[petsc-dev] We have SSL problems with some sites

Matthew Knepley knepley at gmail.com
Wed Mar 21 20:53:27 CDT 2018


On Wed, Mar 21, 2018 at 9:49 PM, Jed Brown <jed at jedbrown.org> wrote:

> Matthew Knepley <knepley at gmail.com> writes:
>
> > I fail when retrieving GMP, and I get
> >
> >  4next $:/PETSc3/petsc/petsc-dev$ wget --secure-protocol=TLSv1
> > https://gmplib.org/download/gmp/gmp-6.0.0a.tar.bz2 .
> > wget --secure-protocol=TLSv1
> > https://gmplib.org/download/gmp/gmp-6.0.0a.tar.bz2 .
>
> I don't know what you're trying to do here.  wget doesn't take a local
> directory argument.
>
> I don't have a problem fetching this file with wget.  Yours might be
> configured incorrectly (e.g., doesn't have access to root certs).
>

My point is not that my wget fails, its that our Python fails.


> I also don't understand why you would want to downgrade security to
> TLSv1.  It's vulnerable and shouldn't exist anymore except to support
> antique clients.
>

StackExchange told me to try it with this failure.

  Matt


>
> > --2018-03-21 21:33:42--  https://gmplib.org/download/
> gmp/gmp-6.0.0a.tar.bz2
> > Resolving gmplib.org (gmplib.org)... 130.242.124.102
> > Connecting to gmplib.org (gmplib.org)|130.242.124.102|:443... connected.
> > Unable to establish SSL connection.
> > --2018-03-21 21:33:43--  http://./
> > Resolving . (.)... failed: nodename nor servname provided, or not known.
> > wget: unable to resolve host address `.'
> >  4next $:/PETSc3/petsc/petsc-dev$ wget --no-check-certificate
> > https://gmplib.org/download/gmp/gmp-6.0.0a.tar.bz2 .
> > wget --no-check-certificate
> > https://gmplib.org/download/gmp/gmp-6.0.0a.tar.bz2 .
> > --2018-03-21 21:34:20--  https://gmplib.org/download/
> gmp/gmp-6.0.0a.tar.bz2
> > Resolving gmplib.org (gmplib.org)... 130.242.124.102
> > Connecting to gmplib.org (gmplib.org)|130.242.124.102|:443... connected.
> > Unable to establish SSL connection.
> > --2018-03-21 21:34:20--  http://./
> > Resolving . (.)... failed: nodename nor servname provided, or not known.
> > wget: unable to resolve host address `.'
> >  130next $:/PETSc3/petsc/petsc-dev$ curl
> > https://gmplib.org/download/gmp/gmp-6.0.0a.tar.bz2 > gmp-6.0.0a.tar.bz2
> > curl https://gmplib.org/download/gmp/gmp-6.0.0a.tar.bz2 >
> gmp-6.0.0a.tar.bz2
> >   % Total    % Received % Xferd  Average Speed   Time    Time     Time
> > Current
> >                                  Dload  Upload   Total   Spent    Left
> > Speed
> > 100 2265k  100 2265k    0     0   288k      0  0:00:07  0:00:07 --:--:--
> > 408k
> > next $:/PETSc3/petsc/petsc-dev$ file gmp-6.0.0a.tar.bz2
> > file gmp-6.0.0a.tar.bz2
> > gmp-6.0.0a.tar.bz2: bzip2 compressed data, block size = 900k
> >
> > on my Mac.
> >
> >    Matt
> >
> > --
> > What most experimenters take for granted before they begin their
> > experiments is infinitely more interesting than any results to which
> their
> > experiments lead.
> > -- Norbert Wiener
> >
> > https://www.cse.buffalo.edu/~knepley/ <http://www.caam.rice.edu/~mk51/>
>



-- 
What most experimenters take for granted before they begin their
experiments is infinitely more interesting than any results to which their
experiments lead.
-- Norbert Wiener

https://www.cse.buffalo.edu/~knepley/ <http://www.caam.rice.edu/~mk51/>
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