Protection Specifications

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Last updated: 2026-07-27 16:47:46

The following section describes the performance limits of different types of Tencent CFW features:
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Metric
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Internet Firewall
NAT Firewall
VPC Firewall
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Throughput (Gbps)
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100 Gbps+ (horizontally scalable)
20 Gbps
100 Gbps+ (horizontally scalable)
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Latency (ms)
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Within the same AZ: ≤1 ms; across AZs: millisecond-level.
Within the same AZ: ≤1 ms; across AZs: millisecond-level.
Within the same AZ: ≤1 ms; across AZs: millisecond-level.
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Maximum New Sessions (count)
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50,000+
10,000+
50,000+
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Concurrent Connections (count)
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10,000,000+
4,000,000+
10,000,000+
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Policy Capacity (quantity)
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1,000,000+
1,000,000+
1,000,000+
Note:
To scale protection performance to its limit, you must purchase sufficient north-south bandwidth and VPC firewall bandwidth based on your service bandwidth requirements.

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Tencent Cloud Firewall

Protection Specifications

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Metric	Internet Firewall	NAT Firewall	VPC Firewall
Throughput (Gbps)	100 Gbps+ (horizontally scalable)	20 Gbps	100 Gbps+ (horizontally scalable)
Latency (ms)	Within the same AZ: ≤1 ms; across AZs: millisecond-level.	Within the same AZ: ≤1 ms; across AZs: millisecond-level.	Within the same AZ: ≤1 ms; across AZs: millisecond-level.
Maximum New Sessions (count)	50,000+	10,000+	50,000+
Concurrent Connections (count)	10,000,000+	4,000,000+	10,000,000+
Policy Capacity (quantity)	1,000,000+	1,000,000+	1,000,000+