Re[2]: [LARTC] Terrible problem,

Re[2]: [LARTC] Terrible problem,

[Denys]

Dear Krystian

Or even maybe better pppoe :)

> for user verification pptp can be used. its free :-)

> On 5/31/05, cristian_dimache@rtanet.ro
> <cristian_dimache@rtanet.ro > wrote:
> Yes, I have this problem too. And I came up with two ideas: one money
> comsuming, one time consuming.

> Money comsuming: get management switches everywhere, and limit MAC
> learning per port. My network amounts to 500+ stations, over a preety wide
> area (all on ethernet), costs evaluated at 30.000$. Rather expensive, ha?

> Time consuming: get into every windows workstation a program that alows
> network connection if MAC is unchanged from the one stored localy in an
> encrypted file.

> Boss evaluated my ideas, and, guess what? I am now working on the program
> described above.

> It will be publicly available, of course...

>> On Mon, 30 May 2005 20:41:20 +0200 Konrad <kcem@tlen.pl> wrote:
>>
>>>Is any way to detect changed MAC adresses? 
>> I have been working on this for some time. You can try the current
>> version:
>> http://shurdeek.routehat.org/tmp/dhcpwatch2.pl
>>
>> (please don't ask how it works, I'm pretty busy now :-)). 
>>
>>>Someone taught change MACs peoples in my network and I have problems.
>> Yeah I know, I have seen this too.
>>
>>>E.g. Two computers working on one MAC, and one IP (static ARP and DHCP).
>> Exactly.
>>
>>>WinXP is screaming some message... that two computers or more have the
>>>same IP.
>> Actually this happens when people use the same IP but a *different* MAC.
>>
>> Yours sincerely, 
>> Peter
>> _______________________________________________
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>>


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-- 
С уважением,
 Denys                          mailto:nuclearcat@nuclearcat.com

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