Green Wind

唉,最近好不容易想要用低階socket作一些網路偵測功能 拿了一些code來參考,寫了一堆,結果都不能用 花了一整天時間,才查到原因............. 原來win2k sp2版本後,因為安全需求,把raw socket的TCP封包與source IP不是本機IP的UDP封包 都禁止使用了 阿,還是用libpacp吧,殘念 ================================網路上的討論 Asunto: Re: sendto() 10004 error De: arkadyf@hotmailxdotx.com (Arkady Frenkel) Foro: microsoft.public.platformsdk.networking Organización: Texas Instruments Fecha: 24. Aug 2004, 09:41:48 Referencia: 1 2 3 Thanks for URL , Alun ! That shows that protection against dos attacks much more sophisticated that I thought before :) Arkady "Alun Jones [MSFT]" wrote in message news:%23ASKt2UiEHA.1384@TK2MSFTNGP10.phx.gbl... > Specifically, raw TCP sends are forbidden. Raw UDP sends that forge the > source address are also forbidden. Other raw socket sends work just fine. > > For details, see > .mspx#XSLTsection127121120120> > > Alun. > ~~~~ > > "Arkady Frenkel" wrote in message > news:eX3HKd7hEHA.2604@TK2MSFTNGP09.phx.gbl... > > Raw socket send operation forbidden in SP2 , that part of struggle with > > DOS ( deny of service ) attacks > > Arkady > > > > "R-e-D" wrote in message > > news:XnF954C8560D604Dredredkodorg@212.27.42.66... > > > Hello, > > > > > > When I call sendto() in order to send my packet this error appears: > > > > > > "Une opération de blocage a été interrompue par un appel > > > à WSACancelBlockingCall", Code 10004 > > > > > > This problem is present since the installation of the Service Pack 2 > > > of Windows XP. > > > > > > Code: > > > SOCKET sock; > > > .... > > > sock = WSASocket(AF_INET, SOCK_RAW, IPPROTO_TCP, NULL, 0, > > > WSA_FLAG_OVERLAPPED); .... > > > setsockopt(sock, IPPROTO_IP, IP_HDRINCL, (char *) &optval, > > > sizeof(optval)); .... > > > bytes_sent = sendto(sock, packet, len, 0, to, sizeof(struct > > > sockaddr_in)); if (bytes_sent == SOCKET_ERROR || bytes_sent != len) > > > .... > > > Error ! > > > > > > > > > Would somebody have a solution ? > > > Sorry for my english. > > >