$ ./ssl-cert-parse.py -h usage: ssl-cert-parse.py [-h] [-a] [-b] [-d HOSTNAME] [-e] [-f FILENAME] [-p PORT] [-t {tls1,tls1_1,tls1_2}] optional arguments: -h, --help show this help message and exit -a, --all Show the entire output -b, --basic Show the basic data output -d HOSTNAME, --dest HOSTNAME Set the hostname to connect to -e, --extended Show the extended data output -f FILENAME, --file FILENAME Set the file that contains the SSL certificate -p PORT, --port PORT Set the port to connect to -t {tls1,tls1_1,tls1_2}, --tls-version {tls1,tls1_1,tls1_2} Set the protocol to use when connecting