Re: Request for List of URLs Needed for R Package Installation

Yup. And if I understand correctly, "mirrors" are mirrors -- i.e. they will
all contain exactly the same content once any updates have a chance to
percolate through. Hence, choosing just one each of a CRAN and Bioconductor
mirror should suffice, with perhaps a backup should one or the other go
down for some reason. For security reasons, I would stay away from Github
or any other repository not listed in the official CRAN listing that Chris
provided. As I understand it, all of these mirrors are self-contained and
would not contain dependencies that go outside CRAN. **

** If any of the above is wrong or requires clarification, please post a
correction. **

Cheers,
Bert

On Thu, Nov 20, 2025 at 9:12 AM Chris Ryan <[email protected]>
wrote:

> That's a tall order.
>
> I'm no expert, but I believe you can specify what CRAN mirror to use
> when obtaining packages. I don't know if an institution could restrict a
> user to using just one of them.
>
> Here is a list of CRAN mirrors:
>
> https://cran.r-project.org/mirrors.html
>
> I've never used Bioconductor, but here is a list of mirrors:
>
> https://bioconductor.org/about/mirrors/
>
> --Chris Ryan
>
>
> Jyoti Prajapati wrote:
> > Dear R Team,
> >
> > I am currently setting up R in the Bank of Baroda environment, and as
> part
> > of the security process, I need to request whitelisting of all
> URLs/domains
> > required for installing R packages (including dependencies).
> >
> > To complete this request, I kindly ask you to please share the *full list
> > of URLs, domains, CRAN/Bioconductor mirrors, GitHub links, and any other
> > repositories* that R connects to during installation and updating of
> > packages.
> >
> > Once I receive the list, I will forward it to the Network/IT Security
> team
> > for whitelisting.
> >
> > Requesting your support in providing this information at the earliest.
> >
> > Thank you.
> >
> > Regards,
> > *Jyoti Prajapati*
> > Manager – Model Validation
> > Risk Management Department
> > Bank of Baroda
> >
> >       [[alternative HTML version deleted]]
> >
> > ______________________________________________
> > [email protected] mailing list -- To UNSUBSCRIBE and more, see
> > https://stat.ethz.ch/mailman/listinfo/r-help
> > PLEASE do read the posting guide
> https://www.R-project.org/posting-guide.html
> > and provide commented, minimal, self-contained, reproducible code.
> >
>
> ______________________________________________
> [email protected] mailing list -- To UNSUBSCRIBE and more, see
> https://stat.ethz.ch/mailman/listinfo/r-help
> PLEASE do read the posting guide
> https://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.
>

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