Set the minimum TLS version to TLS 1.2

The protocol specification says that the required minimum TLS version is
1.2 and the clients should refuse lower versions.

1 files changed, 1 insertions, 0 deletions

diff --git a/client.go b/client.go
index c04b996..d6cb405 100644
--- a/client.go
+++ b/client.go
@@ -51,6 +51,7 @@ func (c Client) connect(rawURL string) (io.ReadWriteCloser, error) {
 	}
 
 	conf := &tls.Config{
+		MinVersion:         tls.VersionTLS12,
 		InsecureSkipVerify: c.InsecureSkipVerify,
 	}