root@hostname ~ # curl --version
curl 7.46.0 (x86_64-pc-linux-gnu) libcurl/7.46.0 GnuTLS/3.3.19 zlib/1.2.8 libidn/1.29 libssh2/1.4.3 nghttp2/1.6.0 librtmp/2.3
Protocols: dict file ftp ftps gopher http https imap imaps ldap ldaps pop3 pop3s rtmp rtsp scp sftp smb smbs smtp smtps telnet tftp 
Features: AsynchDNS IDN IPv6 Largefile GSS-API Kerberos SPNEGO NTLM NTLM_WB SSL libz TLS-SRP HTTP2 UnixSockets