specifies the number of records on each page. tenant_id String Specifies the project ID. nat_gateway_id String Specifies the public NAT gateway ID. port_id String Specifies
Advantages EIP Advantages Flexibility EIPs can be flexibly bound to or unbound from ECSs, BMSs, NAT gateways, load balancers, or virtual IP addresses. EIP bandwidths can be scaled according to service changes.
Scenario 3: Unbinding an EIP from a NAT Gateway and Binding a New EIP to the NAT Gateway Assign an EIP by referring to 2. If you already have an EIP that you require, skip this step. Modify an SNAT rule. For details, see Modifying an SNAT Rule.
File Fails to Be Uploaded to HDFS Due to File Errors Symptom The hadoop dfs -put command is used to copy local files to HDFS. After some files are uploaded, an error occurs. The size of the temporary files no long changes on the native NameNode page. Cause Analysis Check the NameNode
Creating an ECS (Other Nodes) Scenarios In the SAP Business One system, besides the SAP Business One ECS, you need to create the following ECSs: NAT server: allows you to access SAP Business One nodes using Secure Shell (SSH).
Creating an ECS (Other Nodes) Scenarios In the SAP Business One system, besides the SAP Business One ECS, you need to create the following ECSs: NAT server: allows you to access SAP Business One nodes using Secure Shell (SSH).
Modifying a Private CIDR Block To use public network CIDR blocks other than 10.0.0.0/8, 172.16.0.0/12, 192.168.0.0/16, or the 100.64.0.0/10 segment reserved for carrier-level NAT as private network CIDR blocks, modify the CIDR private network segment or submit a service ticket to
Table 3 Description of the snat_rule field Parameter Type Description id String Specifies the SNAT rule ID. tenant_id String Specifies the project ID. nat_gateway_id String Specifies the public NAT gateway ID. network_id String Specifies the network ID used by the SNAT rule. cidr
Table 3 Description of the dnat_rule field Parameter Type Description id String Specifies the DNAT rule ID. tenant_id String Specifies the project ID. nat_gateway_id String Specifies the public NAT gateway ID. port_id String Specifies the port ID of an ECS or BMS. private_ip String
"This page can't be displayed" Is Displayed When Internet Explorer Fails to Access the Native HDFS UI Question Occasionally, Internet Explorer 9, Explorer 10, or Explorer 11 fails to access the native HDFS UI. Symptom Internet Explorer 9, Explorer 10, or Explorer 11 fails to access
