- Tunable files in etc/:

version       Program version (yyyymmddss)
proxyport     Bind port for proxy connections (default 80)
nexthop       Next hop in chain (host:port), or dash (-) to disable the proxy
managerport   Bind port for manager connections (default 443)
certificate   Certificate file for authentication in PEM format (required)
signature     Signature file for authentication in ASCII format (required)

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