change the send bytes to 24
change the send bytes to 24

GongCun/TCPIP_Illustrated_1thEd_Volume1,GongCun/TCPIP_Illustrated_1thEd_Volume1,GongCun/TCPIP_Illustrated_1thEd_Volume1,GongCun/TCPIP_Illustrated_1thEd_Volume1