curl -x http://127.0.0.1:8087 github.com
wget -e "http_proxy=127.0.0.1:8087" github.com
shell> cat ~/.wgetrc
https_proxy = http://127.0.0.1:8087
http_proxy = http://127.0.0.1:8087
ftp_proxy = http://127.0.0.1:8087
use_proxy = on
continue = on
check_certificate = off
shell> cat ~/.curlrc
-L
proxy = 127.0.0.1:8087