Snort mailing list archives

FW: [nmap/nmap] Npcap 0.9982 Failing! (#1677)


From: "Michael Steele" <michaels () winsnort com>
Date: Wed, 4 Sep 2019 19:41:00 -0400

It appears WinPcap is no longer being developed and Npcap is. Once snort start it fails because of the issue below.

 

Seems there should be a better way to link Snort to the .DLL’s in memory weather using either program?

 

Not real sure of the solution but WinPcap or Npcap should be installed and running prior to installing Snort. 

 

From: Daniel Miller <notifications () github com> 
Sent: Wednesday, September 4, 2019 6:27 PM
To: nmap/nmap <nmap () noreply github com>
Cc: mesteele101 <michaels () go2dds com>; Mention <mention () noreply github com>
Subject: Re: [nmap/nmap] Npcap 0.9982 Failing! (#1677)

 

In the final analysis, the issue is caused by a version mismatch between the WinPcap version of Packet.DLL that is 
shipped with Snort and the Npcap driver API that is implemented by Npcap's own Packet.DLL. The solution is to remove 
wpcap.dll and Packet.dll from the executable path of Snort and either install Npcap in WinPcap API-compatible mode or 
modify Snort to call SetDllDirectory appropriately to find the Npcap DLLs as described in the Npcap Developers' Guide 
<https://nmap.org/npcap/guide/npcap-devguide.html#npcap-feature-native> .

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