How-To-Secure-A-Linux-Server
r-selfhosted-security
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| How-To-Secure-A-Linux-Server | r-selfhosted-security | |
|---|---|---|
| 48 | 5 | |
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| 9 days ago | about 2 years ago | |
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How-To-Secure-A-Linux-Server
- An evolving how-to guide for securing a Linux server
- How to Secure a Linux Server
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Should I set up my own server?
- own server costs about $5/month. I recommend using docker to deploy hbbr and hbbs. Back up the key in case you need to re-deploy. You do need to secure your Linux server, and this community-driven Github guide has some good tips to get started.
- How-To-Secure-A-Linux-Server: An evolving how-to guide for securing a Linux server.
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Automating the security hardening of a Linux server
I have been using the How To Secure A Linux Server guide for quite a while and wanted to learn Ansible, so I created two playbooks to automate most of the guides content. The playbooks are still a work in progress.
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Connecting to docker containers rarely work, including via Caddy (non docker) reverse proxy
If it works, I will then follow the hardening guide I did before (https://github.com/imthenachoman/How-To-Secure-A-Linux-Server) and test after every step
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Resources to learn backend security from scratch
Maybe these two repos can help you, I've used them both from time to time to look up stuff I have no idea about as a frontend main: https://github.com/imthenachoman/How-To-Secure-A-Linux-Server https://github.com/decalage2/awesome-security-hardening
- Time to start security hardening - been lucky for too long
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Ask HN: How can a total beginner start with self-hosting
> In short it’s all about control, privacy, and security, in that order.
I am going to strongly urge you to consider changing that order and move *security* to the first priority. I have long run my own servers, it is much easier to setup a server with strong security foundation, than to clean up afterwards.
As a beginner, you should stick to a well known and documented Linux server distribution such as Ubuntu Server LTS or Fedora. Only install the programs you need. Do not install a windowing system on it. Do everything for the server from the command line.
Here are a few blog posts I have bookmarked over the years that I think are geared to beginners:
"My First 5 Minutes On A Server; Or, Essential Security for Linux Servers": An quick walk through of how to do basic server security manually [1]. There was a good Hacker News discussion about this article, most of the response suggests using tools to automate these types of security tasks [2], however the short tutorial will teach you a great deal, and automation mostly only makes sense when you are deploying a number of similar servers. I definitely take a more manual hands-on approach to managing my personal servers compared to the ones I professionally deploy.
"How To Secure A Linux Server": An evolving how-to guide for securing a Linux server that, hopefully, also teaches you a little about security and why it matters. [3]
Both Linode[4] and Digital Ocean[5] have created good sets of Tutorials and documentation that are generally trustworthy and kept up-to-date
Good luck and have fun
[1]: https://sollove.com/2013/03/03/my-first-5-minutes-on-a-serve...
[2]: https://news.ycombinator.com/item?id=5316093
[3]: https://github.com/imthenachoman/How-To-Secure-A-Linux-Serve...
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Selfhosting Security for Cloud Providers like Hetzner
I suggest these resources: - Some fundamentals: https://www.cyberciti.biz/tips/linux-security.html - One of the best imho ( exhaustive list ): https://github.com/imthenachoman/How-To-Secure-A-Linux-Server - Ansible playbook to harden security by Jeff Geerling: https://github.com/geerlingguy/ansible-role-security - OAWSP Check list ( targeted for web apps... and honestly a bit overkill ): https://github.com/0xRadi/OWASP-Web-Checklist
r-selfhosted-security
- Good server setup tutorials
- Am I safe if my entire network is behind tailscale/zerotier?
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How to properly secure the server?
For those looking to contribute a guide, check out https://github.com/justSem/r-selfhosted-security
- I've set up Geoip block on my website and it works too well.
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Beginner guide: How to secure your self-hosted services
Here you go :) https://github.com/justSem/r-selfhosted-security/tree/main/beginners-guide
What are some alternatives?
authelia - The Single Sign-On Multi-Factor portal for web apps
docker-socket-proxy - Proxy over your Docker socket to restrict which requests it accepts
Gitea - Git with a cup of tea! Painless self-hosted all-in-one software development service, including Git hosting, code review, team collaboration, package registry and CI/CD
lynis - Lynis - Security auditing tool for Linux, macOS, and UNIX-based systems. Assists with compliance testing (HIPAA/ISO27001/PCI DSS) and system hardening. Agentless, and installation optional.
Keycloak - Open Source Identity and Access Management For Modern Applications and Services
PowerDNS - PowerDNS Authoritative, PowerDNS Recursor, dnsdist
Netmaker - Netmaker makes networks with WireGuard. Netmaker automates fast, secure, and distributed virtual networks.
debian-cis - PCI-DSS compliant Debian 10/11/12 hardening
ansible-role-security - Ansible Role - Security
tailscale - The easiest, most secure way to use WireGuard and 2FA.