In python..

1. HELO Upon successful connection, a client MUST say hello. The client MUST send the string "HELO edlient name> where is the client's hostname. Examples Client: HELO mycomputer Server Hello mycomputer, pleased to meet you. 2. REQTIME The client can request the servers curent time with the REQTIME command. The server MUST respond in i506601 format hh:mm:ss Examples Clent: REOTIME Server 22:23 14 3. REODATE The client can request the server's current date with the REQOATE command. The server MUST respond in 1S08601 format YYYY-MM-DD Examples Client: REODATE Server 2014-01-29 4. ECHO The client can request the server echo back a text string using the ECHO command. This is useful when debugging a cient Clent: ECHO this is some random text Server: this is some random text. 5. REQIP The client can request the server print the client's IP address. This is useful to find the cient's real IP if behind a NAT router Clent: REOIP Server: 147.174.73.237 6. BYE The client can request the server end the TCP connection. The server MUST respond and immediately close the connection Clent: BYE Server See ya later