ICMP protocol
Internet Control Message Protocol
Usage
- Diagnose network issues (use ping and nping)
- Check weather the dat is raching ht eintneted destinaiton(in time)
- Used on the network devieces such a routers
- Can be used in DDosS
Devices Send messages between each other (menagagment and control of devices across devices)
- Text messaging for your network devices
- Another prtocol carried by Ip
- Not used for data trasfer
- Devices can request and reply to administrativer requests
ping_command
- When u send ping u send the ICMP packet and get ICP packet in response
- Devices can send massege whetn things dont go well (message where
created becouse of ICMP)
- The network u’re trying to reach is not reachable from here
- Your time-to-live expired
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