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I’ve set-up a client/server script to transfer Data via ICMP as a Proof of concept. I can PING the Server from the Client, but the Data from the Client does not arrive at the DigitalOcean Server.
I’ve tested my script locally (without a firewall) and also on an alternative Cloud Hosting Provider (there it works).
I’m running: Ubuntu 24.04.3 LTS on the Client and also set-up the Server with this LTS release. The Inbound Firewall is also configured with a permit for my two ISP-Networks.
I know this is a bit special, but does DigitalOcean block such ICMP Packets with it’s Anti-DDoS mechanism or anything else which I can’t see?
Thanks for your feedback.
SADAS ASD
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Maria Smith
KFSys
Leon Junior
hashembarret@gmail.com