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  2. List of file signatures - Wikipedia

    en.wikipedia.org/wiki/List_of_file_signatures

    List of file signatures. This is a list of file signatures, data used to identify or verify the content of a file. Such signatures are also known as magic numbers or Magic Bytes. Many file formats are not intended to be read as text. If such a file is accidentally viewed as a text file, its contents will be unintelligible.

  3. Help:Two-factor authentication - Wikipedia

    en.wikipedia.org/wiki/Help:Two-factor_authentication

    Go to Special:Manage Two-factor authentication. Click "Enable" next to "TOTP (one-time token)", and log in with your username and password. Click the "Add" button at the bottom-left of Authenticator. Select "Authenticator". Type "Wikipedia" and your account name (e.g. "Wikipedia – Example") into the "Name" field.

  4. Universal 2nd Factor - Wikipedia

    en.wikipedia.org/wiki/Universal_2nd_Factor

    Universal 2nd Factor (U2F) is an open standard that strengthens and simplifies two-factor authentication (2FA) using specialized Universal Serial Bus (USB) or near-field communication (NFC) devices based on similar security technology found in smart cards.

  5. Fix problems signing into your AOL account - AOL Help

    help.aol.com/articles/help-signing-in

    Call paid premium support at 1-800-358-4860 to get live expert help from AOL Customer Care. Having trouble signing in? Find out how to identify and correct common sign-in issues like problems with your username and password, account locks, looping logins, and other account access errors.

  6. HMAC-based one-time password - Wikipedia

    en.wikipedia.org/wiki/HMAC-based_one-time_password

    6-digit codes are commonly provided by proprietary hardware tokens from a number of vendors informing the default value of d. Truncation extracts 31 bits or log 10 ⁡ ( 2 31 ) ≈ 9.3 {\textstyle \log _{10}(2^{31})\approx 9.3} decimal digits, meaning that d can be at most 10, with the 10th digit adding less variation, taking values of 0, 1 ...

  7. Add, replace or remove AOL account recovery info

    help.aol.com/articles/add-or-update-aol-account...

    Call paid premium support at 1-800-358-4860 to get live expert help from AOL Customer Care. Find out how to add or delete a recovery mobile phone number or alternate email address from your AOL account.

  8. File:Facebook f logo (2021).svg - Wikipedia

    en.wikipedia.org/wiki/File:Facebook_f_logo_(2021...

    Description. "f" logo for Facebook as acquired from the HTML+SVG source of a page on facebook.com. 2021 date in filename is not suggestive of when logo first came to be used, merely the year the logo was acquired and uploaded (a more definitive date may be possible by checking on archive.org).

  9. File:Facebook logo (2023).svg - Wikipedia

    en.wikipedia.org/wiki/File:Facebook_Logo_(2023).svg

    File:Facebook logo (2023).svg. Size of this PNG preview of this SVG file: 512 × 91 pixels. Other resolutions: 320 × 57 pixels | 640 × 114 pixels | 1,024 × 182 pixels | 1,280 × 228 pixels | 2,560 × 455 pixels. Original file ‎ (SVG file, nominally 512 × 91 pixels, file size: 2 KB) This is a file from the Wikimedia Commons.