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In ubuntu, I was using a VPS (virtual private server) through a hosting company. The servers are internet ready, with no security installed. We were using Ubuntu, based on system requirements for multimedia streaming software. We now may have to shift to Debian Linux.
So, the first steps I do on Ubuntu are:
1. Configure iptables to only allow whitelist IPs and drop everyone else, and ports set for HTTP, HTTPS and SSH.
2. Install and update and configure portsetnry -- failed on ubuntu 20.04, but works on versions 14-18 much like the streaming software.
3. Install and update and configure fail2ban -- supposedly works on Debian and Ubuntu.
However, I am not finding either of these packages on Debian ... anyone know if fail2ban and portsentry are on Debian?
So, the first steps I do on Ubuntu are:
1. Configure iptables to only allow whitelist IPs and drop everyone else, and ports set for HTTP, HTTPS and SSH.
2. Install and update and configure portsetnry -- failed on ubuntu 20.04, but works on versions 14-18 much like the streaming software.
3. Install and update and configure fail2ban -- supposedly works on Debian and Ubuntu.
However, I am not finding either of these packages on Debian ... anyone know if fail2ban and portsentry are on Debian?