Use zowe standard network config

Signed-off-by: 1000TurquoisePogs <[email protected]>

lib/webserver.js

@@ -328,17 +328,15 @@ WebServer.prototype = {
       }
       //secureOptions and secureProtocol documented here: 
       //https://nodejs.org/api/tls.html#tls_tls_createsecurecontext_options
-      if (typeof options.secureOptions == 'number') {
+      if (options.maxTls || options.minTls) {
+        this.httpsOptions.maxTls = options.maxTls;
+        this.httpsOptions.minTls = options.minTls;
+      } else if (typeof options.secureOptions == 'number') {
         //the numbers you want here actually come from openssl, and are likely 
         //in this file: https://github.com/openssl/openssl/blob/master/include/openssl/ssl.h
         this.httpsOptions.secureOptions = options.secureOptions;
       } else if (typeof options.secureProtocol == 'string') {
         this.httpsOptions.secureProtocol = options.secureProtocol;
-      } else {
-        let consts = crypto.constants;
-        //tls 1.3 was released in 2018, and tls 1.2 should be in this blacklist list when it has widespread support
-        this.httpsOptions.secureOptions = consts.SSL_OP_NO_SSLv2 | 
-          consts.SSL_OP_NO_SSLv3 | consts.SSL_OP_NO_TLSv1 | consts.SSL_OP_NO_TLSv1_1;
       }
 
       let ciphers = readCiphersFromArray(options.ciphers);