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Guides for people who run their own servers.
Straight-talking tutorials and comparisons on VPS hosting, game servers, Linux and security. No fluff, just what actually works. 346 guides from the team that runs the servers.
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5 guides for “public server” in Security · Clear search
How to Protect a VPS from Brute-Force Attacks
Bots relentlessly guess logins against every public server. Here's a layered playbook — keys, firewall, rate limits and bans — to make brute-forcing pointless.

How to Set Up a UFW Firewall on Ubuntu
UFW makes Linux firewalling approachable. Learn to allow only the ports you need, set default-deny, rate-limit SSH, and verify your rules.

How to Harden SSH on a Linux VPS
A practical, copy-paste guide to locking down the SSH daemon on your VPS — the single most important service to secure on a public server.
How to set up fail2ban to stop brute-force attacks
fail2ban watches your logs and bans IPs that keep failing logins. Learn to install it, protect SSH, tune ban times, and add jails for web services.
How to harden a Linux server: a practical checklist
A public server is probed within minutes of going online. This hardening checklist covers users, SSH, firewalls, updates, fail2ban and monitoring — step by step.
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