How to access packages or updates through a proxy

setenv HTTP_PROXY http://10.130.65.2:3128/
setenv HTTPS_PROXY https://10.130.65.2:3128/

cvs -q -z2 "-d:pserver;proxy=10.130.65.2;proxyport=3128:anoncvs@anoncvs.NetBSD.org:/cvsroot" checkout -r pkgsrc-2018Q4 -P pkgsrc