Firefox Send allows you to send files up to 2.5 GB with a time limit and download


Mozilla has publicly launched its Firefox Send file-sharing service after a long test period. It allows you to send files via any link to any and set access conditions such as a period or number of downloads before the file expires .

Firefox Send can handle files of size up to 2.5 GB. When the pilot testing period for the service started in August 2017, the limit was 1 GB. remains valid until you log in with your Firefox account (opening an account is free).

You can set a maximum number of times the file that can be downloaded before being deleted from the servers: one, two, three, four, five, 20, 50, or 100 times. You can also set a delay before deletion: seven days, one day, one hour, or five minutes. Finally, you can set a password of your choice to access the file. After going through this quick process, you will get a link to send to the recipient to download the file.

There are many services for sending files. Mozilla uses Firefox Send as an alternative to email, whose servers are often subject to severe file size restrictions, and to Google Drive or Dropbox, which offer collaboration tools and other features that are not not necessary when it is enough to transmit a file to a friend. , family member or colleague quickly and easily.

And in a blog post announcing the service, Mozilla defines it as a privacy and security service, although few details have been provided, except that the files are encrypted end-to-end. . Mozilla also exposes its mission and privacy and data security policy in the blog article.

However, even if details are not included in the public blog, they have been available throughout the test phase. Our own Dan Goodin wrote the following when the service entered for the first time in the tests:

The service uses an algorithm called AES-GCM-128 to encrypt and authenticate data on the sender's computer before downloading it to Mozilla servers. In addition, it uses the Web Cryptography interface, which is one of the best-tested methods of Internet applications to perform cryptographic operations without access to decryption keys. However, Send should not trust the most sensitive types of data, such as files that could lead to a dissident or a whistleblower in prison.

The impermanence of files is also part of the security and privacy arguments. Mozilla explained that it differentiates Firefox Send from Dropbox, iCloud, OneDrive or Google Drive. This concept is in vogue right now. Facebook CEO Mark Zuckerberg also mentioned impermanence as a fundamental principle of privacy and security in the company's future plans.

Firefox Send is now available on the web at the address. It works for both the sender and the recipient on any modern browser, not just Firefox. An Android application should be launched in beta this week.

Below: a short video of Mozilla illustrating Firefox Send.

Firefox Send

Image illustrated by Mozilla

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