am a8858d21: am 93c4446a: am 75fa3012: am 18f76d62: am a353a9f8: Merge "Doc update: clarify guidelines for firewall setup." into jb-mr1.1-docs

* commit 'a8858d215123b819557d130bfeeeb50568649b51':
  Doc update: clarify guidelines for firewall setup.