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The error is the way the proxy caches dns entries. If I
can entice you (or any of the users using the same proxy)
to visit my site (web link, html email, virii), or I have taken
control of another site's dns server I can return a reverse
dns value for a domain I'm not authoritative over (eg your
bank).
The Proxy Server will then use this polluted dns value for its
forward dns lookup, so when your employees go to do your
banking they'll go to my site.
The only limiting factor for this is I must be the first reverse
lookup result (for it to be cached)!
But given the amount of information I could extract from
your employees, all without their knowledge or indeed your
IT dept, I'd think this is a little more serious than
"important". - Posted by: Richard Flude Posted on: 11/10/04 You are currently: a Guest | Members login | Terms of Use
Windows 3.0 has a bug in it too
mojoman_x@... | 11/09/04
|
And I thought this was serious
Richard Flude | 11/09/04
|
Did it really say that?
johnwsaundersiii@... | 11/10/04
|
|
An example
Richard Flude | 11/10/04
|
What do you think?
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