This Knowledgebase article provides information about how to use 'nfpktfltr' command-line options.
The 'nfpktfltr' command allows for multiple command-line options. See the information below about how to use these options.
From C:\Neverfail\R2\bin>nfpktfltr.exe, execute the command with the following options:
To install/uninstall the Neverfail Packet Filter for Neverfail Heartbeat prior to V5.0.1:
install - install nfpktfltr from directory
uninstall - uninstall nfpktfltr from all adapters
To install/uninstall for Neverfail Heartbeat V5.0.1 and later
install %installdir%\neverfail\r2\drivers\nfpktfltr\5.0.802 - install nfpktfltr
uninstall %installdir%\neverfail\r2\drivers\nfpktfltr\5.0.802 - uninstall nfpktfltr from all adapters
Other options include:
Option Function enable enable the network for active server disable disable the network for passive server arp send gratuitous ARPs on all public IP addresses setstate [block | filter | passthru] set the filter state getstate get the filter state setloadstate [block | filter | passthru] set the filter load state getloadstate get the filter load state setfilter [xxx.xxx.xxx.xxx [yyy.yyy.yyy.yyy]] set the IP addresses to filter getfilter get the filtered IP addresses setnetbiosfilter [0 | 1] enable or disable NetBIOS filtering getnetbiosfilter see the results of the above setloglevel [0 | 1 | 2] set driver event log level to disable, normal, debug getloglevel see the results of the above
Note: The commands above are an example and the folder version number (5.0.802) may differ from the actual location you are working from. The location %installdir%\neverfail\r2\drivers\nfpktfltr\%neverfailversion% must exist before the command will execute. If this folder location does not exist and you are unsure about how to continue please contact your Neverfail Support representative.
As Indicated Above
Knowledgebase article #353 - How to Manually Install and Uninstall the Neverfail Packet Filter Driver