[mdns] change default ttl for PTR resources from 4500s to 120s

RFC6762 recommends that PTR records have a time-to-live of 120
seconds. The default was previously set to 4500 seconds (75
minutes) in the mdns implementation.

Fixed: 55765

Test: fx test mdns-tests
      Manifest constant change only. Any regressions will be
      detected by existing integration tests.
Change-Id: If63e5cb05b5c3f8d50535cf3ed31c1cb17428d6f
Reviewed-on: https://fuchsia-review.googlesource.com/c/fuchsia/+/405445
API-Review: Dale Sather <dalesat@google.com>
Testability-Review: Dale Sather <dalesat@google.com>
Reviewed-by: Austin Foxley <afoxley@google.com>
Commit-Queue: Dale Sather <dalesat@google.com>
3 files changed
tree: b8798d08d60ce458b30c83c18759a3ff5acb55a9
  1. boards/
  2. build/
  3. bundles/
  4. cts/
  5. docs/
  6. examples/
  7. garnet/
  8. products/
  9. scripts/
  10. sdk/
  11. src/
  12. third_party/
  13. tools/
  14. zircon/
  15. .clang-format
  16. .clang-tidy
  17. .gitattributes
  18. .gitignore
  19. .gn
  20. .style.yapf
  21. AUTHORS
  22. BUILD.gn
  23. CODE_OF_CONDUCT.md
  24. CONTRIBUTING.md
  25. LICENSE
  26. OWNERS
  27. PATENTS
  28. README.md
  29. rustfmt.toml
README.md

Fuchsia

Pink + Purple == Fuchsia (a new operating system)

What is Fuchsia?

Fuchsia is a modular, capability-based operating system. Fuchsia runs on modern 64-bit Intel and ARM processors.

Fuchsia is an open source project with a code of conduct that we expect everyone who interacts with the project to respect.

How can I build and run Fuchsia?

See Getting Started.

Where can I learn more about Fuchsia?

See fuchsia.dev.