Hello, I use winpcap 2.3 for this, tell me if you need this version to build your bridge to send you the npf.sys modified, I dont know if this winpcap 2.3 works with windows xp but it works fine with windows 2000
the other option: You must alter the npf.sys driver (the pcap driver), in the write.c file of the source. It can be easely copied into the driver folder. In the write.c file, add the function call NdisSetPacketFlags(pPacket, NDIS_FLAGS_SKIP_LOOPBACK); // funtion NTSTATUS PacketWrite(IN PDEVICE_OBJECT DeviceObject, IN PIRP Irp) function, just before the packet is sent with the NdisSend(&Status, Open->AdapterHandle, pPacket); function. I would like that Loris Degioanni add this as a function of winpcap, because if you can write a bridge, you can also write a transparent firewall. Regards David Rodriguez ----- Original Message ----- From: "Ben Greear" <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]>; <winpcap-users@winpcap.polito.it> Sent: Sunday, April 24, 2005 04:41 PM Subject: Re: [WinPcap-users] PROBLEM WITH BUILDING A BRIDGE > Hello! > > I also am trying to write a bridge. From your email discussion, > it appears you had to modify winpcap to get it to not receive > the packet that you just transmitted. I hope to get this working on > at least Win2k and WinXP, though WinXP is the highest priority. > > If so, do you have a packaged version of this winpcap that I could > use for my own project? (I am compiling my win32 app using mingw > on Linux, so I am thinking it may be difficult for me to build a new > winpcap package...) > > Or, if there is any way to use the standard winpcap to accomplish the > same thing, could you let me know the functions involved? From reading > your discussion, it sounds like setting a flag on the pcap_t object should > be sufficient to get the info to the write() logic, but I do not see > anywhere to set such a flag... > > Thanks, > Ben > > > -- > Ben Greear <[EMAIL PROTECTED]> > Candela Technologies Inc http://www.candelatech.com > > > > ================================================================== > This is the WinPcap users list. It is archived at > http://www.mail-archive.com/winpcap-users@winpcap.polito.it/ > > To unsubscribe use > mailto: [EMAIL PROTECTED] > ================================================================== > ================================================================== This is the WinPcap users list. It is archived at http://www.mail-archive.com/winpcap-users@winpcap.polito.it/ To unsubscribe use mailto: [EMAIL PROTECTED] ==================================================================
