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Tencent Cloud Firewall
    Documentation
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    Engine Release Notes

    Last updated: 2024-07-04 17:05:41
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    The firewall engine updates apply to both the NAT Firewall and the Inter-VPC Firewall. You can find the version number corresponding to the current instance in the firewall instance details and view the corresponding update content. It is recommended to upgrade to the latest version as soon as possible.
    Note:
    Defect fixes or optimizations of historical version engine packages will not be incorporated into historical version engines. Please upgrade to the latest version of the engine.
    Version Number
    Features (New features that require the current and later version of the engine)
    Update Notes
    Update Time
    cfw_v4.3.1.1194
    
    -
    
    [Optimization] Fixed some defects.
    
    June 20, 2024
    
    cfw_v4.3.0.1172
    
    -
    
    [Optimization] Fixed some defects.
    
    May 7, 2024
    
    cfw_v4.3.0.1167
    
    -
    
    [Optimization] Fixed some defects.
    
    April 26, 2024
    
    cfw_v4.3.0.1161
    
    -
    
    [Optimization] Fixed some defects. It is recommended to upgrade.
    April 18, 2024
    
    cfw_v4.2.1.1136
    
    Customized DNS configuration domain name resolution rules.
    Inter-VPC firewall supports IP granularity and VPC granularity bandwidth statistics.
    
    [New] Supports customizing DNS configuration domain name resolution rules.
    [New] Inter-VPC firewall supports IP granularity and VPC granularity bandwidth statistics.
    [Optimization] Fixed some defects.
    February 28, 2024
    
    cfw_v4.2.0.1115
    
    Configured second-level test task.
    Configured asset instance allowlist.
    
    [New] Supports configuring second-level test tasks. [New] Supports allowlist policy configuration asset instances. [Optimization] Optimized ACL template matching. [Optimization] Fixed some defects.
    January 22, 2024
    
    cfw_v4.1.2.1091
    Simulated test
    Transparent mode
    
    [New] Added simulated test feature. [New] Added transparent mode. [Optimization] Optimized firewall full load state determination. [Optimization] Optimized matching efficiency of address templates. [Optimization] Optimized the scenario where the traffic is automatically routed to the firewall when the IP address does not exist.
    December 18, 2023
    
    cfw_v4.1.0.1056
    VPC Firewall supports bidirectional allowlist control.
    
    [New] CCN mode supports bypass operations in custom routing mode. [New] Supports creating light-weighted instances. [Optimization] Optimized engine performance. [New] VPC Firewall supports bidirectional allowlist control. [Optimization] Optimized engine stability.
    October 26, 2023
    
    cfw_v4.0.2.1050
    -
    
    [Optimization] Fixed remote Ops log-in failure issue.
    October 8, 2023
    
    cfw_v4.0.2.1049
    -
    
    [Optimization] Optimized VPC Firewall limited bandwidth being too small.
    September 26, 2023
    
    cfw_v4.0.1.1023
    -
    
    [Optimization] Fixed DNS configuration failure issue. [Optimization] Fixed session synchronization failure issue.
    September 5, 2023
    
    cfw_v4.0.1.1022
    Supports configuring full load timeout auto-bypass.
    VPC Firewall supports speed limit feature.
    NAT Firewall supports high availability EIP configuration.
    [New] Supports configuring bandwidth over-limit bypass. [New] VPC Firewall supports speed limit feature. [New] NAT Firewall supports high availability EIP configuration. [Optimization] Optimized some performance aspects.
    August 31, 2023
    
    cfw_v3.master.0.924
    -
    [Optimization] Fixed default ACL allow issue.
    May 9, 2023
    
    cfw_v3.master.0.728
    -
    [Optimization] Fixed bug.
    July 26, 2022
    cfw_v3.7.0.994
    -
    
    [Optimization] Adapted to CDC direct connect.
    July 13, 2023
    cfw_v3.7.0.1009
    -
    
    [Optimization] Fixed invalid designated exit issue.
    August 15, 2023
    cfw_v3.7.0.1002
    -
    
    [Optimization] Optimized some performance.
    August 14, 2023
    cfw_v3.6.1.997
    -
    
    [Optimization] Fixed bug.
    July 10, 2023
    cfw_v3.6.1.985
    -
    
    [Optimization] Fixed core issue.
    July 10, 2023
    cfw_v3.6.1.980
    -
    
    [Optimization] Fixed TCE bug.
    June 29, 2023
    cfw_v3.6.1.940
    -
    
    [Optimization] Fixed memory leak issue. [Optimization] Fixed IPS false interceptions issue.
    May 30, 2023
    cfw_v3.6.1.934
    Supports packet capture tool.
    [New] Supports packet capture tool.
    May 16, 2023
    cfw_v3.6.0.924
    -
    [Optimization] Fixed core issue.
    May 9, 2023
    cfw_v3.6.0.920
    -
    [Optimization] Fixed session leakage issue.
    April 20, 2023
    cfw_v3.6.0.916
    VPC Firewall supports firewall group mode.
    [New] VPC Firewall supports firewall group mode.
    April 4, 2023
    cfw_v3.5.1.890
    -
    [Optimization] Added dialing test monitoring.
    March 6, 2023
    cfw_v3.5.1.889
    -
    [Optimization] Fixed ICMP large packet issue.
    February 22, 2023
    cfw_v3.5.1.887
    -
    [Optimization] Optimized ACL rule distribution.
    February 21, 2023
    cfw_v3.5.0.860
    -
    [Optimization] Fixed bug.
    January 12, 2023
    cfw_v3.5.0.859
    -
    [Optimization] Fixed MBUF leak issue caused by shards.
    January 6, 2023
    cfw_v3.5.0.854
    -
    [Optimization] Fixed core issue.
    January 3, 2023
    cfw_v3.5.0.853
    VPC Firewall supports the cross-tenant peering connection.
    The intrusion prevention supports custom rule actions.
    [Optimization] VPC Firewall supports advanced mode. [Optimization] VPC Firewall supports the cross-tenant peering connection. [New] The intrusion prevention supports custom rule actions.
    January 3, 2023
    cfw_v3.4.1.846
    -
    [Optimization] Fixed memory leak issue.
    December 23, 2022
    cfw_v3.4.1.840
    -
    [New] NAT Firewall supports speed limit. [Optimization] Optimized routes core issue.
    December 13, 2022
    cfw_v3.4.1.832
    NAT Firewall supports speed limit.
    [Optimization] Optimized routes core issue.
    December 8, 2022
    cfw_v3.4.1.780
    -
    [Optimization] Optimized some performance.
    November 3, 2022
    cfw_v3.4.0.780
    Supports more features in intrusion prevention rules.
    Supports SD-WAN Firewall.
    [New] Supports more features in intrusion prevention rules. [New] Supports SD-WAN Firewall.
    November 3, 2022
    cfw_v3.4.0.769
    Supports manual bypass.
    [New] Supports manual bypass. [Optimization] Supports instance dimension upgrade.
    October 24, 2022
    cfw_v3.3.2.756
    -
    [Optimization] Fixed bandwidth expansion bug.
    September 24, 2022
    cfw_v3.3.1.751
    -
    [Optimization] Optimized ACL layer-7 domain name recognition.
    September 7, 2022
    cfw_v3.3.0.735
    -
    [Optimization] Fixed memory leak issue.
    August 15, 2022
    cfw_v3.3.0.733
    -
    [Optimization] Resolved shard core issue.
    August 5, 2022
    cfw_v3.3.0.732
    -
    [Optimization] Optimized ACL configuration.
    August 2, 2022
    cfw_v3.2.1.689
    -
    [Optimization] Upgraded and optimized.
    July 4, 2022
    cfw_v3.2.1.661
    NAT Firewall supports IPS.
    Supports FTP protocol.
    [New] NAT Firewall supports IPS. [New] Supports FTP. [Optimization] The intrusion prevention supports domain allowlist.
    June 24, 2022
    cfw_v3.2.0.604
    -
    [Optimization] Fixed core and session synchronization.
    May 17, 2022
    cfw_v3.1.1.576
    VPC Firewall supports IPS.
    [New] VPC Firewall supports IPS. [New] Supports the long connection.
    April 12, 2022
    
    The following versions are outdated and no longer maintained. It is recommended to upgrade to the latest version as soon as possible.
    Version Number
    Features (New features that require the current and later version of the engine)
    Update Notes
    Update Time
    cfw_vk3.5.0.860
    -
    Kernel version is outdated. It is recommended to upgrade as soon as possible.
    January 12, 2023
    cfw_vk3.5.0.854
    -
    Kernel version is outdated. It is recommended to upgrade as soon as possible.
    January 3, 2023
    cfw_vk3.4.1.840
    -
    Kernel version is outdated. It is recommended to upgrade as soon as possible.
    December 13, 2022
    cfw_vk3.4.1.832
    -
    Kernel version is outdated. It is recommended to upgrade as soon as possible.
    December 8, 2022
    cfw_vk3.4.1.780
    -
    Kernel version is outdated. It is recommended to upgrade as soon as possible.
    November 3, 2022
    cfw_vk3.4.0.780
    -
    Kernel version is outdated. It is recommended to upgrade as soon as possible.
    November 3, 2022
    cfw_vk3.4.0.769
    -
    Kernel version is outdated. It is recommended to upgrade as soon as possible.
    October 24, 2022
    cfw_vk3.3.2.756
    -
    Kernel version is outdated. It is recommended to upgrade as soon as possible.
    September 24, 2022
    cfw_vk3.3.1.755
    -
    Kernel version is outdated. It is recommended to upgrade as soon as possible.
    September 21, 2022
    cfw_vk3.3.1.751
    -
    Kernel version is outdated. It is recommended to upgrade as soon as possible.
    September 7, 2022
    cfw_vk3.3.0.735
    -
    Kernel version is outdated. It is recommended to upgrade as soon as possible.
    August 15, 2022
    cfw_vk3.master.0.728
    -
    Kernel version is outdated. It is recommended to upgrade as soon as possible.
    July 26, 2022
    cfw_vk3.2.1.717
    -
    Kernel version is outdated. It is recommended to upgrade as soon as possible.
    July 19, 2022
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