Produit du jour : Internet Anonyme à partir de 5.00 € (Logiciel)
04/04/2008 23:48 par S. A. | 1 réponse(s) | Signaler un contenu abusif ou erroné
Bonsoir,

Ma connexion internet s'effectue par wifi sur boîte modem-parefeu-
routeur extérieur au pc.

J'ai reneigné les instructions suivantes :
- envoyer un email en cas d'attaque sur le réseau.
- faire un historique (log) des attaques.

J'ai donc la copie du log suivant :

--------------------copie du log--------------------ON
03/25/2008 12:37:32 **Smurf** 169.254.255.255->> 169.254.170.164,
Type:3, Code:3 (from PPPoE1 Outbound)
03/25/2008 12:37:30 SMTP> Succeed in sending alert mail.
03/25/2008 12:37:30 **Smurf** 169.254.255.255->> 169.254.170.164,
Type:3, Code:3 (from PPPoE1 Outbound)
03/25/2008 12:37:29 SMTP> Succeed in sending alert mail.
03/25/2008 12:37:29 **Smurf** 169.254.255.255->> 169.254.170.164,
Type:3, Code:3 (from PPPoE1 Outbound)
03/25/2008 12:37:28 SMTP> Succeed in sending alert mail.
03/25/2008 12:37:28 **Smurf** 169.254.255.255->> 169.254.170.164,
Type:3, Code:3 (from PPPoE1 Outbound)
03/25/2008 12:37:27 SMTP> Succeed in sending alert mail.
03/25/2008 12:37:27 **Smurf** 169.254.255.255->> 169.254.170.164,
Type:3, Code:3 (from PPPoE1 Outbound)
03/25/2008 12:37:26 SMTP> Succeed in sending alert mail.
03/25/2008 12:37:25 **Smurf** 169.254.255.255->> 169.254.170.164,
Type:3, Code:3 (from PPPoE1 Outbound)
03/25/2008 12:37:25 SMTP> Succeed in sending alert mail.
03/25/2008 12:37:24 **Smurf** 169.254.255.255->> 169.254.170.164,
Type:3, Code:3 (from PPPoE1 Outbound)
03/25/2008 12:37:23 SMTP> Succeed in sending alert mail.
03/25/2008 12:37:23 **Smurf** 169.254.255.255->> 169.254.170.164,
Type:3, Code:3 (from PPPoE1 Outbound)
03/25/2008 12:37:22 SMTP> Succeed in sending alert mail.
03/25/2008 12:37:22 **Smurf** 169.254.255.255->> 169.254.170.164,
Type:3, Code:3 (from PPPoE1 Outbound)
03/25/2008 12:37:20 SMTP> Succeed in sending alert mail.
03/25/2008 12:37:20 **Smurf** 169.254.255.255->> 169.254.170.164,
Type:3, Code:3 (from PPPoE1 Outbound)
03/25/2008 12:37:19 SMTP> Succeed in sending alert mail.
03/25/2008 12:37:19 **Smurf** 169.254.255.255->> 169.254.170.164,
Type:3, Code:3 (from PPPoE1 Outbound)
03/25/2008 12:37:17 SMTP> Succeed in sending alert mail.
03/25/2008 12:37:17 **Smurf** 169.254.255.255->> 169.254.170.164,
Type:3, Code:3 (from PPPoE1 Outbound)
03/25/2008 12:36:14 SMTP> Succeed in sending alert mail.
03/25/2008 12:36:14 **Smurf** 169.254.255.255->> 169.254.170.164,
Type:3, Code:3 (from PPPoE1 Outbound)
03/25/2008 12:36:13 SMTP> Succeed in sending alert mail.
03/25/2008 12:36:13 **Smurf** 169.254.255.255->> 169.254.170.164,
Type:3, Code:3 (from PPPoE1 Outbound)
03/25/2008 12:36:10 SMTP> Succeed in sending alert mail.
03/25/2008 12:36:10 **Smurf** 169.254.255.255->> 169.254.170.164,
Type:3, Code:3 (from PPPoE1 Outbound)
03/25/2008 12:36:09 SMTP> Succeed in sending alert mail.
03/25/2008 12:36:09 **Smurf** 169.254.255.255->> 169.254.170.164,
Type:3, Code:3 (from PPPoE1 Outbound)
03/25/2008 12:36:07 SMTP> Succeed in sending alert mail.
03/25/2008 12:36:07 **Smurf** 169.254.255.255->> 169.254.170.164,
Type:3, Code:3 (from PPPoE1 Outbound)
03/25/2008 12:35:54 SMTP> Succeed in sending alert mail.
03/25/2008 12:35:54 **Smurf** 169.254.255.255->> 169.254.170.164,
Type:3, Code:3 (from PPPoE1 Outbound)
03/25/2008 12:35:52 SMTP> Succeed in sending alert mail.
03/25/2008 12:35:52 **Smurf** 169.254.255.255->> 169.254.170.164,
Type:3, Code:3 (from PPPoE1 Outbound)
03/25/2008 12:35:51 SMTP> Succeed in sending alert mail.
03/25/2008 12:35:51 **Smurf** 169.254.255.255->> 169.254.170.164,
Type:3, Code:3 (from PPPoE1 Outbound)
03/25/2008 12:35:49 SMTP> Succeed in sending alert mail.
03/25/2008 12:35:49 **Smurf** 169.254.255.255->> 169.254.170.164,
Type:3, Code:3 (from PPPoE1 Outbound)
03/25/2008 12:35:48 SMTP> Succeed in sending alert mail.
03/25/2008 12:35:48 **Smurf** 169.254.255.255->> 169.254.170.164,
Type:3, Code:3 (from PPPoE1 Outbound)
03/25/2008 12:35:46 SMTP> Succeed in sending alert mail.
03/25/2008 12:35:46 **Smurf** 169.254.255.255->> 169.254.170.164,
Type:3, Code:3 (from PPPoE1 Outbound)
03/25/2008 12:35:44 SMTP> Succeed in sending alert mail.
03/25/2008 12:35:44 **Smurf** 169.254.255.255->> 169.254.170.164,
Type:3, Code:3 (from PPPoE1 Outbound)
03/25/2008 12:35:42 SMTP> Succeed in sending alert mail.
03/25/2008 12:35:42 **Smurf** 169.254.255.255->> 169.254.170.164,
Type:3, Code:3 (from PPPoE1 Outbound)
03/25/2008 12:35:41 SMTP> Succeed in sending alert mail.
03/25/2008 12:35:41 **Smurf** 169.254.255.255->> 169.254.170.164,
Type:3, Code:3 (from PPPoE1 Outbound)
03/25/2008 12:35:39 SMTP> Succeed in sending alert mail.
03/25/2008 12:35:39 **Smurf** 169.254.255.255->> 169.254.170.164,
Type:3, Code:3 (from PPPoE1 Outbound)
03/25/2008 12:35:38 SMTP> Succeed in sending alert mail.
03/25/2008 12:35:37 **Smurf** 169.254.255.255->> 169.254.170.164,
Type:3, Code:3 (from PPPoE1 Outbound)
03/25/2008 12:35:36 SMTP> Succeed in sending alert mail.
03/25/2008 12:35:36 **Smurf** 169.254.255.255->> 169.254.170.164,
Type:3, Code:3 (from PPPoE1 Outbound)
03/25/2008 12:35:35 SMTP> Succeed in sending alert mail.
03/25/2008 12:35:35 **Smurf** 169.254.255.255->> 169.254.170.164,
Type:3, Code:3 (from PPPoE1 Outbound)
03/25/2008 12:35:34 SMTP> Succeed in sending alert mail.
03/25/2008 12:35:34 **Smurf** 169.254.255.255->> 169.254.170.164,
Type:3, Code:3 (from PPPoE1 Outbound)
03/25/2008 12:35:33 SMTP> Succeed in sending alert mail.
03/25/2008 12:35:32 **Smurf** 169.254.255.255->> 169.254.170.164,
Type:3, Code:3 (from PPPoE1 Outbound)
03/25/2008 12:35:31 SMTP> Succeed in sending alert mail.
03/25/2008 12:35:31 **Smurf** 169.254.255.255->> 169.254.170.164,
Type:3, Code:3 (from PPPoE1 Outbound)
03/25/2008 12:35:30 SMTP> Succeed in sending alert mail.
03/25/2008 12:35:30 **Smurf** 169.254.255.255->> 169.254.170.164,
Type:3, Code:3 (from PPPoE1 Outbound)
03/25/2008 12:35:29 SMTP> Succeed in sending alert mail.
03/25/2008 12:35:29 **Smurf** 169.254.255.255->> 169.254.170.164,
Type:3, Code:3 (from PPPoE1 Outbound)
03/25/2008 12:35:28 SMTP> Succeed in sending alert mail.
03/25/2008 12:35:27 **Smurf** 169.254.255.255->> 169.254.170.164,
Type:3,
--------------------copie du log--------------------OFF

De quelles attaques s'agit-il ?
Que veut dire "smurf" ?
L'origine de ces attaques peut-elle être localisée ? Par quel moyen ?

Merci d'avance pour vos réponses éventuelles.
__
Salvatore
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mots-clés : attaques, internet Catégories : Sécurité, Sécurité
 
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