npm install without ssl

I have an Ubuntu VM that is having trouble connecting to sites with ssl, i.e. https. It can successfully download artifacts from the internet if the url begins with http. npm install will download dependencies via https. Is there anyway make it download via http?

[yyamano]

npm config set registry http://registry.npmjs.org/

[k_yon]

なんかよく分からんけど，npm ERR! Error: 1074601984:error:1408D108:SSL routines:SSL3_GET_KEY_EXCHANGE:wrong signature length:../deps/openssl/openssl/ssl/s3_clnt.c:1617: 言われてたんが解決した．