How to use the range_check.validIp function in range_check
To help you get started, we’ve selected a few range_check examples, based on popular ways it is used in public projects.
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colearnr / colearnr / lib / pass.js View on Github 
function ensureInternalAccess (req, res, next) {
let ip = req.ip || req.connection.remoteAddress || req.socket.remoteAddress || req.connection.socket.remoteAddress
ip = ip.replace('::ffff:', '')
let serverIp = ipLib.address('public', 'ipv4')
if (ip === serverIp || (rangeCheck.validIp(ip) && rangeCheck.inRange(ip, config.internal_ip))) {
next()
} else {
logger.warn(ip, 'is not an internal ip. Access denied')
res.end()
}
}range_check
This is a simple module to validate IP address, check ip address version, check if ip is within a range.
