{
  "groups": {
    "group:admin": ["motiejus@", "servers@"]
  },

  "tagOwners": {
    "tag:public-server": ["servers@"]
  },
  
  "acls": [
    {
      "action": "accept",
      "src": ["group:admin"],
      "dst": ["*:*"]
    },
    
    {
      "action": "accept",
      "src": ["*"],
      "dst": ["tag:public-server:*"]
    },
    
    {
      "action": "accept",
      "src": ["*"],
      "proto": "tcp",
      "dst": ["*:22"]
    },
    
    {
      "action": "accept",
      "src": ["*"],
      "proto": "icmp",
      "dst": ["*:*"]
    }
  ]
}