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This issue applies to WatchGuard EPP, EDR, EDR Core, EPDR, and Advanced EPDR. It was resolved in Hotfix WGUA-2152, WGUA-2320. On WatchGuard Endpoint Security protection software versions v8.00.22.0010 to v8.00.22.0023, there could be performance issues caused by the firewall infrastructure of WatchGuard Endpoint Security products. This issue might occur with any of these protections enabled on the affected endpoint: Advanced Protection Web protection Firewall protection Web filtering For information on how to determine the version of your WatchGuard Endpoint Security product, go to Determine the Software Version in Help Center .
A hotfix is available to resolve this issue. To apply a hotfix on the affected endpoint: Download and save the hotfix file to the endpoint: hf-wgua-2152-2320-nnsstrm-tcpsession.exe Double-click the downloaded file. The hotfix installation does not require you to restart the computer. However, under certain circumstances, you might be prompted to restart for the hotfix to be fully applied. If you cannot restart the computer immediately, select No when prompted. This postpones the application of the hotfix until the next system restart. Note : To download an unattended or silent version of the hotfix, click here . The hotfix is applied after the next system restart. File Details The hotfix updates these files: File Name Location File Version Modified Date Hotfix included in future versions? NNSSTRM.sys C:\Windows\System32\Drivers\NNSStrm.sys 7.0.0.410 20 December 2023 Yes. Future Releases higher than v8.00.22.0023 Verify Hotfix Application To confirm the correct application of the hotfix, check the file version (in File Details section) or verify the values of these registry keys: 32-Bit Architecture 64-Bit Architecture Registry Key Value Registry Key Value HKEY_LOCAL_MACHINE\SOFTWARE\Panda Software\Setup\Hotfix history\HF_NNSSTRM_TCPSession Revision [REG_DWORD] 1 HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Panda Software\Setup\Hotfix history\HF_NNSSTRM_TCPSession Revision [REG_DWORD] 1 HKEY_LOCAL_MACHINE\SOFTWARE\Panda Software\Setup\Hotfix history\HF_NNSSTRM_TCPSession Result [REG_DWORD] 0 = Success 1 = Not Applied 2 = Error 9 = On Reboot Operation HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Panda Software\Setup\Hotfix history\HF_NNSSTRM_TCPSession Result [REG_DWORD] 0 = Success 1 = Not Applied 2 = Error 9 = On Reboot Operation
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