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Ensure address is private #2297

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Merged
merged 3 commits into from
May 21, 2017
Merged

Ensure address is private #2297

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002ff10
Ensure address is private
Timer May 20, 2017
a7d06d5
adjust rule
Timer May 20, 2017
cd64c61
Update WebpackDevServerUtils.js
Timer May 20, 2017
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15 changes: 14 additions & 1 deletion packages/react-dev-utils/WebpackDevServerUtils.js
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Original file line number Diff line number Diff line change
Expand Up @@ -52,9 +52,22 @@ function prepareUrls(protocol, host, port) {
if (isUnspecifiedHost) {
prettyHost = 'localhost';
try {
// This can only return an IPv4 address
lanUrlForConfig = address.ip();
if (lanUrlForConfig) {
lanUrlForTerminal = prettyPrintUrl(lanUrlForConfig);
// Check if the address is a private ip
// https://en.wikipedia.org/wiki/Private_network#Private_IPv4_address_spaces
if (
/^10[.]|^172[.](1[6-9]|2[0-9]|3[0-1])[.]|^192[.]168[.]/.test(
lanUrlForConfig
)
) {
// Address is private, format it for later use
lanUrlForTerminal = prettyPrintUrl(lanUrlForConfig);
} else {
// Address is not private, so we will discard it
lanUrlForConfig = undefined;
}
}
} catch (_e) {
// ignored
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