What setups/softwares do you use to secure your server?

All I do is run the process as user with no login shell.

The topic came to mind after reading this post Is Authelia enough without fail2ban or crowdsec?

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[–] [B] 3 points 18 hours ago* (last edited 1 hour ago)

Acronyms, initialisms, abbreviations, contractions, and other phrases which expand to something larger, that I've seen in this thread:

Fewer Letters More Letters
CGNAT Carrier-Grade NAT
DNS Domain Name Service/System
Git Popular version control system, primarily for code
LXC Linux Containers
NAT Network Address Translation
SSH Secure Shell for remote terminal access
TLS Transport Layer Security, supersedes SSL
VPN Virtual Private Network
VPS Virtual Private Server (opposed to shared hosting)
nginx Popular HTTP server

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