Thread: Retrieving Firefox Proxy Info in Windows

  1. #1
    Registered User
    Join Date
    Nov 2005

    Retrieving Firefox Proxy Info in Windows

    Is there any way to progamatically retrieve the proxy information used by Firefox in Windows 2k/XP/Vista? The information I have found thus far is kind of vague, and I was unable to find any substantial sample code. Thank you for any help you can provide.

  2. #2
    Reverse Engineer maxorator's Avatar
    Join Date
    Aug 2005
    I believe that would mean reading and processing FireFox's configuration files.

    There's a prefs.js file in C:\Documents and Settings\CURRENT_USER\Application Data\Mozilla\Firefox\Profiles\CURRENT_PROFILE\.
    //if this line is not present, proxys are off, if the value is 1, 
    //then it's user-specified proxies, if 2, then automatic detection
    user_pref("network.proxy.type", 1);
    //if this line is present and with the value true, then FireFox uses the same proxy for all protocols
    user_pref("network.proxy.share_proxy_settings", true);
    //the proxys and ports (only present if they are set)
    user_pref("network.proxy.ftp", "");
    user_pref("network.proxy.ftp_port", 21);
    user_pref("network.proxy.gopher", "");
    user_pref("network.proxy.gopher_port", 150);
    user_pref("network.proxy.http", "");
    user_pref("network.proxy.http_port", 80);
    user_pref("network.proxy.socks", "");
    user_pref("network.proxy.socks_port", 999);
    user_pref("network.proxy.ssl", "");
    user_pref("network.proxy.ssl_port", 132);
    //specifies the socks version of proxies (only present if value is 4)
    user_pref("network.proxy.socks_version", 4);
    Last edited by maxorator; 08-11-2007 at 10:47 AM.
    "The Internet treats censorship as damage and routes around it." - John Gilmore

  3. #3
    Registered User
    Join Date
    Nov 2005
    Thank you for the reply. I know there is API available to handle this. Are you familiar with it at all or know of any sites with example code for it? Thanks again.

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