Internet Control Message Protocol (ICMP)

  • Rami Rosen


Chapter 2 discusses the netlink sockets implementation and how netlink sockets are used as a communication channel between the kernel and userspace. This chapter deals with the ICMP protocol, which is a Layer 4 protocol. Userspace applications can use the ICMP protocol (to send and receive ICMP packets) by using the sockets API (the best-known example is probably the ping utility). This chapter discusses how these ICMP packets are handled in the kernel and gives some examples.


Multicast Group Message Type Neighbour Discovery Quick Reference Sanity Check 
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Copyright information

© Rami Rosen 2014

Authors and Affiliations

  • Rami Rosen
    • 1
  1. 1.HaifaIsrael

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