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Networks challenges where you have to deal with captured traffic.
The following set of problems deal with network traffic including different protocols. You need to analyse the packet captures to solve these challenges.
Prerequisites:
Knowledge of a network capture analyzing tool.
Knowlege of the most common network protocols.


Challenges
| Challenge's Name | Validations | Number of points | Difficulty | Author | Who ? |
| File Transfer Protocol |
41%
|
10 Points | Easy | g0uZ | Who ? |
| Telnet session |
38%
|
10 Points | Easy | g0uZ | Who ? |
| Time To Live |
31%
|
15 Points | Easy | g0uZ | Who ? |
| Twitter authentication |
36%
|
15 Points | Easy | g0uZ | Who ? |
| Global System Traffic for Mobile communication |
1%
|
25 Points | Medium | koma | Who ? |
| HTTPS exchange |
9%
|
30 Points | Medium | g0uZ | Who ? |
| ICMP payload |
7%
|
40 Points | Medium | g0uZ | Who ? |
| SIP authentication |
27%
|
20 Points | Medium | g0uZ | Who ? |
| XMPP authentication |
1%
|
45 Points | Medium | koma | Who ? |


Challenge Results
| Pseudo | Challenge | Date |
| bens60 | Authentification SIP, Réseau | 18 May 2012 at 12:14:28 |
| bens60 | Authentification twitter, Réseau | 18 May 2012 at 12:08:17 |
| bens60 | Time To Live, Réseau | 18 May 2012 at 12:03:39 |
| bens60 | Session TELNET, Réseau | 18 May 2012 at 12:00:06 |
| bens60 | File Transfer Protocol, Réseau | 18 May 2012 at 11:27:32 |
| papymougeot | File Transfer Protocol, Network | 17 May 2012 at 20:17:42 |
| rallus | Authentification SIP, Réseau | 17 May 2012 at 19:39:06 |
| rallus | Time To Live, Réseau | 17 May 2012 at 19:33:28 |
| rallus | Authentification twitter, Réseau | 17 May 2012 at 19:24:00 |
| rallus | Session TELNET, Réseau | 17 May 2012 at 19:22:35 |