Selfhosted
A place to share alternatives to popular online services that can be self-hosted without giving up privacy or locking you into a service you don't control.
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No, this doesn't remove the need to stay up to date.
However, it works on my server and was very easy to setup: a few ufw rules so that port 22 is blocked everywhere, allowed only on the VPN IP range and my local network range. Nmapping from outside does not show port 22 accessible, and indeed you can't SSH to it without the VPN.
Security is quite tough to get right eh? I tried my best to harden everything opening ports on my server, having a fail2ban, VPN for maintenance, webserver to expose some personal services...
Oh, ok, you whitelist IPs in your firewall. That certainly works, if a bit brutal. :) (then again, I blacklist everyone who is triggering a 404 on my webserver, maybe I'm not the one to speak about brutality :P ) You don't even need a VPN, then, unless you travel frequently (or your ISP provides dynamic IP, I guess).
Well that's a bit of both: I need to be able to get on my server from work (with my phone... Yeah not great but that works), because I often break stuff haha ; also a nice thing to have when I'm on the bus and want to add more music or movies to listen to during the travel!
Are there ISPs that don't provide dynamic IPs? I had to setup a script and get some API keys for different services to ensure the IP is properly updated on my DNS servers.
Speaking of brutality, I considered doing the same but then I would have banned myself from testing the APIs of my services 🤧
Oh, I see. Totally makes sense. :)
I guess it depends on the country, but here in France, yes, most landline ISPs provide static IPs (maybe all? there are a couple I haven't try ; mobile IPs are always dynamic, though). It was not always the case, but I haven't had a dynamic IP since the 2000'. I feel you, dealing with pointing a domain to a dynamic IP is a PITA.
Ahah, yeah, I protected myself against accidentally banning my own IPs. First, my server is a Pi at home, so I can just plug a keyboard and a screen to it in case of problem. But more importantly, as I do that blacklisting through fail2ban, I just whitelisted my IPs and those of my relatives (it's the
ignore_ipvariable in/etc/fail2ban/jail.conf)., so we never get banned even if we trigger fail2ban rules (hopefully, grandma won't try to bruteforce my ssh!). It allowed me to do an other cool stuff : I made a script ran through cron that parses logs for 404 and checks if they were generated by one of the IPs in that list, mailing me if it's the case. That way, I'm made aware of legit 404 that I should fix in my applications.