FAQ

• Instance FAQ
• Image FAQ
• Snapshot FAQ

• Security FAQ
• Block storage FAQ
• O&M and Monitoring FAQ

• Link testing tool for ping packet loss or ping failure
• Why the server can be pinged but the port cannot be accessed
• Troubleshoot IP address faults in CentOS 7 instances and Windows instances

• Verify if TCP port 80 works properly
• What should I do if my ECS is hacked
• Instructions on packet capture during network exceptions

Linux ECS Instances

Windows ECS Instances

• How to troubleshoot failed remote logon to ECS Linux SSH
• How to configure websites and bind domainnames for ECS Linux instances
• Common kernel network parameters of ECS Linux instance and problem troubleshooting

• How to restrict the access of ports/IP addresses/applications using Windows 2008/2012 Firewall
• What can I do if I am unable to install .NET Framework 3.5.1, or a language package, on Windows Server 2012 R2/2016/2019?
• How to configure the virtual memory of ECS Windows Server

• Automatic source updating tool for Linux ECS
• How to activate the VPC-Connected Windows instances using KMS servers

• Mac remote desktop connection cannot verify the identity of the remote computer
• Check system port occupation on a Linux instance by using netstat