В Wed, 4 Oct 2023 13:09:47 +0000 John Neset <john.ne...@noridian.com> пишет:
> Trying to do this, reference FAQ- > 2.18 The Internet download functions fail. > (c) A MITM proxy (typically in enterprise environments) makes it > impossible to validate that certificates haven't been revoked. One > can switch to only best effort revocation checks via an environment > variable: see ?download.file. Here's what help(download.file) has to say: >> On Windows with ‘method = "libcurl"’, when R was linked with >> ‘libcurl’ with ‘Schannel’ enabled, the connection fails if it >> cannot be established that the certificate has not been revoked. >> Some MITM proxies present particularly in corporate environments >> do not work with this behavior. It can be changed by setting >> environment variable ‘R_LIBCURL_SSL_REVOKE_BEST_EFFORT’ to >> ‘TRUE’, with the consequence of reducing security. Does it help to Sys.setenv(...) this environment variable before downloading? If not, please provide your sessionInfo() and the full error message. -- Best regards, Ivan ______________________________________________ R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
