Server : Apache System : Linux server2.corals.io 4.18.0-348.2.1.el8_5.x86_64 #1 SMP Mon Nov 15 09:17:08 EST 2021 x86_64 User : corals ( 1002) PHP Version : 7.4.33 Disable Function : exec,passthru,shell_exec,system Directory :  /opt/rh/gcc-toolset-11/root/usr/share/systemtap/examples/network/

Upload File : current_dir [ Writeable ] document_root [ Writeable ]

#!/opt/rh/gcc-toolset-11/root/usr/bin/stap

// A TCP dump like example

probe begin, timer.s(1) {
  printf("-----------------------------------------------------------------\n")
  printf("       Source IP         Dest IP  SPort  DPort  U  A  P  R  S  F \n")
  printf("-----------------------------------------------------------------\n")
}

probe udp.recvmsg /* ,udp.sendmsg */ {
  printf(" %15s %15s  %5d  %5d  UDP\n",
         saddr, daddr, sport, dport)
}

probe tcp.receive {
  printf(" %15s %15s  %5d  %5d  %d  %d  %d  %d  %d  %d\n",
         saddr, daddr, sport, dport, urg, ack, psh, rst, syn, fin)
}