s_server: Properly indicate ALPN protocol mismatch

[openssl.git] / apps / s_server.c

diff --git a/apps/s_server.c b/apps/s_server.c
index bcc83e562c24dff33ec9d0a1e82b32156c967d5c..591c6c19c5aad07ca7f4ff8f6be156811ebbc765 100644 (file)
--- a/apps/s_server.c
+++ b/apps/s_server.c
@@ -707,7 +707,7 @@ static int alpn_cb(SSL *s, const unsigned char **out, unsigned char *outlen,
     if (SSL_select_next_proto
         ((unsigned char **)out, outlen, alpn_ctx->data, alpn_ctx->len, in,
          inlen) != OPENSSL_NPN_NEGOTIATED) {
-        return SSL_TLSEXT_ERR_NOACK;
+        return SSL_TLSEXT_ERR_ALERT_FATAL;
     }
 
     if (!s_quiet) {