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How do you deal with malicious requests to your servers? (lemmy.dbzer0.com)

submitted 1 year ago* (last edited 1 year ago) by jcal@lemmy.dbzer0.com to c/selfhosted@lemmy.world

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I put up a vps with nginx and the logs show dodgy requests within minutes, how do you guys deal with these?

Edit: Thanks for the tips everyone!

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[–] swifteh@lemmy.ml 6 points 1 year ago (1 children)

Any service I have that is public facing is proxied through Cloudflare. I run a firewall on the host that only allows traffic from Cloudflare IPs. Those IPs are updated via a cron job that calls this script: https://github.com/Paul-Reed/cloudflare-ufw I also have a rule set up in Cloudflare that blocks traffic from other countries.

For WAF, I use modsecurity with nginx. It can be a little time consuming to set up and weed out false positives, but it works really well when you get it configured properly.

Some of my applications are set up with Cloudflare Access. I use this with Azure AD free tier and SAML, but it could be set up with self hosted solutions like authentik.

[–] SeeJayEmm@lemmy.procrastinati.org 5 points 1 year ago (2 children)

Is everyone using Cloudflare?

[–] Still@programming.dev 2 points 1 year ago

cloudflare is sweet I just switched to there from Google domains and it feels like a billion options have just opened up

also the https security radio buttons I always forget to change in new sites

[–] PhilBro@lemmy.world 2 points 1 year ago

Pretty much, strange in the self-hosted community to have stuff like that happen.