[Python-Dev] PEP 476: Enabling certificate validation by default!
mal at egenix.com
Sat Aug 30 16:20:22 CEST 2014
On 30.08.2014 15:32, R. David Murray wrote:
> On Sat, 30 Aug 2014 14:03:57 +0200, "M.-A. Lemburg" <mal at egenix.com> wrote:
>> On 30.08.2014 12:55, Antoine Pitrou wrote:
>>> On Sat, 30 Aug 2014 12:46:47 +0200
>>> "M.-A. Lemburg" <mal at egenix.com> wrote:
>>>>> That use case should be served with the SSL_CERT_DIR and SSL_CERT_FILE
>>>>> env vars (or, better, by specific settings *inside* the application).
>>>>> I'm against multiplying environment variables, as it makes it more
>>>>> difficult to assess the actual security of a setting. The danger of an
>>>>> ill-secure setting is much more severe than with hash randomization.
>>>> You have a point there. So how about just a python run-time switch
>>>> and no env var ?
>>> Well, why not, but does it have a value over letting the code properly
>>> configure their SSLContext?
>> Yes, because when Python changes the default to be validating
>> and more secure, application developers will do the same as
>> they do now: simply use the defaults ;-)
> But neither of those addresses the articulated use case: someone *using*
> a program implemented in python that does not itself provide a way to
> disable the new default security (because it is *new*). Only an
> environment variable will do that.
> Since the environment variable is opt-in, I think the "consenting
> adults" argument applies to Alex's demure about "multiple connections".
> It could still emit the warnings.
That would be a possibility as well, yes.
I'd just like to see a way to say: I know what I'm doing
and I'm not in the mood to configure my own CA list, so
please go ahead and accept whatever certs you find --
much like what --no-check-certificate does for wget.
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