sshmuxd.json

{
   "address": ":22",
   "hostkey": "-----BEGIN EC PRIVATE KEY-----\nMHcCAQEEIJEDt/lHs7jSUNEMbX+Swp6xa8ZiamPFoYsTZgP+We8DoAoGCCqGSM49\nAwEHoUQDQgAEUvK6aRbBnFVsXvpJ9bwUDEI3c/phJAIsjk2dA+YNiFVQq20Xkefl\nFqPJeBriA2EMGkU2AmKGFK45PwRjKI10bA==\n-----END EC PRIVATE KEY-----",
   "onlyproxyjump": true,
   "sshca": ["ssh-rsa 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"],
   "users": [
      {
      	"publicKey": "AAAAE2VjZHNhLXNoYTItbmlzdHAyNTYAAAAIbmlzdHAyNTYAAABBBPoWImSrY0Rt33Rg97HkDS3r7mdcFn5EJUv/dxiRWD9aPQUm8wp7buZDhpjb32Dt2PjKnNB6PrNOj7ORDFYEhRg=",
      	"name": "me"
      },
      {
       "publicKey": "AAAAC3NzaC1lZDI1NTE5AAAAINg6gWZLnH5gwLeDlw/URtvYgKmlFiiXHmra6oYObfBz",
       "name": "boss"
      },
      {
       "publicKey": "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",
       "name": "granny"
      }
   ],
   "hosts": [
      {
         "address": "ssh1.example.com:22",
         "users": [ "boss", "me", "granny" ]
      },
      {
         "address": "*.sub.yourdomain.com:22",
         "sshCertRequired": true
      },
      {
         "address": "secret.example.com:22",
         "users": [ "me" ]
      }
   ]
}