Any tips for securing a dedicated server?

[CliffordSanchez]

The SSH protocol is designed to secure the connection when you log in to the server. Managing a set of keys avoids having to use passwords. It also simplifies the connection: you can connect to multiple machines using a single key.

[Sean9568]

There is a list of dedicated server security vulnerabilities. Install dedicated trusted SSL on the server. Regular scanning for malware and virus is essential.

[jacobwallace]

Best Server Security Practices
1. Upgrade the software and operating system on a regular basis.
2. Set up your computer to create backups.
3. Limit who has access to your computer's files.
4. Put SSL certificates in place.
5. Make use of virtual private networks (VPNs) (Private Networking)
6. Server Password Protection
7. Protect yourself with a firewall