Where does computer save proxies?

Im wondering, when i type my proxy server in firefox or IE, where does it get saved?

In Firefox the Information is saved in the file:

Code:

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C:\Documents and Settings\[username]\Application Data\Mozilla\Firefox\Profiles\[randomletters].default\prefs.js

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The proxy settings for Internet Explorer are stored in the registry under the following key:

Code:

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HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\

or

HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\

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wow. thanks so much!