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i need get protocol(HTTP, FTP, SSMTP, IMAP, ETC) from ip address and port with Python3.
Example:
s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
protocol = s.connect( ("localhost", 80 )
print protocol #print HTTP
In general, it’s not possible to detect the protocol type of a server listening on some port. The best you can get is request the name of the service that is normally associated with some port number: