Server can no longer be pinged. ICMP traffic being dropped before reaching server in California.

I have a newly developed ping problem. I can SSH to my server, but I can no longer ping it. tcpdump on the server shows no ICMP traffic reaching the public interface. I can ping other servers, just not my digitalocean server. mtr will not trace the route much past an L3 in San Jose. Why is ICMP traffic being dropped? Could this be a floating IP configuration issue?

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Hey there!

It sounds like either your droplet firewall or a Cloud Firewall is blocking ICMP traffic. If you have a CloudFirewall enabled for this droplet you will need to be sure to let ICMP traffic through if you wish to get a response. Firewall Rules

If you do have a firewall setup on the droplet itself it may be blocking ICMP traffic and it would also need to allow that through. The steps do do that would depend on the firewall you are running.

Hope it helps! Nate