am 93c4446a: am 75fa3012: am 18f76d62: am a353a9f8: Merge "Doc update: clarify guidelines for firewall setup." into jb-mr1.1-docs

* commit '93c4446af02b3ccf6da5f8bd7ecb4b8b1cdf62d5':
  Doc update: clarify guidelines for firewall setup.