Symantec recommends using the newest version of WinPcap 4.1.2 with Symantec Data Loss Prevention version 11.0 and higher. See TECH221964 for WinPcap prior to DLP v11
WinPcap4.1.1.exe is included with the DLP Platform installer within the Third_Party folder and is for Windows only.
WinPcap version 4.1.1 can be found in the following path: DLP\Symantec_DLP_11_win\11.1_Win\Third_Party\Symantec_DLP_11.1_Platform_Win-IN.zip
An additional, unnecessary directory is included in the \Third_Party\ folder. The unnecessary folder is titled: WinPcap_4.0.2_Upgrade
Note: WinPcap is not required if you are using Endace Napatech cards for Detection.
Ignore the WinPcap_4.0.2_Upgrade folder. You should not upgrade to WinPcap 4.0.2.
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This will clear the history and restart the chat.