💻 I-D-4. Two-Factor Authentication (2FA) Setup: Enhancing Security

 

🛡️ ProxmoxVE #TwoFactorAuthentication (#2FA) #Setup: #Maximizing #Login #Security #Level

The #ProxmoxVE #management #console is the #most #critical #access #point, allowing #control over the #entire #virtualization #environment

Therefore, #access using only an #ID and #password can be #easily #exposed to #security #threats

#TwoFactorAuthentication (#2FA) is the #ultimate #security #measure that #requires #additional #information—something the #user #owns (an #authentication #code on a #mobile #device) in #addition to #information the #user #knows (the #password)—to #fundamentally #block #unauthorized #access

This post will #detail the #stepbystep #method for #setting #up #2FA on a #user #account using the #Proxmox #interface

1. #Concept and #Necessity of #TwoFactorAuthentication (#2FA)



2FA is a #core #technology for #enhancing #security

A. #3 #Factors of #Authentication

In #security, #user #authentication is #based on the #following #three #factors:

  1. #Knowledge: #Something the #user #knows (#password)

  2. #Possession: #Something the #user #has (#OTP #generating #device, #mobile #phone)

  3. #Inherence: The #user's #biological #information (#fingerprint, #facial #recognition)

#TwoFactorAuthentication #typically #combines the #two #factors of #knowledge (#password) and #possession (#OTP #code) to #create a #security #layer

B. #Necessity of #2FA in #Proxmox

  • #Single #Factor #Risk: Even if the #administrator #password is #leaked through #hacking or #phishing, #access is #impossible without #possession of the #mobile #device

  • #Recommendation: #ProxmoxVE #supports #2FA using #standard #TOTP (#Time #based #One #Time #Password) #apps such as #Google #Authenticator or #Microsoft #Authenticator, and it is #strongly #recommended to #set it #up for #all #administrator #accounts

2. #Steps to #Set #Up #TOTP #based #2FA

You #activate #2FA in the #user's #personal #account #settings through the #webconsole #UI

A. #Accessing #Settings

  1. #Log in as the #user for whom you #want to #set #up #2FA on the #Proxmox #webconsole

  2. #Navigate to Datacenter -> Permissions -> Users tab

  3. #Doubleclick your #user #account to #open the #edit #window

B. #Adding #2FA and #Generating #QR #Code

  1. #Click the #TwoFactor #tab

  2. #Select Add -> TOTP Factor

  3. #Enter a #Factor #Name (#identifier) (e.g., Mobile-OTP)

  4. #Click the #Enable #button, and a #QR #code and a #list of #recovery #codes will #appear on the #screen

C. #Registering and #Verifying with the #Authenticator #App

  1. #Run a #TOTP #supporting #app such as the #Google #Authenticator #app on your #smartphone

  2. #Scan the #QR #code with the #app to #register the #Proxmox #account

  3. #Enter the #6 #digit #OTP #code #generated in the #app based on the #current #time into the Verification Code #field on the #Proxmox #screen

  4. #Click the #Verify #button to #confirm #successful #registration

3. #Login #Sequence #After #2FA #Setup #Completion



Once #setup is #complete, #additional #authentication #steps will be #required for #subsequent #access

A. #Login #Process

  1. #Enter your #user #ID and #password after #accessing the #webconsole

  2. After #entering the #password, an #additional #field (Second Factor) will #appear

  3. #Enter the #6 #digit #OTP #code #generated based on the #current #time from your #smartphone #app

  4. #Login #complete

B. #Importance of #Recovery #Codes

  • The #Recovery #Codes #list #provided during #QR #code #generation must be #stored in a #safe #place (#vault, #encrypted #note, #etc.)

  • #Recovery #Codes #act as an #emergency #key that can be #used for #one #time #access if the #smartphone is #lost or the #app is #deleted, #making #OTP #generation #impossible

#Setting #up #TwoFactorAuthentication is the #simplest and #most #effective #way to #significantly #enhance #ProxmoxVE #management #security

ProxmoxVE, TwoFactorAuthentication, 2FA, TOTP, Security, Login, Authenticator, RecoveryCode, Password, User

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