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Forums » Anonymously Track a PC Anywhere on Net » Now only if we had another PhD candidate
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Block timestamps using BBR's DrTCP stops method »

oliphant
I Have 8 Boobies
Premium
join:2004-11-26
Corona, CA

Now only if we had another PhD candidate

would could write a paper on how to block it
permalink · 2005-03-04 14:04:06 · Reply to this
DonLibes
Premium,ExMod 2001
join:2003-01-19

Re: Now only if we had another PhD candidate

This should be easy to block. Just run a little daemon that randomly adjusts your system time (backwards and forwards) by a few milliseconds every so often.
permalink · 2005-03-04 14:10:05 · Reply to this

TKJunkMail
Enjoy the sun
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join:2002-03-03
Avalon, NJ
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Re: Now only if we had another PhD candidate

said by DonLibes See Profile:

This should be easy to block. Just run a little daemon that randomly adjusts your system time (backwards and forwards) by a few milliseconds every so often.
Or turn off timestamps with DrTcp as shown in this post:
»Block timestamps using BBR's DrTCP stops method
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permalink · 2005-03-04 14:13:19 · Print · Reply to this

Overhere

@65.185.x.x

Re: Now only if we had another PhD candidate

From what I understand, with Windows boxes....

1. Windows Client connects to our discovery device (this could be a web site etc...)
2. Windows client has timestamps turned off. syn/ack begins.
3. discovery device replies to the windows box with timestamp information included.
4. Windows box ignores that timestamps are turned off and decides to send timestamps in return. Hummmm windows is such a smart OS.

Then fingerprinting can begin. Still unsure of even if this method of fingerprinting is valid but I would assure you that if it is, it will not be patched by OS vendors if the vunerability is patched it may defeat the efforts of our goverment. May I remind everyone of the Patroit Act.
permalink · 2005-03-10 21:55:49 · Print · Reply to this
Done_Posting
Shoot to kill
Premium
join:2003-08-22
Toledo, OH		 What a fascinating article. I'll have have to keep my eyes peeled for more info.
permalink · 2005-03-04 14:13:49 · Reply to this
Forums » Anonymously Track a PC Anywhere on NetBlock timestamps using BBR's DrTCP stops method »

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