On 4 Nov 2017, at 22:56, Bill Cole wrote:
On 4 Nov 2017, at 13:54 (-0400), Steven M. Bellovin wrote:
Hmm -- are browsers special? Firefox knows when it isn't the default
browser.
Yes, in a sense.
The "default browser" is the default handler for URLs starting with
http and https. The protocol handler settings are handled by one
subsystem, the file extension to default opening app mapping is a
different one.
That differentiation is an artifact of (pre-OSX) MacOS having a robust
filetype+creator subsystem long before it had any TCP/IP support.
Ah, thanks.
--Steve Bellovin, https://www.cs.columbia.edu/~smb
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