not sure where to post this, but since im a newbie....

i use apache 2.0.36 as a proxy server on a mandrake 9 box. i set my browsers to go through the proxy, i have the proxyVia directive set to Block, i'd like to surf anonymously and have my computer not give out all sorts of info when i surf, but sites that do proxy checks still pick up my ip address. is it possible to get apache 2.0.36 to strip my ip address off (if this is indeed what happens when one uses an "anonymous" proxy)?? or is my router adding the ip address back on??

any help would be greatly appreciated