What is Nginx default port?

Nginx uses port 80 for HTTP and 443 for HTTPS.

What is MySQL default port?

MySQL uses port 3306 for client connections.

Redis uses port 6379 by default.

Reverse proxies, load balancers, and API gateways

3 services

haproxy systemctl: haproxy

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High-performance TCP/HTTP load balancer. Industry standard for high-availability.

apt install haproxy

80tcpHTTP frontend443tcpHTTPS frontend8404tcpStats page (if configured)

traefik systemctl: traefik (if installed as service)

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Modern HTTP reverse proxy and load balancer. Auto-discovery with Docker, K8s, etc.

Download binary from GitHub or use Docker: docker run -d traefik

80tcpHTTP entrypoint443tcpHTTPS entrypoint8080tcpDashboard/API

nginx-proxy systemctl: nginx

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Nginx configured as reverse proxy/load balancer. Versatile and widely used.

apt install nginx (same as web server)

80tcpHTTP443tcpHTTPS