RADIUS attribute from rfc5090

---

Digest-Nonce-Count

This attribute includes the nonce count parameter that is used
         to detect replay attacks.  The attribute MUST only be used in
         Access-Request packets.
   Type
         114 for Digest-Nonce-Count
   Length
         10
   Text
         In Access-Requests, the RADIUS client takes the value of the nc
         directive (nc-value according to ) without surrounding
         quotes from the HTTP-style request it wants to authenticate.

---