# 5 Server Security tools and resources (all free)

5 Server Security resources, picked out of 1 saved Instagram reel and 1 liked tweet, from creators like @brusnicadev, @the_smart_ape. 5 of them are free, freemium or open source.

## All 5

- [Check SSH Brute-Force Login Attempts](https://xiry.app/resources/check-ssh-brute-force-login-attempts): Terminal commands to count and monitor failed SSH logins on Linux (Tip, Free)
- [CrowdSec](https://xiry.app/resources/crowdsec): Open-source collaborative security engine and intrusion prevention system using crowdsourced threat data. (GitHub repo, Open source)
- [endlessh-go](https://xiry.app/resources/endlessh-go): SSH tarpit written in Go with built-in Prometheus metrics and Grafana support (GitHub repo, Open source)
- [Fail2Ban](https://xiry.app/resources/fail2ban): Log-monitoring daemon that dynamically blocks IP addresses causing repeated authentication failures. (GitHub repo, Open source)
- [SSH Brute-Force Protection with fail2ban and ufw](https://xiry.app/resources/ssh-brute-force-protection-with-fail2ban-and-ufw): Quick commands to detect and block SSH brute-force attacks on Linux (Tip, Free)

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