Занятие 4. Модель OSI. Транспортный уровень - L4 Сканирование спомощью netdiscover ![](https://i.imgur.com/gUjzK02.png) ![](https://i.imgur.com/8bDmZuk.png) Сканирование сети с помощью nmap ![](https://i.imgur.com/2uFKhXv.png) ![](https://i.imgur.com/Z0cklv1.png) ![](https://i.imgur.com/BNT9Yxy.png) ![](https://i.imgur.com/GFJ3KSm.png) ![](https://i.imgur.com/riWRiSE.png) ![](https://i.imgur.com/3YXLl8d.png) Настройка SPAN на switch ``` Building configuration... Current configuration : 1090 bytes ! ! Last configuration change at 23:50:20 UTC Tue Jan 10 2023 ! version 15.2 service timestamps debug datetime msec service timestamps log datetime msec no service password-encryption service compress-config ! hostname Switch ! boot-start-marker boot-end-marker ! ! ! no aaa new-model ! ! ! ! ! ! ! ! ip cef no ipv6 cef ! ! ! spanning-tree mode pvst spanning-tree extend system-id ! vlan internal allocation policy ascending ! ! ! ! ! ! ! ! ! ! ! ! ! ! interface Ethernet0/0 ! interface Ethernet0/1 ! interface Ethernet0/2 ! interface Ethernet0/3 ! interface Ethernet1/0 ! interface Ethernet1/1 ! interface Ethernet1/2 ! interface Ethernet1/3 ! interface Ethernet2/0 ! interface Ethernet2/1 ! interface Ethernet2/2 ! interface Ethernet2/3 ! interface Ethernet3/0 ! interface Ethernet3/1 ! interface Ethernet3/2 ! interface Ethernet3/3 ! ip forward-protocol nd ! ! no ip http server no ip http secure-server ! ! ! ! ! control-plane ! ! line con 0 logging synchronous line aux 0 line vty 0 4 ! ! monitor session 1 source interface Et0/0 monitor session 1 destination interface Et1/0 ! End ``` Настройка интерфейсов linux ![](https://i.imgur.com/aEWNRZ7.png) ![](https://i.imgur.com/smxjMri.png) Сканирование сети через SPAN на linux ![](https://i.imgur.com/CXsy1aK.png) Настройка linux для MITM apt install brige util ![](https://i.imgur.com/EgRAv3i.png) ![](https://i.imgur.com/7qNGcat.png) Скан сети через MITM ![](https://i.imgur.com/qwGiQrt.png)