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I am testing the WLAN functionalities of a device connecting to a RADIUS server. This RADIUS server is located on a Raspberry Pi with Raspbian Stretch and is using FreeRADIUS 3.0 and Hostapd. For EAP-PEAP MSCHAPv2 the device should be able to handle usernames and passwords with special characters like:

  • German umlauts
  • Cyrillic letters
  • Chinese characters

and so on...

Now I ask myself:

What characters are allowed to use for the usernames and passwords defined in the authorize file of FreeRADIUS 3.0?

Jannis Kappertz
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1 Answers1

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Radius strings may be any valid UTF8 sequence. There's no limitations on what characters can be used for a user's password or for their username.

Arran Cudbard-Bell
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