Should MAX_STRING_LEN be 253?

Alan DeKok aland at
Fri Aug 19 01:18:41 CEST 2011

Makarand Pradhan wrote:
> As the constant MAX_STRING_LEN is being used in our code to split a big
> EAP message into multiple segments, we tend to loose one byte in every
> segment causing authentication failure (malformed packet received).

  Your code is wrong... it should be splitting EAP messages every 253

> Question:
> Based on the above analysis it was felt that the constant should be 253.
> Should the constant be changed to 253 or is there any other reason for
> keeping it at 254?

  The constant is 254 for reasons internal to FreeRADIUS.

  Alan DeKok.

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