How to Protect Your Websites from HTTP(S) Flood

By default, your domain protected by the Anti-DDoS Pro instance uses the Normal HTTP flood protection mode. You can change the mode as you needed.

  1. Log on to the Anti-DDoS Pro console.
  2. Go to Protection > Setting > Web Attack Protection page, select Instance, and select Domain.
  3. Locate the HTTP Flood Protection area, click to select the defense mode.

Custom HTTP Flood Protection Rule

Go to the Web Attack Protection page of your protected domain, locate the HTTP Flood Protection area, enable custom HTTP flood protection rules, and then click Settings to set custom defense rules for specific URLs.

Best Practice for HTTP Flood Protection Settings

And Attack emergency mode has relatively strict policies and can guard against more complex and sophisticated HTTP flood attacks. However, it may block a small part of normal requests.

Generally, we recommend that you use the Normal HTTP flood protection mode for your protected domain. This mode uses relative loose defense policies, and only IPs with large access frequency are blocked. We recommend that you switch to the Emergency attack mode or the High mode when the Normal mode fails to deliver satisfactory performance or the website is under severe HTTP flood attacks. Do not forget to switch back to the normal mode after the attack is over.

Related Blog Posts

How to Protect Your Websites from DDoS Attacks

DDoS Attacks Analysis and Prevention

  1. the best practices for provisioning your Ubuntu 16.04 server hosted on an Alibaba Cloud Elastic Compute Service (ECS) instance
  2. the importance of IoT device security by looking at CERT’s interpretation of the infamous 2016 DDoS attack
  3. the analysis of scanning and intrusion script for DockerKiller Threat

Related Documentation

HTTP(S) flood protection mode

Configure a multi-line Anti-DDoS Pro instance to pass traffic back to multiple origin sites

Related Products

Anti-DDoS Pro

Anti-DDoS Premium

Reference:https://www.alibabacloud.com/blog/how-to-protect-your-websites-from-https-flood_594942?spm=a2c41.13059705.0.0

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