I have been send the packet, In my intranet I can receive the packet correctly,
LAN? USE MAC_ADDRESS But in internet I Cannot Receive the Packet,Why ? Please help me,thank you. ROUTING? USE ADDRESS IP. I used ADSL modem ,My code is here : LOOK: packet[0]=DescMac.byte1; packet[1]=DescMac.byte2; packet[2]=DescMac.byte3; packet[3]=DescMac.byte4; packet[4]=DescMac.byte5; packet[5]=DescMac.byte6; packet[6]=SourceMac.byte1; packet[7]=SourceMac.byte2; packet[8]=SourceMac.byte3; packet[9]=SourceMac.byte4; packet[10]=SourceMac.byte5; packet[11]=SourceMac.byte6; ************** TCP/IP ************** packet[12]= 0x08; packet[13]= 0x00; ************** version 4 ************** packet[14]=0x45; packet[15]=0x00; packet[16]=0x00; // ************** total length ************** packet[17]=0x20; // ************** Identification ************** packet[18]=0x00; // packet[19]=0x00; // packet[20]=0x00; // ************** fragment ************** packet[21]=0x00; // ************** TTL ************** packet[22]=0x80; // ************** UDP ************** packet[23]=0x11; // ************** header Checksum. where is its value? 0000? ************** packet[24]=0x00; // packet[25]=0x00; // //Source IP packet[26]=SourceIp.byte1; packet[27]=SourceIp.byte2; packet[28]=SourceIp.byte3; packet[29]=SourceIp.byte4; //Desc IP packet[30]=DescIp.byte1; packet[31]=DescIp.byte2; packet[32]=DescIp.byte3; packet[33]=DescIp.byte4; //SourcePort //DescPort AnsiString SourceP; AnsiString DescP; SourceP=IntToHex(SourcePort,4); DescP= IntToHex(DescPort,4); unsigned char *temp; int BufSize=1; temp= new unsigned char(2); ************** source port ************** StrLCopy(temp,SourceP.c_str(),2); HexToBin(temp,&(packet[34]),BufSize ); SourceP.Delete(1,2); StrLCopy(temp,SourceP.c_str(),2); HexToBin(temp,&(packet[35]),BufSize ); ************** destination port ************** StrLCopy(temp,DescP.c_str(),2); HexToBin(temp,&(packet[36]),BufSize ); DescP.Delete(1,2); StrLCopy(temp,DescP.c_str(),2); HexToBin(temp,&(packet[37]),BufSize ); delete temp; ************** udp length ************** packet[38]= 0x00; packet[39]= 0x0C; ************** source checksum ************** packet[40]= 0x12; packet[41]= 0x34; ************** data ************** packet[42]=SourceIp.byte1; packet[43]=SourceIp.byte2; packet[44]=SourceIp.byte3; packet[45]=SourceIp.byte4; pcap_sendpacket(fp,packet,PacketLen); pcap_freealldevs(NetAdapt); IsHasBeenSend=true; return 0; }; ================================================================== This is the WinPcap users list. It is archived at http://www.mail-archive.com/[email protected]/ To unsubscribe use mailto: [EMAIL PROTECTED]?body=unsubscribe ==================================================================
