AppVeyor
async
Async
auth
CentOS
config
CTRL
CURLOPT
dev
dns
DNS
env
ESC
Github
Gmail
gzip
homebrew
hostname
http
https
httpuv
httr
ip
ipv
libcurl
Libcurl
libssh
libssl
netscape
openssl
OpenSSL
OSX
preconfigured
proxying
rb
RHEL
Rtools
Schannel
sftp
smtp
SMTP
ssl
SSL
TLS
zlib
