How Long Is the Delay Time of the Cloud Firewall Traffic Bandwidth Graph？
The delay is generally 1 minute.
How Frequently Is the Traffic Center Updated? How Frequently Are Traffic Logs Updated?
The center list updates every 10 minutes, and traffic logs update in real time.
Cloud Firewall Traffic Peak Mismatch？
The traffic chart displays the average bandwidth, which is the mean within the statistical time scale.
The peak value is calculated based on traffic statistics within 10 seconds. A single IP's average is reported every 10 seconds, and the maximum within a time range is taken as the peak value.
Alarm and billing are based on traffic statistics shown on the page.
Why Do Some Traffic Logs Not Contain Domain Information for Requests to Port 443？
1. TCP handshake incomplete or fail to establish connection.
2. Failed when accessing without a domain name.
3. Client request does not carry SNI.
Traffic Analysis of CFW: in Which Regions Is VPC Deployed and Whether Proximity Analysis Is Adopt？
Currently, it is only deployed in the Guangzhou region. In fact, based on customer business requirements, a cluster is set up in each region for nearby processing.
Maximum Analysis Traffic of CFW NDR and Performance Limit of Traffic Diversion Private Link？
The performance limit of Private Link does not reach the theoretical value, and the actual limit depends on the private network bandwidth of the server.
How to Determine Whether Traffic Is Private Network Traffic or Public Network Traffic and How to Judge Traffic Imported From Other Clouds Via Direct Connect？
Determine based on the source address IP type. Since the peer VPC of the direct connect belongs to the private network, the traffic is identified as private network traffic.
Whether Intrusion Defense Engine Rules Remain Valid If Most Traffic Is HTTPS？
Intrusion prevention rules also include rules effective for HTTPS, especially those targeting vulnerability types, which can detect features through regular expression matching, so some alerts can be detected even in encrypted traffic.
Traffic Analysis Log Size？
The maximum record for one session is 1000 bytes. In fact, data undergoes compression, and not all packets in transit are logged.