[Dnsmasq-discuss] --script-arp question

[0zl]

On 4/12/23 08:19, Geert Stappers wrote:
> On Wed, Apr 12, 2023 at 02:03:22AM +0300, 0zl wrote:
>> On 4/12/23 01:59, 0zl wrote:
>>> Second I don't understand how this works exactly, I intend to create a
>>> script that adds a permanent arp entry to make me more resilient to ARP
>>> spoofing attacks, should I create the entry on arp add/old and remove on
>>> del; OR use these arp-add and arp-del actions to do the same.
>> Replying to myself because I made a typo in this paragraph. I meant to say:
>> "should I create the ARP entry on the add/old action and remove on del"
> Experiment
>
>
> Groeten
> Geert Stappers

This dhcp-script seems to work just fine, not sure what the point of 
arp-add/arp-del is though:

#!/bin/sh
action=$1 hw_addr=$2 hostname=$3
case $action in
	add|old) arp -s $hostname $hw_addr ;;
	del)     arp -d $hostname          ;;
esac
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