Posted by osfwofujro on 09/07/05 02:51

Benjamin Niemann wrote:

>osfwofujro wrote:
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>>Yes, my issue was as followed: I used proxies to connect to a site, thus
>>hiding my IP. Without noticing, since I was using Firefox, one of the
>>windows (open in a new window) was still open when I closed the proxy
>>program and changed the browser to "directly connect". I did not
>>connect the the site again, but simply closed the browser window for
>>that site. I was wondering, since there was no connection to the site,
>>and the site does not automatically refresh, if the site could grab my
>>IP. I had not heard of the keep alive technique, but it would appear,
>>that because the specific connection was broken when the proxy chain was
>>closed, that the site could not have grabbed my IP. I take it this is
>>correct and thank you, once again, for your informative responses.
>>
>>
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>You should be save for 99.999999%. There is the very small possibility that
>the document in the window constantly 'pinged' the server using JavaScript
>without any visual change (like refreshing). But I doubt that even the most
>evil webmaster would make this effort just to catch one additional IP every
>5000 years...
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So, IOW, if the site wanted to it could ask JS to connect to the server
to grab the IP. But, as you say, this seems extreme.

Thanks so much for your help - really appreciated.

>>Incidenatlly, in FF options I can not see an option not to use keep
>>alive technique.
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>IIRC, it's hidden in the config file that you have to edit manually.
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