Help with DDoS attack

[DarkDenim]

A friend's website has been under DDoS attack for a week and the ISP can't help. What should he do?

 

[Ray7905]

Sucuri.net

 

[Ray7905]

Couple of DNS changes, their firewall = problem solved

https://sucuri.net/website-firewall/signup

 

[Venomous]

Dyndns.org for dns services

 

[DarkDenim]

Thanks guys!