Client Puzzles: A Cryptographic Defense Against Connection Depletion Attacks

Ari Juels and John Brainard (RSA Laboratories)

The paper introduces the use of “client puzzles” to protect against connection depletion attacks (a form of denial of service) in connection-oriented protocols, such as TCP Syn flooding.

Date: 4 Feb 1999

Associated Event: NDSS Symposium 1999