Java 带Jpcap的过滤器
我需要使用Jpcap过滤Telnet数据包。。我怎么做?我试过:Java 带Jpcap的过滤器,java,traffic,jpcap,Java,Traffic,Jpcap,我需要使用Jpcap过滤Telnet数据包。。我怎么做?我试过: captor.setFilter("telnet", true); 但它不起作用…通过使用如下处理程序调用captor实例[captor.loopPacket(-1,handler)] public class TelnetReceiver implements PacketReceiver { public void receivePacket(Packet p) { if (p instan
captor.setFilter("telnet", true);
但它不起作用…通过使用如下处理程序调用captor实例[
captor.loopPacket(-1,handler)
]
public class TelnetReceiver implements PacketReceiver
{
public void receivePacket(Packet p)
{
if (p instanceof TCPPacket) { //Filter TCP only
TCPPacket tcp = (TCPPacket) p;
if(tcp.dst_port == 23 || tcp.src_port == 23)) {
//Do something with tcp.data or other layer fields
}
}
}
}
您可以筛选telnet端口(23):
captor.setFilter("port 23", true);