Upper-level protocol authentication

H - Electricity – 04 – L

Patent

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H04L 9/32 (2006.01)

Patent

CA 2548336

A method for authenticating communication traffic includes receiving a first message, sent over a network from a source address, requesting information from a server in accordance with a higher-level protocol. A challenge is sent to the source address in reply to the first message, in accordance with the higher-level protocol. A second message is received from the source address following the challenge, and the legitimacy of the source address is assessed by determining whether the second message contains a correct response to the challenge.

Un procédé d'authentification du trafic des communications consiste à recevoir un premier message, envoyé sur un réseau à partir d'une adresse source, à demander des informations à partir d'un serveur en fonction d'un protocole de niveau supérieur. Une interrogation est envoyée à l'adresse source en réponse au premier message, conformément au protocole de niveau supérieur. Un deuxième message est reçu en provenance de l'adresse source suite à l'interrogation et la légitimité de l'adresse source est déterminée lorsqu'il est établi que le deuxième message contient une réponse correcte à l'interrogation.

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