Looks like there are some unexpected knock-on effects from changes to how Chrome 69 handles URLs: bugs.chromium.org/p/chromium/i

Aside from opening up impersonation attacks that didn’t exist before, it’s buggy too! www.example.www.example.com/ is displayed as example.example.com, which is… not accurate.


Another interesting, clearly wrong behaviour: the “m.” prefix is stripped along with “www.” There’s a weaker consensus that “m.example.com” is the same thing as “example.com”, and obtaining that subdomain on a given site is much easier.

For example, m.tumblr.com is a user’s blog. It’s NOT the mobile version of tumblr.com. But Chrome displays “m.tumblr.com” as “tumblr.com”, which could allow that blog’s owner to impersonate the main site.

OK, I think I know why this is now. Jessica pointed out that the main m. domain she goes to is Wikipedia, which is en.m.wikipedia.org . Chrome probably intended to strip m. in that case, and overzealously transforms the domain.

Personally, to me, this indicates why this is a problem!! If you’re starting to strip out domains in the middle of a chain you’re setting the stage for Bad Things to happen.


@noelle @oolongstains Although, I've seen a reasonable argument that these might just be seperate-but-related initiatives?, and this is just REALLY bad timing?
Which still means "I don't trust Google", but like this might not have been THAT team specifically's fault.

@oolongstains Yeah this strikes me as an all around Bad Idea. I can appreciate the good intentions behind it but at the end of the daya web browser disguising some URLs as other URLs is always going to end poorly.

Just yesterday I tried to send someone a link from the Best Buy site I saw on my phone. I stripped out the "m." and it 404'd. I put it back and it gave me the full desktop site.

The internet isn't as predictable as we'd like to think.

@oolongstains somebody on lobsters pointed out that the owner of www.com could then impersonate any dotcom, which is brutal

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