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Step 3: Configure a NAT Gateway Buy a public NAT gateway. Click in the upper left corner of the page and choose Networking > NAT Gateway. Click Buy Public NAT Gateway in the upper right corner. Subnet: Select the one you configured as the backend subnet in 2.
configuration Connecting a Website Without a Proxy to WAF in CNAME Access Mode Combining AAD and WAF to Get All-Round Protection Combining CDN and WAF to Get Improved Protection and Load Speed Combining WAF and Layer-7 Load Balancers to Protect Services over Any Ports Using WAF, ELB, and NAT
In this mode, WAF is integrated into the Elastic Load Balance (ELB) gateway through SDKs. After detecting and filtering malicious attack traffic, WAF synchronizes the detection result to ELB.
NAT64 is an IPv6 conversion mechanism that enables communication between IPv6 and IPv4 hosts using a form of network address translation (NAT). For regions that support IPv6 protection, see Functions.
CFW can implement refined control over all traffic, including Internet border protection, cross-VPC and NAT traffic, to prevent intrusions, penetration attacks, and unauthorized connections to the outside.
NAT64 is an IPv6 conversion mechanism that enables communication between IPv6 and IPv4 hosts using a form of network address translation (NAT). For regions that support IPv6 protection, see Functions. Only the professional and enterprise editions support IPv6 protection.
Default rule set (strict): WAF provides the finest granular protection and can block attacks with complex bypass features, such as Jolokia cyber attacks, common gateway interface (CGI) vulnerability detection, and Druid SQL injection attacks.
NAT64 is an IPv6 conversion mechanism that enables communication between IPv6 and IPv4 hosts using a form of network address translation (NAT). For regions that support IPv6 protection, see Functions. Parent topic: IPv6 Protection
NAT64 is an IPv6 conversion mechanism that enables communication between IPv6 and IPv4 hosts using a form of network address translation (NAT). For regions that support IPv6 protection, see Functions. Only the professional and enterprise editions support IPv6 protection.
If you use an NAT gateway before an ECS for forwarding data, you also need to configure an inbound rule in the security group the ECS belongs to by referring to Configuring an Inbound Rule for an ECS.
Error Codes If an error code starting with APIGW is returned after you call an API, rectify the fault by referring to the instructions provided in API Gateway Error Codes.
Figure 5 Troubleshooting process for 502 Bad Gateway error Table 1 Troubleshooting 502 Bad Gateway error Possible Cause Solution Cause 1: Your website is using another security protection software.
NAT64 is a network address translation (NAT) mechanism that enables communications between IPv6 and IPv4 servers. WAF uses the IPv4 back-to-source address to establish a connection to the origin server.
Default rule set (strict): At this level, WAF provides the finest granular protection and can block attacks with complex bypass features, such as Jolokia cyber attacks, common gateway interface (CGI) vulnerability detection, and Druid SQL injection attacks.
Enabling Break Protection to Protect Origin Servers If a large number of 502 Bad Gateway and 504 Gateway Timeout errors are detected, you can enable WAF breakdown protection and connection protection to let WAF suspend your website and protect your origin servers from being crashed
Using WAF, ELB, and NAT Gateway to Protect Services Not Deployed on Our Cloud By default, in cloud load balancer access mode, WAF can protect only workloads deployed on our cloud.
NAT64 is an IPv6 conversion mechanism that enables communication between the IPv6 and IPv4 hosts using network address translation (NAT). WAF can convert an IPv4 source site to an IPv6 website and converts external IPv6 access traffic to internal IPv4 traffic.
Protected objects Domain names How it works In cloud mode - load balancer access, WAF is integrated into the gateway of the ELB load balancer through SDKs.
The request is not processed, and the server receives an invalid response from the upstream server. 503 Service Unavailable The request is not processed due to a temporary system abnormality. 504 Gateway Timeout A gateway timeout error occurs.
Gateway to Protect Services Not Deployed on Our Cloud
