My e-commerce site and my server has 2mb bandwidth (co location) at internet support provider. My server's operating system is linux.Our site has been ddos attacked for last two days.This attack has been made to my server's port 80.I found 8000 different ip towards my server .My bandwidth satureted so noone can connect my site.

Internet support provider company couldn't protect my server from this attack.This company hasn't ddos attack protect system.

is there any company you can advice ? any idea?