example:  knock myserver.example.com 123:tcp 456:udp 789:tcp                                                                                                    admin@i-080ac908debd2d3d7:~$ knock -v 127.0.0.1 80:tcp 1                        hitting tcp 127.0.0.1:80                                                        hitting tcp 127.0.0.1:1                                                         admin@i-080ac908debd2d3d7:~$ knock -v 127.0.0.1 80:tcp                          hitting tcp 127.0.0.1:80                                                        admin@i-080ac908debd2d3d7:~$ curl -D - -v localhost                             *   Trying 127.0.0.1:80...                                                      * connect to 127.0.0.1 port 80 failed: Connection refused                       * Failed to connect to localhost port 80: Connection refused                    * Closing connection 0                                                          curl: (7) Failed to connect to localhost port 80: Connection refused            admin@i-080ac908debd2d3d7:~$ nc -vv 12                                          

                                                                                You'll want to start by collecting all the clues at the crime scene (the 'crimes                                                                                The officers on the scene are pretty meticulous, so they've written down EVERYTH                                                                                Fortunately the sergeant went through and marked the real clues with the word "C                                                                                If you get stuck, open one of the hint files (from the CL, type 'cat hint1', 'ca                                                                                To check your answer or find out the solution, open the file 'solution' (from th                                                                                To get started on how to use the command line, open cheatsheet.md or cheatsheet.                                                                                Don't use a text editor to view any files except these instructions, the cheatshadmin@i-0529894a1acd35ba0:~/clmystery$ cat mystery/ | grep CLUE                 

Unauthorizedadmin@i-0b6bfc66c49d4e550:~$ curl -v localhost:5000                                 curl: option -: is unknown                      curl: try 'curl --help' or 'curl --manual' for more information                                 admin@i-0b6bfc66c49d4e550:~$ curl -v localhost  *   Trying 127.0.0.1:80...                      * connect to 127.0.0.1 port 80 failed: Connection refused                                       * Failed to connect to localhost port 80: Connection refused                                    * Closing connection 0                          curl: (7) Failed to connect to localhost port 80: Connection refused                            admin@i-0b6bfc66c49d4e550:~$ cur                

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