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node_modules/hide-powered-by/README.md

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+Hide X-Powered-By
+=================
+[![Build Status](https://travis-ci.org/helmetjs/hide-powered-by.svg?branch=master)](https://travis-ci.org/helmetjs/hide-powered-by)
+
+Simple middleware to remove the `X-Powered-By` HTTP header if it's set.
+
+Hackers can exploit known vulnerabilities in Express/Node if they see that your site is powered by Express (or whichever framework you use). For example, `X-Powered-By: Express` is sent in every HTTP request coming from Express, by default. This won't provide much security benefit ([as discussed here](https://github.com/expressjs/express/pull/2813#issuecomment-159270428)), but might help a tiny bit. It will also improve performance by reducing the number of bytes sent.
+
+```javascript
+const hidePoweredBy = require('hide-powered-by')
+app.use(hidePoweredBy())
+```
+
+You can also explicitly set the header to something else, if you want. This could throw people off:
+
+```javascript
+app.use(hidePoweredBy({ setTo: 'PHP 4.2.0' }))
+```
+
+Note: if you're using Express, you don't need this middleware and can just do this:
+
+```javascript
+app.disable('x-powered-by')
+```