Description: the program in Windows 2000 SP4 Pro compiler under through debugging (Visual C 6.0 IDE environment). Winsock2 need support. 1. The procedure adopted protocols of the original socket programming, the basic implementation of Ping function, Use : ping host, the default four consecutive send the request back significantly. 2. The procedure for the first ICMP using the definition of non-standard forms. Upcoming options to preserve the timestamp data for the first four bytes are defined as ICMP first part, the first such ICMP was defined as 12 bytes. This is done primarily to the realization of programming and understanding for it. 3. Under customary ICMP first marker Address field filled with the process ID. 4. The program achieved in the first record of IP routing RR functions, the most record
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