Hi,

You can act on DDoS on Layer 4 and apply policies to shape traffic :

http://www.allot.com/Service_Protector.html (previously Esphion)

http://www.arbornetworks.com/arbor-pravail-availability-protection-syste
m.ht
ml

Regards,

Yannick

-----Message d'origine-----
De : listbounce (at) securityfocus (dot) com [email concealed] [mailto:listbounce (at) securityfocus (dot) com [email concealed]] De
la part de alain.karioty (at) corero (dot) com [email concealed]
Envoyé : mercredi 4 juillet 2012 10:52
À : security-basics (at) securityfocus (dot) com [email concealed]
Objet : Re: Re: mcafee DDOS solution

ISP can block volumetric DDoS attacks (layer 2/3).

When the attack is build with tools like LOIC, SLOW LORIS, HULK, Hping,...
the ISP cannot do anything.

The ISP only count packets and look on traffic anomaly. All the tools used
today for DDoS are working on layer 7 and have similar behaviour as a
legitimate connection.

The right strategy is ISP service for volumetric attacks and on premise DDoS
Defense solution for Layer 7 attacks, reflective attacks (spoofing),
specially crafted packets attacks and other kind of attacks which may be
generated by internal hosts compromised.

Regards,

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