I have a magic transit ip here 45.89.30.55 that suddenly started blocking syn-ack packets from port 4000 from any ip. This was verified by running tcpdump and netcat with different ips and ports.
I asked my host to have cloudflare fix it because they probably have enterprise support while I do not, but they told me that cloudflare support doesn’t listen to them.
Am I able to get any help here?