[Home](./index.md) > [bitburner](./bitburner.md) > [NS](./bitburner.ns.md) > [ftpcrack](./bitburner.ns.ftpcrack.md)
## NS.ftpcrack() method
Runs the FTPCrack.exe program on the target server. FTPCrack.exe must exist on your home computer.
Signature:
```typescript
ftpcrack(host: string): void;
```
## Parameters
| Parameter | Type | Description |
| --- | --- | --- |
| host | string | Hostname of the target server. |
Returns:
void
## Remarks
RAM cost: 0.05 GB
## Example
```ts
ftpcrack("foodnstuff");
```