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          • Configuring an Access Control Policy on an ECS or ELB to Protect Origin Servers - Web Application Firewall

            Configuring an Access Control Policy on an ECS or ELB to Protect Origin Servers - Web Application Firewall

            Precautions Before configuring an access control policy on an origin server, ensure that you have connected all domain names of websites hosted on Elastic Cloud Server (ECS) or having Elastic Load Balance (ELB) deployed to WAF.

            Help > Web Application Firewall > Best Practices > Configuring Origin Server Security
          • WAF Best Practices You May Need - Web Application Firewall

            WAF Best Practices You May Need - Web Application Firewall

            LTS to Query and Analyze WAF Access Logs Using LTS to Analyze How WAF Blocks Spring Core RCE Vulnerabilities Using LTS to Configure Block Alarms for WAF Rules Origin server security configuration Using WAF to Improve Connection Security Configuring an Access Control Policy on an ECS

            Help > Web Application Firewall > Best Practices
          • WAF Permissions Management - Web Application Firewall

            WAF Permissions Management - Web Application Firewall

            *:get*", "ecs:*:list*", "elb:*:get*", "elb:*:list*" ], "Effect": "Allow" } ] }

            Help > Web Application Firewall > Service Overview
          • Connecting Your Website to WAF with Dedicated Mode - Web Application Firewall

            Connecting Your Website to WAF with Dedicated Mode - Web Application Firewall

            Figure 7 Obtaining the subnet IP address of a dedicated engine Add the subnet IP address to the ECS security group. In the upper left corner of the page, click and choose Compute > Elastic Cloud Server. On the Elastic Cloud Server page, click the target ECS instance name.

            Help > Web Application Firewall > User Guide > Connecting Your Website to WAF
          • Buying Dedicated Mode WAF - Web Application Firewall

            Buying Dedicated Mode WAF - Web Application Firewall

            NOTE: WAF also provides the ECS type of WAF instance. This type of WAF instance is deployed on your own ECSs. You can view the ECSs housing your WAF instances on the ECS console. To use this type of WAF instance, submit a service ticket.

            Help > Web Application Firewall > User Guide > Buying WAF
          • Buying WAF - Web Application Firewall

            Buying WAF - Web Application Firewall

            The bandwidth in WAF is calculated by WAF itself and is not associated with the bandwidth or traffic limit of other Huawei Cloud products (such as CDN, ELB, and ECS). Parent Topic: Basic Concepts

            Help > Web Application Firewall > Service Overview > Basic Concepts
          • Error Codes - Web Application Firewall

            Error Codes - Web Application Firewall

            Please check configurations check configurations 400 WAF.00015005 premium.instance.illegal.flavor Illegal ECS flavor of dedicated WAF instance Change the ECS specifications. 400 WAF.00015006 premium.instance.purchase.config.not.found Purchase options of Premium WAF is not configured

            Help > Web Application Firewall > API Reference > Appendix
          • Is Service QPS Calculated Based on Incoming Traffic or Outgoing Traffic? - Web Application Firewall

            Is Service QPS Calculated Based on Incoming Traffic or Outgoing Traffic? - Web Application Firewall

            The inbound and outbound traffic of the origin ECS you view on the ECS console is the normal traffic. If there are multiple ECSs, collect statistics on the normal traffic of all ECSs.

            Help > Web Application Firewall > FAQs > About Purchase and Specifications Change
          • (Optional) Buying Expansion Packages - Web Application Firewall

            (Optional) Buying Expansion Packages - Web Application Firewall

            The inbound and outbound traffic of the origin ECS you view on the ECS console is the normal traffic. If there are multiple ECSs, collect statistics on the normal traffic of all ECSs.

            Help > Web Application Firewall > User Guide > Buying WAF > Buying Cloud Mode WAF
          • What Are Regions and AZs? - Web Application Firewall

            What Are Regions and AZs? - Web Application Firewall

            Public services, such as Elastic Cloud Server (ECS), Elastic Volume Service (EVS), Object Storage Service (OBS), Virtual Private Cloud (VPC), Elastic IP (EIP), and Image Management Service (IMS), are shared within the same region.

            Help > Web Application Firewall > FAQs > About WAF
          • Billing Examples - Web Application Firewall

            Billing Examples - Web Application Firewall

            WAF will bill you for the software of the dedicated engines, and ECS will bill you for the system and hardware. For details about ECS billing, see ECS Billing Items.

            Help > Web Application Firewall > Billing
          • Creating a Dedicated WAF Instance - Web Application Firewall

            Creating a Dedicated WAF Instance - Web Application Firewall

            ECS flavor: c3ne.2xlarge.2. VPC ID: d7b6a5ff-6c53-4cd4-9d57-f20ee8753056. Subnet ID: e59ccd18-7e15-4588-b689-04b856f4e78b. Security group ID: 09b156a2-f0f0-41fd-9891-60e594601cfd. Quantity: one.

            Help > Web Application Firewall > API Reference > APIs > Dedicated Instance Management
          • Managing Dedicated WAF Engines - Web Application Firewall

            Managing Dedicated WAF Engines - Web Application Firewall

            instance name to view the ECS specifications for the instance.

            Help > Web Application Firewall > User Guide > Instance Management
          • Billing Items - Web Application Firewall

            Billing Items - Web Application Firewall

            WAF will bill you for the software of the dedicated engines, and ECS will bill you for the system and hardware. Billing Examples Take the yearly/monthly billing mode as an example.

            Help > Web Application Firewall > Billing
          • Before You Start - Web Application Firewall

            Before You Start - Web Application Firewall

            Public services, such as Elastic Cloud Server (ECS), Elastic Volume Service (EVS), Object Storage Service (OBS), Virtual Private Cloud (VPC), Elastic IP (EIP), and Image Management Service (IMS), are shared within the same region.

            Help > Web Application Firewall > API Reference
          • How Do I Select Service QPS When Purchasing WAF? - Web Application Firewall

            How Do I Select Service QPS When Purchasing WAF? - Web Application Firewall

            The inbound and outbound traffic of the origin ECS you view on the ECS console is the normal traffic. If there are multiple ECSs, collect statistics on the normal traffic of all ECSs.

            Help > Web Application Firewall > FAQs > About Purchase and Specifications Change
          • Deleting a Dedicated WAF Instance - Web Application Firewall

            Deleting a Dedicated WAF Instance - Web Application Firewall

            Range This field is used only as a flag and can be ignored by users. specification String Definition Dedicated engine ECS flavor, for example, 8 vCPUs | 16 GB Range N/A serverId String Definition ID of the ECS hosting the dedicated engine.

            Help > Web Application Firewall > API Reference > APIs > Dedicated Instance Management
          • Querying Details about a Dedicated WAF Instance - Web Application Firewall

            Querying Details about a Dedicated WAF Instance - Web Application Firewall

            Range This field is used only as a flag and can be ignored by users. specification String Definition Dedicated engine ECS flavor, for example, 8 vCPUs | 16 GB Range N/A serverId String Definition ID of the ECS hosting the dedicated engine.

            Help > Web Application Firewall > API Reference > APIs > Dedicated Instance Management
          • How Do I Whitelist Back-to-Source IP Addresses of Cloud WAF? - Web Application Firewall

            How Do I Whitelist Back-to-Source IP Addresses of Cloud WAF? - Web Application Firewall

            Locate the row containing the ECS hosting your website. In the Name/ID column, click the ECS name to go to the ECS details page. Click the Security Groups tab. Then, click Change Security Group. Click the security group name to view the details.

            Help > Web Application Firewall > FAQs > Website Connect Issues
          • Configuring Origin Server Security - Web Application Firewall

            Configuring Origin Server Security - Web Application Firewall

            Configuring Origin Server Security Using WAF to Improve Connection Security Configuring an Access Control Policy on an ECS or ELB to Protect Origin Servers

            Help > Web Application Firewall > Best Practices
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