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Resolved Web Application Firewall for Ubuntu 16.04 (Hacking attacks)

Sofie76

New Pleskian
Hello,

we are running Plesk Obsidian with Ubuntu 16.04.7 LTS. At the moment its not possible for us to switch to Ubuntu 18 or 20. In the last week we have many hacker attacks (SQL Inserts) against our server. We have the normal firewall (iptables) and failtoban active but this is not enough. We need the Web Application Firewall (mod_security) as soon as possible to stop this but the Plesk Update installer is not working anymore. We get the message:

Für Ihr Betriebssystem
( 'Ubuntu' 'Linux' '16.04' 'x86_64' ) sind keine Produkte
von der ausgewählten Quelle verfügbar.

That means, Linux 16 is not supported anymore but like I said, we cant update to 18 or 20 at the moment. Does someone know a other source to install mod security?
Thank you very much for a quick reply.

best regars
Marc
 
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