diff --git a/packages/node_modules/@node-red/nodes/core/network/lib/proxyHelper.js b/packages/node_modules/@node-red/nodes/core/network/lib/proxyHelper.js
index 53e836aba..1bb1cc8e4 100644
--- a/packages/node_modules/@node-red/nodes/core/network/lib/proxyHelper.js
+++ b/packages/node_modules/@node-red/nodes/core/network/lib/proxyHelper.js
@@ -57,11 +57,11 @@ const DEFAULT_PORTS = {
 
 /**
  * @typedef {Object} ProxyOptions
- * @property {string} mode - Legacy mode is for non-strict previous proxy determination logic (node-red < v3.1) (default 'legacy')
- * @property {boolean} favourUpperCase - Favour UPPER_CASE *_PROXY env vars (default false)
- * @property {boolean} lowerCaseOnly - Prevent UPPER_CASE *_PROXY env vars being used. (default false)
- * @property {boolean} excludeNpm - Prevent npm_config_*_proxy env vars being used. (default false)
- * @property {object} env - The environment object to use (default process.env)
+ * @property {'strict'|'legacy'} [mode] - Legacy mode is for non-strict previous proxy determination logic (for node-red <= v3.1 compatibility) (default 'strict')
+ * @property {boolean} [favourUpperCase] - Favour UPPER_CASE *_PROXY env vars (default false)
+ * @property {boolean} [lowerCaseOnly] - Prevent UPPER_CASE *_PROXY env vars being used. (default false)
+ * @property {boolean} [excludeNpm] - Prevent npm_config_*_proxy env vars being used. (default false)
+ * @property {object} [env] - The environment object to use (defaults to process.env)
  */
 
 /**
@@ -74,16 +74,14 @@ const DEFAULT_PORTS = {
 function getProxyForUrl(url, options) {
     url = url || ''
     const defaultOptions = {
-        mode: 'legacy', // TODO: change to 'strict' in V4.x
+        mode: 'strict',
         lowerCaseOnly: false,
         favourUpperCase: false,
         excludeNpm: false,
     }
     options = Object.assign({}, defaultOptions, options)
 
-    //TODO: V4.x default: if mode is not set, default to strict mode
-    // if (options.mode === 'legacy') {
-    if (options.mode !== 'strict') {
+    if (options.mode === 'legacy') {
         return legacyGetProxyForUrl(url, options.env || process.env)
     }
    
diff --git a/packages/node_modules/node-red/settings.js b/packages/node_modules/node-red/settings.js
index 864707538..b8accc47a 100644
--- a/packages/node_modules/node-red/settings.js
+++ b/packages/node_modules/node-red/settings.js
@@ -244,6 +244,14 @@ module.exports = {
      */
     //httpStaticRoot: '/static/',
 
+    /** The following property can be used to modify proxy options */
+    // proxyOptions: {
+    //     mode: "legacy", // legacy mode is for non-strict previous proxy determination logic (node-red < v4 compatible)
+    //     favourUpperCase: false, // Favour UPPER_CASE *_PROXY env vars
+    //     lowerCaseOnly: false, // Prevent UPPER_CASE *_PROXY env vars being used.
+    //     excludeNpm: false, // Prevent npm configured proxy env vars being used.
+    // },
+
 /*******************************************************************************
  * Runtime Settings
  *  - lang