#include <stdio.h>
#include <Windows.h>
#include <conio.h>
#include "Iphlpapi.h"
#include "Fltdefs.h"
#pragma comment( lib, "Iphlpapi.lib" ) // Laden der libs...
#pragma comment( lib, "WS2_32.lib" )

int main()
{
	BYTE localIp[]    = {127,0,0,1};
	INTERFACE_HANDLE ppInterface;

	if(PfCreateInterface(NULL,PF_ACTION_FORWARD,PF_ACTION_FORWARD,false,true,&ppInterface)==NO_ERROR)
	{
		printf("PfCreateInterface..OK\n");
	}
	else
	{
		printf("PfCreateInterface..FAILED\n");
	}

	if(PfBindInterfaceToIPAddress(ppInterface,PF_IPV4,localIp)==NO_ERROR)
	{
		printf("PfBindInterfaceToIPAddress..OK\n");
	}
	else
	{
		printf("PfBindInterfaceToIPAddress..FAILED\n");
	}

	FILTER_HANDLE fHandle;

	BYTE Scrmask[]    = {0,0,0,0}; // 212.185.47.88
	BYTE Scraddr[]    = {0,0,0,0};

	BYTE Dstaddr[]    = {0,0,0,0};
	BYTE Dstmask[]    = {0,0,0,0};

	PF_FILTER_DESCRIPTOR Filter;

	Filter.DstAddr			= Dstaddr;
	Filter.DstMask			= Dstmask;
	Filter.dwFilterFlags	= FD_FLAGS_NOSYN;
	Filter.dwProtocol		= FILTER_PROTO_ANY;
	Filter.dwRule			= 0;
	Filter.pfatType			= PF_IPV4;
	Filter.SrcAddr			= Scraddr;
	Filter.SrcMask			= Scrmask;
	Filter.wDstPort			= FILTER_TCPUDP_PORT_ANY;
	Filter.wDstPortHighRange= FILTER_TCPUDP_PORT_ANY;
	Filter.wSrcPort			= FILTER_TCPUDP_PORT_ANY;
	Filter.wSrcPortHighRange= FILTER_TCPUDP_PORT_ANY;
	Filter.fLateBound		= LB_SRC_ADDR_USE_SRCADDR_FLAG|LB_SRC_ADDR_USE_DSTADDR_FLAG|LB_DST_ADDR_USE_SRCADDR_FLAG|LB_DST_ADDR_USE_DSTADDR_FLAG;

	if(PfAddFiltersToInterface(ppInterface, 1, &Filter, 0, NULL, &fHandle)==NO_ERROR)
	{
		printf("PfAddFiltersToInterface..OK\n");
	}
	else
	{
		printf("PfAddFiltersToInterface..FAILED\n");
	}

	getch();
	PfRemoveFilterHandles(ppInterface, 1, &fHandle);
	PfUnBindInterface(ppInterface);
	PfDeleteInterface(ppInterface);
	return 0;
}

MFG NetZwerg

ping nutzt weder tcp noch udp. ping setzt nicht in der transportschicht im osi-modell auf sondern in der vermittlerschicht (icmp).

gruss
msp

MFG NetZwerg