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HellBound Hackers | Computer General | Networking

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ARP Poisioning Detection


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Posted on 11-12-07 18:52
Hey all,

I have been doing some research and i was wondering how (by your opinions) detectable ARP poisioning is on a Busy Network?

Also are there some steps or areas i should do more research into to become less detecable if i was to perform a ARP poison?

Thanks Guys and Gals.

Relentless.


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RE: ARP Poisioning Detection


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Posted on 11-12-07 19:43
ZoneAlarm Pro has a function to prevent APR. I tested it with Cain & Abel and it seems to protect from the attack.


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RE: ARP Poisioning Detection


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Posted on 11-12-07 19:58
Sweet thanks for the info man. But what about detecability? if i was to sniff a network what are the chances of me getting caught for example?

Relentless.


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RE: ARP Poisioning Detection


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Posted on 11-12-07 20:52
Well, if there are static MAC addresses in server ARP table, there isn't any way how to poison it...
about detection: Average programmer or scripter can make an application, which will watch arp table for him and tell him about some changes. This programming is question about 3 minutes so yes, it's easily detectable (but many network admins aren't programmers...)


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RE: ARP Poisioning Detection


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Posted on 11-12-07 23:10
Aha thank you very much. Just what i was looking for Grin

Cheers again Pfft

Relentless.


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RE: ARP Poisioning Detection


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Posted on 12-12-07 02:43
deathalive wrote:
but many network admins aren't programmers...


I know that the question has been answered already, but this statement was something that I had to speak on. Of course, you are absolutely right about netadmins not having the coding experience that would help. In fact, netadmins should be required to have at least a moderate knowledge of scripting languages. Tasks that could easily be replaced by automation compose at least 50% of an admin's job; that time could be used to further the technology that's already there, instead of simply supporting it.

As for the original question... the ideal place to put a MAC spoofing detection method would be on the network switches, as they handle Layer 2 packets. For a "homegrown" solution, however, an IDS system would suffice, too, I'm sure. I would be interested to see a programmatic solution for such tracking / detection; for that matter, the pseudocode would even be of interest.



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RE: ARP Poisioning Detection


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Posted on 12-12-07 09:42
wow nice one thank you Smile

Relentless,


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RE: ARP Poisioning Detection


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Posted on 16-09-08 23:33
Hmm, here is a scenario.
On big LAN, 100 computers or more.
You are the network administrator, and are going to prevent ARP poising attacks on the users.
Are there anyway the network administrator can monitor if any of the users are getting ARP poisoned?


I dont know really, but are users ment to send ARP replay packets out to the network? And are ARP replay packets possible to sniff for the network administrator?


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RE: ARP Poisioning Detection


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Posted on 17-09-08 00:39
Hmm, here's a scenario: Quit bumping dead threads. If you have a question pertaining to the original topic, post it in a new thread.


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RE: ARP Poisioning Detection


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Posted on 17-09-08 14:49
Oh, ops. Sorry, dint notice the date.




Edited by on 17-09-08 14:49