Question

Block ping from the internet

Posted August 27, 2014 5.2k views

Hello

I setted up an openvpn server on ubuntu.

But how can I block incoming ping (icmp) on my public ip from the internet?

Thank you

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2 answers
sudo iptables -A INPUT -p icmp --icmp-type echo-request -j DROP
sudo iptables -A OUTPUT -p icmp --icmp-type echo-reply -j DROP

If I apply a firewall in DO control panel to/for my droplet, I can no longer ping my Ubuntu droplet/server. Then how can I do basic troubleshooting? How to allow pings thru this firewall?

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