Usage: vmproxy [flags] Version 3.10.0 Flags: -h, --help Show context-sensitive help. --debug Enable debug logging --target-url=http://127.0.0.1:9090 Target URL where to proxy requests --listen-port=1280 Listen port for proxy --listen-address="127.0.0.1" Listen address for proxy --header-name="X-Proxy-Filter" Header name to read filter configuration from. The content of the header shall be a base64 encoded JSON array with strings. Each string is a filter. Multiple filters are joined with a logical OR. --admin-header-name="X-Proxy-Admin" Header name pmm-managed sets to mark a request as coming from an admin, which allows the admin-only VictoriaMetrics diagnostics. nginx overwrites it on every route reaching this proxy, so clients cannot set it.