How to configure the curl package in R with default web proxy settings?
问题 I'm using R in a commercial environment where external connectivity all goes via a web proxy, so we need to specify the proxy server address and ensure we connect to it with Windows authentication. I already have code that will configure the RCurl and httr packages to use those settings by default - i.e. httr::set_config(config( proxy = "my.proxy.address", proxyuserpwd = ":", proxyauth = 4 )) or opts <- list( proxy = "my.proxy.address", proxyuserpwd = ":", proxyauth = 4 ) RCurl::options