Beating Puresight

Forum for support for the PureSight for WinGate content filtering plugin

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Beating Puresight

Postby alyork » Jul 17 08 4:46 am

A number of my clients have reported that Puresight is easily beaten in some case.

It seems that if a site is flagged as blocked due to whatever, clicking the bowser reload/refesh several times often gets past Puresight and opens the blocked site anyway.

So I thought I'd test this and sure enough, I was able to open sites that were initially blocked after not too much fooling around.

What is going on here and how do I fix the problem?

Thanks - Al
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Re: Beating Puresight

Postby alyork » Aug 03 08 3:51 pm

I now assume, after two weeks since my post, and the total lack of replies that Puresight really is busted and there is no answer about how to fix it. Sigh.
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Re: Beating Puresight

Postby Skippy » Aug 06 08 8:01 am

I have actually found this to be true also.

Is there any information to help mitigate this problem?

Thanks,
Skippy
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Re: Beating Puresight

Postby adrien » Aug 09 08 11:26 am

Hi

Sorry for lack of response on this so far. We've had reports of this before, but I thought it was fixed. Do you have caching enabled in WinGate?

Regards

Adrien
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Re: Beating Puresight

Postby alyork » Aug 10 08 11:06 am

Caching is set to the default during the Wingate install at all my sites. I assume that its on as I haven't turned it of anywhere.
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Re: Beating Puresight

Postby Hopkinsmailing » Aug 21 08 6:13 am

We have had caching turned off for many versions now. Google is the easiest to beat and will give up the goods minus picutres in most cases. I just did a keyword search on playboy and it gave up a list after three tries. Some of the links blocked but PureSight let me through to www.primebreasts.net without a complaint. It's a gallery of topless bunnies.

Rob Hopkins
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Re: Beating Puresight

Postby adrien » Mar 13 09 11:33 am

Hi

We;re going to be releasing a new version of PureSight soon using an updated PureSight SDK. I've also made some major mods to the structure of the WWW proxy. Combined I believe this means this problem will go away, as the interaction between scanning and caching is now much more deterministic, and the cache won't have access to anything blocked by a scanning plugin (which it shouldn't have before, except possibly in some error conditions).

Regards

Adrien
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Re: Beating Puresight

Postby adrien » Mar 19 09 11:36 am

Hi

Would anyone seeing this problem like to test a WinGate 6.5.3 which we believe should fix it?

let me know and I'll send you a download link

Cheers

Adrien
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Re: Beating Puresight

Postby jho » Sep 21 13 7:42 pm

Hi,

have a small problem with filtering in PureSight 8 which seems to be similar to what Rob described.
We have just installed Wingate 8 and PureSight 8 in a setup with a number of PC's and all working technically and generally fine.
We are have enabled blocking using a number of categories in PureSight and this works "99%" ok.

We are doing some testing before we let this setup become accessible for users.
Among other we want to completely block any access to explicit sexually-related material.
The appropriate category in PureSight is enabled and is generally working fine, however:

Links going to for example Google images within this category is not entirely blocked by WinGate / Puresight.
We got pages of explicit sexually-related photos (very bad porn photos...) via Google images.

These images might not have any text "wrapped around them" (in lack of a better description), tags or metadata indicating this content...

How can this be resolved?

Jon
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