Show active connections

Built-in nginx status page: active, reading, writing, waiting

curl -s http://localhost/stub_status
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nginx15 commands
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nginxmonitoring

More nginx commands

  • Block IP range
    deny 192.168.1.0/24; deny 10.0.0.1; allow all;

    Block a subnet and specific IP in nginx location/server block

  • Proxy WebSocket
    location /ws/ { proxy_pass http://backend; proxy_http_version 1.1; proxy_set_header Upgrade $http_upgrade; proxy_set_header Connection 'upgrade'; }

    WebSocket proxy with required Upgrade headers

  • Test configuration
    nginx -t

    Validate nginx.conf without reloading

  • Reload without downtime
    nginx -s reload

    Gracefully reload config — zero connection drop

  • Show compiled modules
    nginx -V 2>&1 | tr ' ' '\n' | grep module

    List all built-in and dynamic modules in the binary

all 15 nginx commands