packetdiag {
    colwidth = 64
    node_height = 60
    node_width = 15
    default_fontsize = 16;  // default value is 11

    // basic header (type then length)
    0-7: type\n1 byte [color = "#CCEECC"]
    8-23: length\n2 bytes [color = "#CCEECC"]

    // payload
    24-63: environment variable (one per packet)\nex: REMOTED_URI=tcp://user:pass@host.example.com:9000\nn bytes [color = "#CCCCEE"]
}