Issue Status |
Symptoms
Performance issues caused by the firewall infrastructure of Adaptive Defense products. This issue may occur with any of these protections enabled on the affected endpoint: Advanced Protection, web protection, firewall protection, and web filtering protections.
Solution
- 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 restarting the computer. However, under certain circumstances, you may be prompted to restart for the hotfix to be fully applied. If you cannot restart the computer right away, 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.
Next, find all the changes the hotfix includes.
Affected versions
Protections between v8.00.22.0010 and v8.00.22.0023. To see your Adaptive Defense product version, see this article.
File Details
The hotfix updates the following file:
| File name | Location | File Version | Modified Date | Hotfix to be included in future versions? |
|---|---|---|---|---|
| NNSSTRM.sys | C:\Windows\System32\Drivers\NNSStrm.sys | 7.0.0.410 | December 20th, 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 else, verify the values of these Registry keys:
| 32 bits Architecture | 64 bits 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 1 |
| HKEY_LOCAL_MACHINE\SOFTWARE\Panda Software\Setup\Hotfix history\HF_NNSSTRM_TCPSession | Result [REG_DWORD] 0 = Success | HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Panda Software\Setup\Hotfix history\HF_NNSSTRM_TCPSession | Result 0 = Success |
