3.88.6. OTPCharset Previous topic Parent topic Child topic Next topic

OTPCharset allows limiting and changing the characters allowed in OTPs. Defaults to 0-9cbdefghijklnrtuv which allows OATH and Yubico OTPs. The value of the parameter is a Perl character set specification. See your Perl reference manual for details about how to construct Perl character set specifications. Note that the some special characters must be escaped with a backslash.
# Allow Yubico OTPs only
OTPCharset cbdefghijklnrtuv
Note
If you need to support non-standard keyboard layouts, such as Dvorak, you may need to change OTPCharset.