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crowdsec
CrowdSec - the open-source and participative security solution offering crowdsourced protection against malicious IPs and access to the most advanced real-world CTI.
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docker-swag
Nginx webserver and reverse proxy with php support and a built-in Certbot (Let's Encrypt) client. It also contains fail2ban for intrusion prevention.
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InfluxDB
Power Real-Time Data Analytics at Scale. Get real-time insights from all types of time series data with InfluxDB. Ingest, query, and analyze billions of data points in real-time with unbounded cardinality.
This tool crowdsec.net is really interesting to mitigate and enact defense systems for different scenarios.
I have a domain through Cloudflare and I use a Cloudflare tunnel to expose my services on my domain. Geoblocking helps filter a lot of erroneous traffic. Cloudflare also has some useful features to help with blocking malicious attacks and bots. For my reverse proxy, I use SWAG