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Contents

  1. Links
  2. KeePassXC
    1. Features
    2. Description
    3. How KeePassXC works
    4. Creating a Password Vault
    5. Best practice: Sync Vault via cloud
  3. Browser integration / MFA Setup / Passkeys
    1. Settings
    2. Browser Plugin
      1. Option: Passkeys
    3. Regular Username / Password
    4. MFA
      1. TOTP
      2. Passkey
      3. Recovery Keys
    5. Same account / different URLs
    6. Problems
      1. Brave: No connection
      2. Brave: Plugin spinning wheel turns all the time, no connection
        1. Option 1
        2. Option 2
        3. Option 3
        4. Option 4

Links

KeePassXC

keepassx.png

Features

  • Different passwords for different accounts.
  • MFA for modern accounts/services- this becomes so easy, use it wherever it is possible.
  • No single device dependency. Your passwords are where you are.
  • Splitted security levels (multiple vaults).
  • Awesome browser integration.
  • Sharing credentials (multiple vaults, shared via cloud storage). E.g. a) team: sharing credentials, b) family: shared WLAN password, children school accounts.

Description

KeePassXC is a tool to store and manage passwords. Apps are freely available for

Mobile Integration:

  • We have tested KeePassXC on mobile devices only very roughly.
  • The integration is not as good ('simple to use') as on the desktop app or in the browser.
  • Never the less: most persons see's it as an advantage to have the personal vault on their mobile device accessible.

How KeePassXC works

  • KeePassXC create/open/edit/save password-vaults in a single file.
  • A password-vault is basically an encrypted file, where you can store your various usernames/passwords/URLs and also attachments like pictures or other important / private documents.
  • A password-vault can only be opened if you know the Master-Password. The Master Password is the key to all your stored passwords.
  • If you forgot your Master-Password, you cannot access your stored passwords anymore.
  • Encryption -- either the Advanced Encryption Standard (AES) or the Twofish algorithm are used for encryption of the vault in 256 bit sized increments

  • All features: http://www.keepassx.org/features/

Creating a Password Vault

  • Click on "File" --> "New Database..."

  • You will be prompted to set a master key. Input your master password (the master password for all your other stored passwords). Then click "OK"
  • Repeat your master password. click "OK".
  • Chose a group. (Standard choices are Internet of eMail. You can also create your own groups).

  • Click on "Entries" --> "Add New Entry..."

  • Input the information you need
    • Title: a short description of the entry
    • Username: your username
    • URL: on what homepage do you need the password
    • Password: your password
    • Repeat: repeat your password
    • Comment: a longer description of the entry

  • Click on "File" --> "Save Database"

  • Chose a location and a name for your password database. click "OK"

Best practice: Sync Vault via cloud

  • Only use a cloud service if you need to sync your passwords across several devices! (Recommendation: yes, use a cloud service)
  • Decide on your own:
    • Pro 'cloud':
      • all of your confidental data on all devices.
      • implicit backups (data on multiple devices, and also in the cloud).
    • Contra 'cloud':
      • all of your confidental data on all devices - higher chance that your (encrypted) vaults are accessible to others.
      • If your cloud access is compromised or the cloud service provider is compromised: the thief owns the (enrypted) vault.

  • US based cloud provider like Google Drive, Dropbox, Apple iDrive, Microsoft OneDrive:

    • Those services are very attractive to hackers.
    • The NSA has the right to get all data from US companies. After Snowden it's for sure, the NSA is not friendly.

    • Rule of thumb: Don't use US hosted / company based services for confidential data.

  • Local cloud storage provider:
  • How to:

    • On all devices where you like to sync your KeePassXC Vault file, install and configure drive.math.uzh.ch

    • Open the KeePassXC vault file on all of your devices directly from the cloud folder.
  • Automatic merge of vault: Even if KeePassXC has a vault opened, changes on a different device (e.g. phone) and sync via cloud, becomes immediately active.
    • If you work in a team: no change, everyone can open the local copy - changes will be merged.

Browser integration / MFA Setup / Passkeys

  • KeePassXC can be used from within a browser (Chrome, Chromium, Firefox, Vivaldi, Brave, ...)
  • Browser connection to KeePassXC is nice: different browsers offer the same accounts/credentials - if synced via cloud than also on different computers.
  • TOTP service (one time token).
  • Passkeys support.
  • Again, think on this: There is only one source of truth (=one KeePassXC vault), in all browsers you have all your credentials available.

Finally:

  • no more MS-Authenticator app needed

  • no more single device dependency (Phone at home, ...)

  • login to any MFA protected website without a mobile phone - Biggest advantage: your second token are controlled by you, not any provider.

  • still secure - the second factor is now your KeePassXC.

Settings

kp-browserintegration.png

  • Settings > Browser Integration > Enable integration ...: Chrome, Firefox, ...

Browser Plugin

  • Install the corresponding browser plugin (links to app store: check above the settings dialog '5' )

Option: Passkeys

  • Passkeys have to explicitly enabled in the browser plugin:

kp-passskeys.png

Regular Username / Password

  • Take care that the KeePassXC icon on the top right is 'green' = connection to vault is active.
  • Open the login page in the browser.

kp-fill.png

  • Click on the small green kp icon.
  • Choose the account.

MFA

TOTP

  • To use TOTP with Microsoft Office 365 login: Add another (than MS-Authenticator-) app, as second factor How To

kp-totp.png

  • Add TOTP functionality to individual accounts: Account > right mouse click > TOTP > Setup TOTP

  • On a MFA-TOTP secured login website, just login as usual with KeePassXC, on the next page, where the one time token is requested, click again on the green symbol.

Hint:

  • On the TOTP setup you have to provide the 'shared secret'.

  • The shared scecret is provided by the website which hosts the login, typically where the MFA can be configured.
    • Either in plaintext like 'ABCD EFGH 1234 IJKL 5678 MNOP QRST UV89'.
    • As a QR code to scan.

      • Here sometimes it's a URL or a fido string.

      • If it is not in plaintext in the URL, hopefully the assigned app (=keepassdx) opens.
      • Option: be creative - scan the QR, look at the url (or send the URL via 'share' to yourself): you should see the shared secret as an argument in the URL.

Passkey

  • Passkey / webauthn are offered as an additional way to use MFA.

  • Passkeys are significant more secure than MFA via a) email code or b) One Time Token, c) Authenticator App, cause they use pairing between store and the application.
  • But: Some websites work better than others. E.g. eduid.ch is ok, gitlab is ok but with popup, Microsoft is broken for Linux/Chrome/KeePassXC, ...
  • The paring is also a disadvantage: you need different keys for each store. Sure, KeepassXC acts like 'one store'.
  • Logging to a passkey secured application only works with a running passkey device / software.
    • In contrast: TOTP is fine if you get the code from your Mobile/Keepass App and type it in a browser on a computer.
  • Using passkeys is recommended, but only after you got experience with KeepassXC and the corresponding browser plugin.

Recovery Keys

  • Some services offers recovery keys.
  • Copy the keys in corresponding account record in KeePassXC.
  • If you used a key (it's burnt now), remove it from the list (if there was only one key, update it with the new one).

Same account / different URLs

kp-addurl.png

  • This is very powerful - add as many URLs you like to the same account record - the helps to keep your vault clean! 

https://odc.officeapps.live.com
https://onedrive.live.com/
https://login.live.com/

Problems

Brave: No connection

If connection to KeepassXC fails after (re)starting Brave:

  • In KeepassXC open Settings > Browser Integration > Enable integration for there browsers: Off & On

Brave: Plugin spinning wheel turns all the time, no connection

Option 1

  • Quit Brave.
  • Optional: Check that there are no leftover processes.
  • Check if keepassx gets a connection.

  • No? Repeat the quit/restart at least 4 times - answer question like 'Restore pages' or 'Profile broken' (than quit). ... makes no sense, right? Try it!

Option 2

  • Open the keepassx plugin options page.
  • Change a setting.
  • Close the tab.
  • Open the keepassx plugin options page again.
  • Is the setting still the one you choosed before?
  • No: exit Brave (check that all processes are closed).
  • Repeat the test - up to 3 times!!!

Option 3

  • In Brave: Remove extension keepassxc plugin.

  • Quit Brave.

  • Check that really all brave processes are quit: ps -ef | grep brave | grep $USER

  • Clean tempfiles: \rm -R /tmp/.cache-$USER/BraveSoftware

  • Start Brave again.

  • Install Brave plugin keepassxc.

  • Optional: Import Brave plugin keepassxc settings (export them earlier when all is fine).

Option 4

  • Close all Browser: Chrome, Brave, Firefox, Teams [PWA], Spotify [PWA]
  • Close KeepassXC

  • for II in  keepassxc-proxy keepassxc brave firefox chrome; do pkill $II; pkill -9 $II; done

  • (!) Start and quit brave

  • Start KeepassXC
  • Start brave.
    • If necessary, remove keepassxc plugin and reinstall.
    • Connect to KeepassXC