[CentOS-devel] CentOS services being DDoS'd
Laurentiu Pancescu
lpancescu at centosproject.org
Mon Aug 7 21:55:10 UTC 2017
On 07/08/17 13:13, Karanbir Singh wrote:
>
> I had recommended and Fabian looked at mod-evasive, but has reservations
> around that. how do people these days typically handle flood situations ?
>
That depends on the size and type of the attack - I think one can only
fend off small attacks. People facing DDoS probably host on a service
like OVH, which employ expensive hardware (e.g. from Arbor Networks) to
handle layer 3 attacks, or, for layer 7 attacks, hide behind an HTTP
reverse proxy like CloudFlare. There are also companies specialized in
preventing large-scale attacks (like Akamai or Level3), but they tend to
be quite expensive. AWS or Google Cloud won't go down either, but the
bandwidth bill would probably drive a small company into bankruptcy
really fast.
If it's the same set of IPs, perhaps you could ask the upstream provider
to filter them. Is the attack still going on?
Regards,
Laurențiu
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