Filtering strange character sequences out of usernames

[Alan DeKok]

Barry A Byrne wrote:
> Hello
>  
> The user names arriving at Freeradius from the server has strange
> character sequences in them.
> For instance, the user's realm starts with  =3D28

  If that's what the server receives, that's what the NAS is sending.

> Is there a way of filtering out or converting these sequences to
> something human-readable?

  Regular expressions?  rlm_attr_filter?

  Alan DeKok.
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