[R] Version 3.2.3: package not available error with https

[Loris Bennett]

Hi,

I recently installed version 3.2.3.  When I call

install.packages("RCurl")

I get a pop-up menu labelled "HTTPS CRAN Mirror" with a shortish list of
mirrors.  However, I don't seem to be able to reach any of these
mirrors, and always get an error like the following

Error in download.file(url, destfile = f, quiet = TRUE) : 
  unsupported URL scheme
Warning: unable to access index for repository https://cran.uni-muenster.de/src/contrib:
  unsupported URL scheme
Warning message:
package ‘RCurl’ is not available (for R version 3.2.3) 

If I choose the menu entry "(HTTP mirrors)" I get the list of HTTP
mirrors with which I am familiar from previous versions of R.  These
mirrors I can reach.

I assume I have some local, probably firewall-related problem, but can
someone confirm that the HTTPS mirrors do indeed work?

Cheers,

Loris

-- 
Dr. Loris Bennett (Mr.)
ZEDAT, Freie Universität Berlin         Email loris.bennett at fu-berlin.de