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# Layer7-protections
> Tested on linux based systems using iptables.
## Installation

### npm
```sh
npm install npm-layer7-protections
```
### yarn
```sh
yarn add npm-layer7-protections
```
## Usage
```javascript
const { isProxy, dropIp, checkIp, openFile } = require('npm-layer7-protections');
  openFile('IP2PROXY_DATABASE_FILE.bin')
    .then(() => {
      return isProxy(IP);
    })
    .then(() => {
      return dropIp(IP);
    })
    .then(() => {
      console.log('Success');
    })
    .catch(() => {
      console.log('Error');
    });
checkIp(IP, 'IP2PROXY_DATABASE_FILE.bin'); // checkIp uses both modules: isProxy and dropIp
```
## Note
> IP2PROXY_DATABASE_FILE.bin is an example name of the file that you can download via this site: https://lite.ip2location.com/database/px1-ip-country