I guess you've never been DDoS'd before? IPTables won't cut it when the traffic is big enough to saturate the network: https://www.linode.com/blog/cloud-compu

I guess you've never been DDoS'd before? IPTables won't cut it when the traffic is big enough to saturate the network: https://www.linode.com/blog/cloud-computing/christmas-ddos-retrospective/ https://www.linode.com/blog/cloud-computing/christmas-ddos-r... (I do agree about 3rd parties though, which is what makes this problem hard.)