Today’s “useful tool of the day” comes to us thanks to the openssl command line tool from openssl. It was probably well known to all, but I just found out about it today.
From the openssl man page:
s_client This implements a generic SSL/TLS client which can establish a transparent connection to a remote server speaking SSL/TLS. It's intended for testing purposes only and provides only rudimentary interface functionality but internally uses mostly all functionality of the OpenSSL ssl library.
Here’s an example:
Continue reading openssl as a debugging client