[HTTPS-E Rulesets] Cookies

Drake, Brian brian at drakefamily.tk
Fri Jan 17 21:41:36 PST 2014


After looking at the code again, I think that is indeed the problem:
cookies with domains of the form .example.com (with a leading dot) will
only be secured by rulesets with target hosts of the form *.example.com (
example.com and www.example.com are not enough). I’ll need to test this.

I’m no closer to explaining why such cookies exist in the first place.

--
Brian Drake

All content created by me:
Copyright<http://www.wipo.int/treaties/en/ip/berne/trtdocs_wo001.html>©
2014 Brian Drake. All rights reserved.

On Fri, Jan 17, 2014 at 0326 (UTC), Drake, Brian <brian at drakefamily.tk>wrote:

> HTTPS Everywhere only secures cookies if it looks like the domain is
> available over HTTPS. I don’t remember seeing any code to deal specially
> with dots at the start. Maybe that’s giving it trouble. I’d have to look at
> the code again.
>
> --
> Brian Drake
>
> All content created by me: Copyright<http://www.wipo.int/treaties/en/ip/berne/trtdocs_wo001.html>© 2014 Brian Drake. All rights reserved.
>
> On Wed, Jan 15, 2014 at 1001 (UTC), Drake, Brian <brian at drakefamily.tk>wrote:
>
>> How do cookies work? Mozilla claims to follow RFC 6265 [1], which seems
>> to prohibit domains starting with a dot.
>>
>> Yet, when I go to icabanken.se using the proposed ICA Banken ruleset
>> [2], using Firefox or Iceweasel, I get cookies that say “Domain: .
>> icabanken.se”.
>>
>> I also have an issue with securing cookies with the <securecookie> tag.
>>
>> Continuing with the ICA Banken example, here is what I observe generally.
>> The cookies that say “Host: www.icabanken.se” have the Secure flag set.
>> The cookies that say “Domain: .icabanken.se” do not have the Secure flag
>> set. I found one exception, where even a cookie limited to
>> www.icabanken.se failed to be secured.
>>
>> I observed all this in Firefox 25.0/HTTPS Everywhere 3.4.5 and Iceweasel
>> 17.0.5/HTTPS Everywhere 3.1.4.
>>
>> [1] https://developer.mozilla.org/en-US/docs/Web_Development/HTTP_cookies
>> [2]
>> https://lists.eff.org/pipermail/https-everywhere-rules/2014-January/001819.html
>>
>>  --
>> Brian Drake
>>
>> All content created by me: Copyright<http://www.wipo.int/treaties/en/ip/berne/trtdocs_wo001.html>© 2014 Brian Drake. All rights reserved.
>>
>
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