diff --git a/client/i18n/locales/english/translations.json b/client/i18n/locales/english/translations.json
index 08a1c79c44..24874d5d5f 100644
--- a/client/i18n/locales/english/translations.json
+++ b/client/i18n/locales/english/translations.json
@@ -476,6 +476,7 @@
     "url-not-image": "URL must link directly to an image file",
     "use-valid-url": "Please use a valid URL",
     "editor-url": "Remember to submit the Live App URL.",
+    "http-url": "An unsecure (http) URL cannot be used.",
     "own-work-url": "Remember to submit your own work.",
     "publicly-visible-url": "Remember to submit a publicly visible app URL."
   },
diff --git a/client/src/components/formHelpers/FormFields.js b/client/src/components/formHelpers/FormFields.js
index 72367f814f..12ae3ab1fc 100644
--- a/client/src/components/formHelpers/FormFields.js
+++ b/client/src/components/formHelpers/FormFields.js
@@ -15,7 +15,8 @@ import {
   editorValidator,
   localhostValidator,
   composeValidators,
-  fCCValidator
+  fCCValidator,
+  httpValidator
 } from './FormValidators';
 
 const propTypes = {
@@ -39,7 +40,8 @@ function FormFields(props) {
     placeholders = {},
     required = [],
     types = {},
-    isEditorLinkAllowed = false
+    isEditorLinkAllowed = false,
+    isLocalLinkAllowed = false
   } = options;
 
   const nullOrWarning = (value, error, isURL, name) => {
@@ -54,7 +56,8 @@ function FormFields(props) {
     const validationWarning = composeValidators(
       name === 'githubLink' || isEditorLinkAllowed ? null : editorValidator,
       fCCValidator,
-      localhostValidator
+      httpValidator,
+      isLocalLinkAllowed ? null : localhostValidator
     )(value);
     const message = error || validationError || validationWarning;
     return message ? (
diff --git a/client/src/components/formHelpers/FormValidators.js b/client/src/components/formHelpers/FormValidators.js
index 13f4fd4045..05aa86f550 100644
--- a/client/src/components/formHelpers/FormValidators.js
+++ b/client/src/components/formHelpers/FormValidators.js
@@ -5,6 +5,7 @@ import { Trans } from 'react-i18next';
 const editorRegex = /repl\.it\/(@|join\/)|glitch\.com\/edit\/#!|codesandbox\.io\/s\/|github\.com/;
 const fCCRegex = /codepen\.io\/freecodecamp|freecodecamp\.rocks|github\.com\/freecodecamp/i;
 const localhostRegex = /localhost:/;
+const httpRegex = /http(?!s|([^s]+?localhost))/;
 
 export const editorValidator = value =>
   editorRegex.test(value) ? <Trans>validation.editor-url</Trans> : null;
@@ -17,5 +18,8 @@ export const localhostValidator = value =>
     <Trans>validation.publicly-visible-url</Trans>
   ) : null;
 
+export const httpValidator = value =>
+  httpRegex.test(value) ? <Trans>validation.http-url</Trans> : null;
+
 export const composeValidators = (...validators) => value =>
   validators.reduce((error, validator) => error ?? validator?.(value), null);
diff --git a/client/src/components/formHelpers/index.js b/client/src/components/formHelpers/index.js
index 1a70ea1caf..40daf0da60 100644
--- a/client/src/components/formHelpers/index.js
+++ b/client/src/components/formHelpers/index.js
@@ -3,7 +3,8 @@ import {
   localhostValidator,
   editorValidator,
   composeValidators,
-  fCCValidator
+  fCCValidator,
+  httpValidator
 } from './FormValidators';
 
 export { default as BlockSaveButton } from './BlockSaveButton.js';
@@ -16,13 +17,14 @@ const normalizeOptions = {
 };
 
 export function formatUrlValues(values, options) {
-  const { isEditorLinkAllowed, types } = options;
+  const { isEditorLinkAllowed, isLocalLinkAllowed, types } = options;
   const validatedValues = { values: {}, errors: [], invalidValues: [] };
   const urlValues = Object.keys(values).reduce((result, key) => {
     let value = values[key];
     const nullOrWarning = composeValidators(
       fCCValidator,
-      localhostValidator,
+      httpValidator,
+      isLocalLinkAllowed ? null : localhostValidator,
       key === 'githubLink' || isEditorLinkAllowed ? null : editorValidator
     )(value);
     if (nullOrWarning) {
diff --git a/client/src/templates/Challenges/projects/SolutionForm.js b/client/src/templates/Challenges/projects/SolutionForm.js
index a413fda5b7..ab943b4725 100644
--- a/client/src/templates/Challenges/projects/SolutionForm.js
+++ b/client/src/templates/Challenges/projects/SolutionForm.js
@@ -31,9 +31,9 @@ export class SolutionForm extends Component {
   handleSubmit(validatedValues) {
     // Do not execute challenge, if errors
     if (validatedValues.errors.length === 0) {
+      // updates values on store
+      this.props.updateSolutionForm(validatedValues.values);
       if (validatedValues.invalidValues.length === 0) {
-        // updates values on server
-        this.props.updateSolutionForm(validatedValues.values);
         this.props.onSubmit({ isShouldCompletionModalOpen: true });
       } else {
         this.props.onSubmit({ isShouldCompletionModalOpen: false });
@@ -59,7 +59,8 @@ export class SolutionForm extends Component {
         githubLink: 'url'
       },
       required: ['solution'],
-      isEditorLinkAllowed: false
+      isEditorLinkAllowed: false,
+      isLocalLinkAllowed: false
     };
 
     const buttonCopy = isSubmitting
@@ -79,6 +80,7 @@ export class SolutionForm extends Component {
 
       case backend:
         formFields = solutionField;
+        options.isLocalLinkAllowed = true;
         solutionLink = solutionLink + 'https://project-name.camperbot.repl.co/';
         break;