icmp ip protocol number

Software download for analysis: Wireshark-win32-1.10.2.exeRead the guided Tour1. Analyze and apply the ARP protocol2. Analyzing IP Protocols3. Analyzing the ICMP protocol1. Analysis of the format and content of ARP messages(1) The ARP request

ICMP is (Internet Control message Protocol) Internet controlled message protocol. It is a sub-protocol of the TCP/IP protocol family that is used to pass control messages between IP hosts and routers. The control message refers to the message that

Many people may misunderstand the ICMP protocol, especially in terms of security. So what do we think about ICMP security? We will discuss this issue in detail today. For more information, see the following section. 1. Security importance of

Author: vamei Source: http://www.cnblogs.com/vamei welcome reprint, please also keep this statement. Thank you!   So far, we have explained the most important IP protocol in the network layer (refer to the Protocol forest ). An important

Catalogue IP protocol Header formatAddress Resolution Protocol ARPReverse Address Resolution Protocol RARPInter-network Control Message Protocol ICMPInternet Group Management Protocol IGMP IP datagram header IP Datagram Header format: The highest

Swiss Army Knife protocol-ICMP ICMP protocol An important supplement to the IP protocol is the ICMP protocol. ICMP (Internet Control Message Protocol) is a Protocol between the network layer and the transport layer. Its main function is to transmit

IP datagram Header highest bit on the left, recorded as 0 bit, the lowest bit on the right, recorded as a bitVersion:4 bits, refers to the IP protocol version of the current IP protocol version number is 4 (that is, IPV4)Header Length:4 bits, the

IP protocol Header formatAddress Resolution Protocol ARPReverse Address Resolution Protocol RARPInter-network Control Message Protocol ICMPInternet Group Management Protocol IGMP IP Datagram HeaderIP Datagram Header format:The highest bit is

ICMP is one of the most important protocols in network protocols. It implements some effective message control to complete some transmission errors. So how should we understand this agreement? What is its workflow? Since the IP network is unreliable

Security is a problem that we can never ignore, especially network security, which is not easy to control. Let's talk about ICMP protocol security in detail, I hope you can refer to some of the content in this article. 1. Security importance of ICMP