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How to allow access only this ip address to server postgres

Posted July 8, 2021 327 views
UbuntuSecurityNetworkingFirewallUbuntu 20.04

Hello,
I have ufw enabled, how to make it accept connections for a postgres server (5432) on the internet, only to the ip 190.152.109.234, I have already tried this:
sudo ufw allow from 190.152.109.234 port 5432
sudo ufw allow from 190.152.109.234/32 port 5432
sudo ufw allow proto tcp from 190.152.109.234 port 5432

but nothing works, what could be the cause?

regards..

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efabiancj
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KFSys July 8, 2021

Hi @efabiancj,

Before I can provide you with some examples, I’m not sure I entirely understand, please correct me if I’m wrong. So you have two droplets one of which is a Postgres droplet. You want to allow connections from the droplet that doesn’t have Postgres to the one that does only from the sad IP address, is that correct?

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