Security consideration: math symbols in an exotic IP address format in a phishing mail

James Cloos cloos at
Tue May 19 01:29:41 CDT 2020

> I don’t know why such an address is accepted in the authority
> part of a HTTPS URI of current browsers.


it isn't.

at least not here.

for me, pasting 𝟎𝟓𝟔𝟕𝟏𝟑𝟔𝟎𝟑𝟎𝟐 into a browser’s address bar leads to an
http GET, not to an https one.

(curiosity won.)

(which comic was that where the kids were intentionally using integers
instead of dns to asccess web sites to confuse anyonewatching them?)

James Cloos <cloos at>         OpenPGP: 0x997A9F17ED7DAEA6

More information about the Unicode mailing list