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points by voidUpdate 1 day ago | 0 comments

If I send a load of ICMP at a datacenter, don't they just get dealt with at the firewall, not by individual servers? Like I can't ping a specific machine inside a datacenter, it just pings the datacenter itself

[–] jameshart 1 day ago

What if the ICMP packets are coming from inside the datacenter?

Consider a shared or cloud hosting scenario for example.

[–] jeroenhd 1 day ago

Depends on how the datacenter deals with ICMP. If you host dedicated machines on dedicated IP addresses, there's no need to deal with traffic rewriting and you can just use ICMP the normal way. If you apply NAT or weird filtering then you'll hit the firewall first of course.