Hi, I’m setting up a public wiki using mediawiki and I’d like some help ensuring the server and mediawiki is safely setup before I start sharing it publicly. I installed it on Vultr using the mediawiki app from the Vultr Marketplace. Are there any things I should ensure before publicly sharing the link?
Some things I’ve done so far:
-
I disabled password login to the server so its only possible to login via ssh
-
I made it so I have to approve of any edits to the wiki
-
I still haven’t enabled uploads of files because I want to ensure I only allow jpeg\png uploads.
I’m relatively new to running servers so any tips are highly appreciated.
It would be security theatre if it was done for security. I’m not doing it for security, though - it’s for my sanity when checking the logs. Unrestricted SSH simply attracts too many bots and the failed logins make it impossible to quickly grasp a picture of what’s happening.
In regards to limits - this is my rule file for iptables on my lemmy instance:
*filter :INPUT DROP [0:0] :FORWARD ACCEPT [0:0] :OUTPUT ACCEPT [0:0] :LOG_DROP [0:0] :LOG_ACCEPT [0:0] -A INPUT -p tcp -m tcp --dport 22 -m state --state NEW -m recent --set --name DEFAULT --mask 255.255.255.255 --rsource -A INPUT -p tcp -m tcp --dport 22 -m state --state NEW -m recent --update --seconds 600 --hitcount 20 --name DEFAULT --mask 255.255.255.255 --rsource -j LOG_DROP -A INPUT -p tcp -m tcp --dport 22 -j ACCEPT -A INPUT -i lo -j ACCEPT -A INPUT -p tcp -m tcp --dport 443 -m state --state NEW -m recent --set --name HTTPS --mask 255.255.255.255 --rsource #-A INPUT -p tcp -m tcp --dport 443 -m state --state NEW -m recent --update --seconds 600 --hitcount 600 --name HTTPS --mask 255.255.255.255 --rsource -j LOG_DROP -A INPUT -p tcp -m tcp --dport 443 -m conntrack --ctstate NEW,ESTABLISHED -j ACCEPT -A INPUT -p tcp -m tcp --dport 80 -m conntrack --ctstate NEW,ESTABLISHED -j ACCEPT -A INPUT -m conntrack --ctstate RELATED,ESTABLISHED -j ACCEPT -A INPUT -j LOG_DROP -A LOG_ACCEPT -j LOG --log-prefix "[ACCEPTv4]: " --log-level 7 -A LOG_DROP -j LOG --log-prefix "[DENYv4]: " --log-level 7 -A LOG_ACCEPT -j ACCEPT -A LOG_DROP -j DROP COMMITThis is very much a WIP, I’m going to implement some ddos protection as soon as I get some spare time.