Bitfly

Security and privacy

secure file transfer

SHOW HN2016

Bitfly

Peer-to-peer secure file transfer using WebRTC

bitf.ly

#peer to peer#webrtc#file transfer#browser

239points
64comments
#103of 2,264 in 2016
Top 5%of 2016 by points

How HN took it

MixedNo clear lean

4 positive, 11 neutral or asking, 2 mixed, 6 critical, out of 23 comments about the project. Thread score +0.03.

Idea: 3 for, 2 againstPrivacy: 1 for, 4 against

The thread, comment by comment

Each row is a top-level comment and its replies, in HN's order. Select a cell to open that comment on HN.

positive neutral or mixed critical about another commenter or something else the maker

What HN said

What people liked

  • Neat and useful idea for direct file sharing

    From 3 comments
    • From the HN title: "secure" I have a question: Secure against what thread model? The FAQ has an entry for "How do I know you're not sending all my data to the NSA?" but that's…
      CiPHPerCoder on HN
    • With some sort of peer discovery functionality, this could be a pretty cool open, cross-platform replacement for Apple's AirDrop. ...but would probably need WebRTC functionality…
      crcastle on HN
    • Awesome, I'm looking to incorporate some of this into a project I'm working on.
      iolothebard on HN

Objections

  • Claims of security are unclear; WebRTC signaling via a server allows MITM

    From 3 comments
    • A big problem is that webRTC is highly MITM-able. You have to exchange initial connections using a server. So no party has any way of knowing if you are MITM attacking. You might…
      Rhapso on HN
    • From the HN title: "secure" I have a question: Secure against what thread model? The FAQ has an entry for "How do I know you're not sending all my data to the NSA?" but that's…
      CiPHPerCoder on HN
    • "Secure" but "we advise against using Bitfly for highly sensitive data. You have been warned.". So is it secure or isn't it?
      calanya on HN
  • Serving JavaScript from a server means code could be altered

    From 2 comments
    • that only works if you have a way to assure the JS has not being modified every time the page is ever loaded everywhere. That only works on a content addressed protocol like IPFS
      Rhapso on HN
    • The server can silently decide to start sniffing the keys at any time. That isn't security.
      sneak on HN

Requests

  • Support for multiple file selection

    From 1 comment
    • Happy to see that it works with CyanogenMod Chrome Beta on an old HP TouchPad. ps: although it says the HTTPS connection is not safe.. weird. pps: lazy me would love a multiple…
      agumonkey on HN

Questions

  • What threat model does it protect against?

    From 1 comment
    • From the HN title: "secure" I have a question: Secure against what thread model? The FAQ has an entry for "How do I know you're not sending all my data to the NSA?" but that's…
      CiPHPerCoder on HN
  • How does it compare to WebTorrent and similar tools?

    From 1 comment
    • Does anyone know how FilePizza and Bitfly compares to WebTorrent?
      bobajeff on HN

Alternatives named

  • FilePizza

    From 1 comment
    • Similar project: FilePizza – https://file.pizza/ github: https://github.com/kern/filepizza show hn: https://news.ycombinator.com/item?id=9535332
      helb on HN
  • ShareDrop

    From 1 comment
    • There's also http://sharedrop.io, which was featured on HN a couple years ago and also uses WebRTC. Source: https://github.com/cowbell/sharedrop Discussion:…
      tjohns on HN
  • Instant.io

    From 1 comment
  • Magic Wormhole

    From 1 comment
    • My favorite of these tools is magic womhole (command-line only): https://github.com/warner/magic-wormhole It gives you a few words for you to give the recipient, they type them…
      StavrosK on HN

Category, keywords, summaries and labels on this page were made by AI (Thread Reader v2) and not checked by hand. Each point links to the comments it came from.

Add a badge to your READMEShown on HackerShow
[![Shown on HackerShow](https://hackershow.org/badge.svg)](https://hackershow.org/show/11192398)