diff -up stunnel-5.55/src/options.c.system-ciphers stunnel-5.55/src/options.c

--- stunnel-5.55/src/options.c.system-ciphers	2019-09-19 14:43:00.631059024 +0200

+++ stunnel-5.55/src/options.c	2019-09-19 14:51:02.120053849 +0200

@@ -277,7 +277,7 @@ static char *option_not_found=

     "Specified option name is not valid here";

 static char *stunnel_cipher_list=

-    "HIGH:!aNULL:!SSLv2:!DH:!kDHEPSK";

+   "PROFILE=SYSTEM";

 #ifndef OPENSSL_NO_TLS1_3

 static char *stunnel_ciphersuites=