...one of the most highly
regarded and expertly designed C++ library projects in the
world.
— Herb Sutter and Andrei
Alexandrescu, C++
Coding Standards
Do not request client certificate on renegotiation. Ignored unless ssl::verify_peer
is set.
const int verify_client_once = implementation_defined;
Header: boost/asio/ssl/verify_mode.hpp
Convenience header: boost/asio/ssl.hpp