Cloud Firewall
Cloud Firewall (CFW) is a next-generation cloud-native firewall. It protects Internet and VPC borders on the cloud by real-time intrusion detection and prevention, global unified access control, and full traffic analysis.
Progressive Knowledge
ECS knowledge for users from beginner level to expert level
01

Understand
Learn what is CFW, its features and editions, and when you will need them.
Service Overview
03

Start
After creating an ECS, you can log in to it and initialize data disks in multiple ways to start your ECS.
Enabling Protection
Configuring a Protection Policy
05

Deploy
Use CFW to routinely check and handle security risks, protecting your cloud border.
Best Practices About Security Configurations
02

Purchase
Learn how to choose, purchase HSS editions and how much you will be charged.
Specifications
How to Buy
04

Be a Power User
You can configure intrusion prevention policies, the blacklist, and the whitelist, and increase quota to protect more EIPs. You can also adjust protection policies based on real-time protection logs and event statistics.
Common Operations
FAQs
Learn more about common issues and solutions.
Typical Cases
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Can CFW Be Used Across Clouds or Regions
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Can CFW Protect Servers Off the Cloud?
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What Are the Differences Between CFW and WAF?
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Can I Share My CFW with Other Accounts?
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Do I Need to Increase My Bandwidth If the Rate of a Flow Exceeds the Threshold?
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What Details Can I Get from Log Audit?
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How Does CFW Detect and Defend Against Attacks Exploiting the Apache Log4j Remote Code Execution Vulnerability?
About CFWs
About Functions
Troubleshooting
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Why Are Traffic and Attack Logs Incomplete on the Traffic Analysis Page?
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(Apache Log4j)How Does CFW Detect and Defend Against Attacks Exploiting the Apache Log4j Remote Code Execution Vulnerability?
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(Spring Framework )How Does CFW Detect and Defend Against Attacks Exploiting the Spring Framework Remote Code Execution Vulnerability?
Technical Topics
Technologies, expert opinions, and courses