Re: Ping a mac address

[kuisma <kuisma () ping se>]

Tricky;

a) The MAC address may no have an IP address at all
b) The MAC address may send IP frames for many IP addresses (a router 
for example)

You can do a few tricks;

1) Broadcast Reverse ARP for that MAC address, but it's likely not to 
give any response at all.

2) Send that MAC address a packet with YOUR OWN IP as target, and see if 
you get it back in return. You then know that the MAC address exists, it 
can speak IP and have IP forwarding capabilities.

3) Send that MAC address an ICMP Echo on IP broadcast address(es). You 
MAY get a reply, and the reply may give away the primary (or closest) IP 
address, or it may return the broadcast address as source. But remember, 
an ICMP Echo Request destined to an IP broadcast or IP multicast address 
MAY be silently discarded according to rfc792.

Good luck,
-- Mikael Kuisma, Ping Research


Roni Bachar wrote:

> Hi again 
>
> I guess I didn't explain my self good.
> What I want is tool that i can do:
> Ping 00:0F:EA:8C:FC:5A
>
>
> And in return get the ip of this mac
>
>
>
>
>
>
>
>
>
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Attachment: kuisma.vcf
Description:

------------------------------------------------------------------------------
Audit your website security with Acunetix Web Vulnerability Scanner: 

Hackers are concentrating their efforts on attacking applications on your 
website. Up to 75% of cyber attacks are launched on shopping carts, forms, 
login pages, dynamic content etc. Firewalls, SSL and locked-down servers are 
futile against web application hacking. Check your website for vulnerabilities 
to SQL injection, Cross site scripting and other web attacks before hackers do! 
Download Trial at:

http://www.securityfocus.com/sponsor/pen-test_050831
-------------------------------------------------------------------------------