Zabbix

...G...PS. [ZBXNEXT-1263] added checking of incoming connection type for passive proxy configuration update,
                          fixed variable types

    - type of 'connection_type', 'tls_connect', 'tls_accept', 'configured_tls_connect_mode',
      'configured_tls_accept_modes', changed to 'unsigned int' as more suitable for bit operations,
    - added function zbx_tls_connection_type_name().