---
# System prepended metadata

title: Networks basic

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# Networks basic
## Практическая работа №5
Топология сети:
![](https://i.imgur.com/ulaYiDw.png)
![](https://i.imgur.com/hXlUcOt.png)


1. DHCP атака:
![](https://i.imgur.com/nwexE1T.png)
![](https://i.imgur.com/ULw1pmT.png)
![](https://i.imgur.com/0XGy4cI.png)

2. Защита от Rogue DHCP Server:
![](https://i.imgur.com/qzsVnfE.png)

3. Защита от DHCP starvation:
![](https://i.imgur.com/G5qbCnf.png)

4. Атака CAM-table overflow
![](https://i.imgur.com/wLJydc8.png)
![](https://i.imgur.com/or0yGbC.png)

Защита аналогична DHCP starvation

5. Атака VLAN hopping
![](https://i.imgur.com/vzq5cwi.png)

Для защиты необходимо не испольовать trunk режим по умолчанию, не использовать VLAN 1.

6. Атака MAC-spoofing:
![](https://i.imgur.com/jyN6iCq.png)
Защита аналогична DHCP starvation

7. Настройки ACL:
![](https://i.imgur.com/zerYeiR.png)





