ssl: register probing for port 443 if no config

src/app-layer-ssl.c

@@ -2853,11 +2853,21 @@ void RegisterSSLParsers(void)
                                           STREAM_TOSERVER,
                                           SSLProbingParser, NULL);
         } else {
-            AppLayerProtoDetectPPParseConfPorts("tcp", IPPROTO_TCP,
+            if (AppLayerProtoDetectPPParseConfPorts("tcp", IPPROTO_TCP,
                                                     proto_name, ALPROTO_TLS,
                                                     0, 3,
+                                                    SSLProbingParser, NULL) == 0) {
+                SCLogWarning(SC_ERR_MISSING_CONFIG_PARAM,
+                             "no TLS config found, "
+                             "enabling TLS detection on port 443.");
+                AppLayerProtoDetectPPRegister(IPPROTO_TCP,
+                                              "443",
+                                              ALPROTO_TLS,
+                                              0, 3,
+                                              STREAM_TOSERVER,
                                               SSLProbingParser, NULL);
             }
+        }
     } else {
         SCLogInfo("Protocol detection and parser disabled for %s protocol",
                   proto_name);