Knowledge Base
VPS operator guides.
Firewall rules, SSH, and planning notes for operators who run their own VPS—or need the skills alongside Chapter22 game and web hosting.
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Topics in this library.
Guides
Start with a practical guide.
How to Open Ports on a Linux VPS (UFW, firewalld, iptables)
Open TCP/UDP ports on a Linux VPS with UFW, firewalld, or iptables. Verify with ss and an external port check.
Open guide →How to Open Ports on a Windows VPS (Firewall + netsh portproxy)
Create Windows Defender Firewall inbound rules and optional netsh portproxy forwarding so services on your Windows VPS are reachable.
Open guide →VPS Port Forwarding Explained (Firewall vs Home Router)
On a VPS, “port forwarding” means firewall allow rules—not router NAT. See when you need UFW, Windows Firewall, or SSH tunnels.
Open guide →How to SSH Into Your VPS (Windows, Mac, Linux)
Connect to a Linux VPS with OpenSSH or PuTTY: find the IP, use the right user, add your key, and fix common permission and timeout errors.
Open guide →How to Harden SSH on a VPS
Harden OpenSSH on a Linux VPS: key-based login, disable password root login, optional allow lists, and safe rollback via provider console.
Open guide →VPS vs Game Hosting: Which Do You Need?
Compare a do-it-yourself VPS to managed game hosting: control, ports, panels, and when Chapter22 game servers are the better fit.
Open guide →Hosting that matches the workload
Game servers and web hosting.
Use these operator guides on your own infrastructure, or run communities on Chapter22 game hosting and sites on Chapter22 web hosting.