gyp ERR! stack Error: read ECONNRESET

[spursy]

Does it internet issue or other?

• My server has internet restriction, what IP address should I add into white IP list.
• My server is Linux system

> scrypt@6.0.3 install /home/node/bi-nodesrv-doctor/node_modules/scrypt
> node-gyp rebuild

gyp WARN install got an error, rolling back install
gyp ERR! configure error 
gyp ERR! stack Error: read ECONNRESET
gyp ERR! stack     at TLSWrap.onStreamRead (internal/stream_base_commons.js:111:27)
gyp ERR! System Linux 4.15.0-43-generic
gyp ERR! command "/usr/local/bin/node" "/usr/local/lib/node_modules/npm/node_modules/node-gyp/bin/node-gyp.js" "rebuild"
gyp ERR! cwd /home/node/bi-nodesrv-doctor/node_modules/scrypt
gyp ERR! node -v v10.15.2
gyp ERR! node-gyp -v v3.8.0
gyp ERR! not ok 
npm WARN co-mocha@1.2.2 requires a peer of mocha@>=1.18 <6 but none is installed. You must install peer dependencies yourself.
npm WARN ajv-keywords@2.1.1 requires a peer of ajv@^5.0.0 but none is installed. You must install peer dependencies yourself.
npm WARN optional SKIPPING OPTIONAL DEPENDENCY: fsevents@1.2.7 (node_modules/fsevents):
npm WARN notsup SKIPPING OPTIONAL DEPENDENCY: Unsupported platform for fsevents@1.2.7: wanted {"os":"darwin","arch":"any"} (current: {"os":"linux","arch":"x64"})

npm ERR! code ELIFECYCLE
npm ERR! errno 1
npm ERR! scrypt@6.0.3 install: `node-gyp rebuild`
npm ERR! Exit status 1
npm ERR! 
npm ERR! Failed at the scrypt@6.0.3 install script.
npm ERR! This is probably not a problem with npm. There is likely additional logging output above.

[rvagg]

probably comes from downloading headers tarballs, it gets them from nodejs.org so you'll need to enable connections to that