Automatically log into Duo 2fa. If you have chrome sync turned on it will work anywhere you are signed into chrome.
Duo Mono Extension
AFTER INSTALL — QUICK INSTRUCTIONS
• Go to you Duo protected service as you always do.
• You should see a message from Duo Mono instructing you to sign in as normal.
• If you're sign in is successful, you're all done! You should be automatically logged in from now on.
*If it doesn't work, try reloading the page or contact me for support.*
HOW IT WORKS
On your first sign in after installing the extension you will see a message telling you that you need to sign in with you usual authentication method. By signing in you are allowing Duo Mono to create a new authentication device. This device will say it is of type android device, however, it is actually just using this device to acquire a device token.
Duo Mono uses this token to query Duo's server to acquire an authentication secret. This secret is saved to you google sync storage and used to generate a login token each time it signs you in. It sets your default authentication device to the android device it created. During this process you will see multiple pages be automatically filled in and then you will be redirected to you usual destination.
When your session runs out and you need to authenticate using Duo again, Duo Mono will automatically generate a token and submit it for you.
SECURITY CONCERNS
• Your Duo integrated service is now as secure as your chrome account. If your chrome account is compromised, remove the device Duo Mono created for you immediately because it could be used to sign into your account even if the infiltrator no longer has access to your chrome account. The device will be called ext-auto-login
• This project is open source. You may verify the security of the source code yourself on GitHub. https://github.com/JacobZwang/duo-mono
INFO
• If you need log in manually or change something, open the extension popup in the top right and flip the switch off.
•This will not work with multiple Duo accounts at the same time (yet).
Source Manifest.json
How to download and manually install Duo Mono extension for Chrome
Looking for a way to install Duo Mono extensions for Chrome, you can search for them in the Chrome Web Store, clicking the "Add to Chrome" button, and following the straightforward process.
However, you may need to install Duo Mono extensions manually, this article outlines two simple methods to effortlessly install Duo Mono extensions, whether they come as unpacked folders in compressed formats like .zip or as .crx files.
Method 1: Download Duo Mono extension and manually install through Drag &Drop
If you ever need to manually install a Duo Mono extension for Chrome, don't worry, it's a simple process. Just follow these easy steps, and you will have your extension ready to use in no time.
Step 1: Download the Duo Mono Extension by clicking the "Download CRX" button on the website.
Look for the Duo Mono extension you wish to install. Go to the website and download the Duo Mono extension package, which is usually a .CRX file and comes in a zipped file. Here ".crx" file is the format for Duo Mono extension that contains all the data.
Step 2: Extract &Arrange Files
Once the file is downloaded, extract that file into its own folder. Similarly, give that extension files a permanent home. In other words, keep it in a folder that you don't accidentally delete it because these files will be needed to make that extension work.
Step 3: Go to the Chrome Extensions Page
Open Google Chrome and in the address bar, type chrome://extensions; it will open the Google Chrome extensions page. Make sure that "My extensions" is selected in the sidebar.
Step 4: Drag and Drop the Extension
Now, go to the folder where you extracted the Duo Mono extension and drag &drop the extension file from there anywhere onto the extension page within Google Chrome.
Step 5: Complete the Installation
Once you drag and drop the extension file, follow the steps that Google Chrome takes you through. Similarly, if the extension file is of .crx file format, you will be required to review the permissions and then add the extension.
Now, you can manage that added extension as you would like to with any other Chrome extension that you added through Chrome Webstore. Its icon will also appear in the Google Chrome Menu on the right side of the address bar once you activate it.
Method 2: Download Duo Mono extension for Chrome and install in Developer Mode
This is another method to install Duo Mono extension manually, but the twist is that here, you install by enabling the developer mode option provided in Google Chrome. This mode is commonly used for testing extensions or running unpublished tools.
Step 1: Download the Duo Mono extension file
Select and download the Duo Mono extension by clicking the 'Download CRX' button on the website.
Step 2: Extract the downloaded contents
Convert the file to a ZIP file if it is in CRX format then extract the Duo Mono extension zip file or folder that you downloaded. Make sure you extract it using the same folder name and keep it safely in another folder, so you don't delete it by mistake. The extracted folder will be needed to keep your Duo Mono extension running.
Step 3: Open Chrome Extension Setting Page
In the address bar of Google Chrome, type chrome://extensions and open the Chrome Extension Page.
Step 4: Enable Developer Mode
After opening the Chrome Extension page, look at the top right side, and you will find the toggle option of "Developer mode."Simply enable that developer mode option.
Step 5: Load the Unpacked Extension
Once you enable the developer mode option, you will see the menu of Load Unpacked, Pack Extensions and Update. From that, select the option "Load unpacked."
Step 6: Select the Extension Folder
Once the pop-up opens upon clicking Load unpacked, select the Duo Mono extension directory and click on the "Select Folder "button.
Step 7: Confirm and Install
After you select an extension folder of a Google Chrome extension you're installing manually, confirm its installation for the final time and let the installation complete.
Conclusion
Here we've made a step-by-step guide on How to manually install Duo Mono extension in 2 ways. We hope this guide proves helpful.
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