Hi everyone. I'm trying to set up a proxy on a remote server (Oracle Free tier VM, Ubuntu Focal 20.04). I can't understand how to open a specific port to the VM. I already made an IPtables rule on the vm (also input default action is set to accept), i did add the port i want to open in the security list of the server but if i run a port scanner, the port is shown as closed. Based on this diagram, it seems like i have all the requirements to make the server visible to the internet and the ping/SSH rules do work (by requirements i mean public subnet with a public ip address, internet gateway, security list and all that). Screenshot of the firewall tab: https://imgur.com/yzPRmA5 (apologies for the language).
Ps. i know there is an Oracle Cloud subreddit but it seems a bit dead.
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