I have configured a floating IP to point at my server.
When I do:
It works fine from my computer and from other servers. But when I run the same command from the server itself (i.e. the server currently pointed to by the floating IP), it produces no results.
Uptil yesterday I was able to do a
curl from my server to itself via the floating IP. Today I can’t. I haven’t changed any configuration on my side.
Has something changed in the way floating IP addresses work?
I’ll include my firewall settings for completeness, but I haven’t changed them recently and, as I say, it used to work.
Chain INPUT (policy DROP) target prot opt source destination ACCEPT all -- anywhere anywhere ACCEPT all -- anywhere anywhere state RELATED,ESTABLISHED ACCEPT tcp -- anywhere anywhere tcp dpt:http state NEW ACCEPT tcp -- anywhere anywhere tcp dpt:https state NEW ACCEPT tcp -- anywhere anywhere tcp dpt:ssh state NEW ACCEPT icmp -- anywhere anywhere limit: avg 1/sec burst 5 icmp echo-request Chain FORWARD (policy DROP) target prot opt source destination Chain OUTPUT (policy ACCEPT) target prot opt source destination
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Digital Ocean support asked me to try to unassigning and reassigning my floating IP. It worked. (But doesn’t explain why it happened in the first place and whether it will happen again. I hope they will look into it.)
Thanks @david615230 - unassigning and reassigning did the trick for me too.
But having this happen out of the blue today on my production site with no explanation is making me really afraid of using floating ips from DigitalOcean…
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