# tcpdump

Capture all upd traffic being sent to destination port range 1-1023. *Helps when your debugging dns traffic*

```
sudo tcpdump -n udp dst portrange 1-1023
```

Capture packets being sent to a specific destination host ip.

```
sudo tcpdump -n dst host 192.168.10.100
```

Capture ICMP (ping) packets on network interface `eth0`.

```
sudo tcpdump -i eth0 icmp
```