[R] R version 4.2.1 install.packages does not work with IE proxy setting

[PIKAL Petr]

Hallo Howard

Thanks, for the time being the previous workaround with wininet options
works for me. I will wait for the new R version and then try to persuade our
IT to make relevant changes.

Cheers
Petr

> -----Original Message-----
> From: Howard, Tim G (DEC) <tim.howard using dec.ny.gov>
> Sent: Thursday, October 6, 2022 1:09 PM
> To: r-help using r-project.org; PIKAL Petr <petr.pikal using precheza.cz>
> Subject: Re: [R]  R version 4.2.1 install.packages does not work with IE
proxy
> setting
> 
> Petr,
> You also might want to check out the bug reported here:
> 
> https://bugs.r-project.org/show_bug.cgi?id=18379
> 
> it was fixed and the last two comments discuss how to handle it in
Windows:
> 
> you add a new User Environment Variable:
> R_LIBCURL_SSL_REVOKE_BEST_EFFORT and set it to TRUE
> 
> This fix is in R-4.2.1 Patched (I don't know if it has made it out to the
full
> distribution) and works in my 'corporate' environment.  Perhaps it also
applies
> to your environment.
> 
> Tim
> 
> 
> Date: Wed, 5 Oct 2022 10:34:02 +0000
> From: PIKAL Petr <petr.pikal using precheza.cz>
> To: Ivan Krylov <krylov.r00t using gmail.com>
> Cc: r-help mailing list <r-help using r-project.org>
> Subject: Re: [R]  R version 4.2.1 install.packages does not work with
>         IE proxy setting
> Message-ID:
>         <9b38aacf51d746bb87a9cc3765a16b99 using SRVEXCHCM1302.precheza.cz>
> Content-Type: text/plain; charset="us-ascii"
> 
> Thanks,
> 
> the workaround works but we need try the "permanent" solution with
> Renviron.site file in future.
> 
> Cheers
> Petr
> 
> > -----Original Message-----
> > From: Ivan Krylov <krylov.r00t using gmail.com>
> > Sent: Tuesday, October 4, 2022 5:43 PM
> > To: PIKAL Petr <petr.pikal using precheza.cz>
> > Cc: r-help mailing list <r-help using r-project.org>
> > Subject: Re: [R] R version 4.2.1 install.packages does not work with
> > IE
> proxy
> > setting
> >
> > On Tue, 4 Oct 2022 11:01:14 +0000
> > PIKAL Petr <petr.pikal using precheza.cz> wrote:
> >
> > > After we installed new R version R 4.2.1 installing packages through
> > > IE proxy setting is compromised with warning that R could not
> > > connect to server (tested in vanilla R).
> >
> > R 4.1 deprecated the use of download.file(method = 'wininet'). R 4.2
> switched
> > the default download method to 'libcurl' and started giving warnings
> > for 'wininet' and http[s]:// URLs.
> >
> > A workaround to get it working right now would be to set
> > options(download.file.method = 'wininet') and live with the resulting
> warnings
> > while R downloads the files, but a next version of R may remove
'wininet'
> > support altogether.
> >
> > In order to get it working with the 'libcurl' method, you'll need to
> provide some
> > environment variables to curl:
> > https://gcc02.safelinks.protection.outlook.com/?url=https%3A%2F%2Fstat
> > .ethz.ch%2Fpipermail%2Fr-help%2F2022-
> September%2F475917.html&data=
> >
> 05%7C01%7Ctim.howard%40dec.ny.gov%7C1b8601d6e602486b347508daa7
> 81d26e%7
> >
> Cf46cb8ea79004d108ceb80e8c1c81ee7%7C0%7C0%7C63800647328501003
> 4%7CUnkno
> >
> wn%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1ha
> WwiL
> >
> CJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=7w1P6Sfu7V3DUM4a3Ez
> gmf87bXn8Cn
> > C%2FipTvXfBpI0c%3D&reserved=0
> >
> > Not sure if libcurl would accept a patch to discover the Windows proxy
> settings
> > automatically, but I don't think it does that now.
> >
> > --
> > Best regards,
> > Ivan