How Can I Secure Nginx in Addition to Lets Encrypt

I’ve secured Nginx with Let’s Encrypt but would like to know if there is anything I can install in addition for security purposes, such as to monitor or prevent malicious bots and attacks?

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January 3, 2022
Accepted Answer

Hi @mpasquali,

I don’t think that there is anything on the network level that inspects the TCP packets for such activities.

I personally use Cloudflare and their Bot Fight Mode option which challenges requests that match patterns of known bots, before they access your site.

Alternatively, you can use Fail2Ban. In general will manage a list, using activity to add new sources to a method of blocking them (usually a firewall).