鞍山网站开发,页面模板够30条,网站制作方案,wordpress 安装 白屏问题简述#xff1a;利用java的第三方库jpcap写抓包程序#xff0c;求解怎么识别出http和https的数据包(就只要能判断出是http协议或https协议即可)。测试的解法#xff1a;1.在tcp包(jpcap自带TCPPacket类比较方便识别tcp包)的基础上用80端口和443端口区分http和https…问题简述利用java的第三方库jpcap写抓包程序求解怎么识别出http和https的数据包(就只要能判断出是http协议或https协议即可)。测试的解法1.在tcp包(jpcap自带TCPPacket类比较方便识别tcp包)的基础上用80端口和443端口区分http和https但是连tcp都识别成http或https了(不成功)。2.设法找出http或https特有而tcp没有的字段未能找出。代码示意(未完成) else if(packet instanceof jpcap.packet.ICMPPacket) {packetprocol ICMP;r.addElement(packetprocol);}else if(packet instanceof jpcap.packet.TCPPacket) {TCPPacket tcppacket (TCPPacket)packet;//if((tcppacket.src_port80||tcppacket.dst_port80)tcppacket.) {packetprocol HTTP;r.addElement(packetprocol);}else if(tcppacket.src_port443||tcppacket.dst_port443) {packetprocol HTTPS;r.addElement(packetprocol);}else {packetprocol TCP;r.addElement(packetprocol);}
