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Why can't I ping some websites?
(lemmy.world)
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this post was submitted on 16 Jun 2023
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what advantages can derive from this?
Prevents some types of port scanning normally. Don't know about other advantages
ICMP is one vector of a distributed denial of service attack. Also, even if not denying the service, it puts load on the network interfaces / routers of that server - everything behind the first firewall / router layer that would otherwise block the ICMP requests.