**Description**```We love puzzle and we put a small puzzle for you ..If you can't solve it study some math and come back again
--------------------------------------------Challenge's URL : http://blackfoxs.org/radar/puzzle```![alt text](https://github.com/manulqwerty/CTF-Stuff/blob/master/RADARCTF/puzzle/1.png)
Checking the source, we find ****![alt text](https://github.com/manulqwerty/CTF-Stuff/blob/master/RADARCTF/puzzle/2.png)
On the puzzle_code_file.zip we get the index.php source code, the importan part:```php 10000){```To bypass this we have to set a numeric **USER-AGENT > 10000** with less that 4 characteres = **9e9**```python#!/usr/bin/env pythonimport requestsimport re
url = 'http://blackfoxs.org/radar/puzzle/'
headers = {    'User-Agent': '9e9',}
r = requests.get(url, headers=headers)m = re.search('id="desc">(.+?)</h2>', r.text)if m:    found = m.group(1)    print found
```![alt text](https://github.com/manulqwerty/CTF-Stuff/blob/master/RADARCTF/puzzle/3.png)