Well, here comes a serious problem. With the HTTP Proxy in Transparent mode, if you attempt to log in to Yahoo mail (and some other online mail services), you get an error. Here's exactly what I got when trying to log in to Yahoo mail:
ERROR
The requested URL could not be retrieved
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While trying to retrieve the URL: /reg/login0/no_suli/login/us/ym/*http://login.yahoo.com/config/login?.tries=1&.src=ym&.md5=&.hash=&.js=1&.last=&promo=&.intl=us&.bypass=&.partner=&.u=704ulj918kskm&.v=0&.challenge=bHiw1Ekz7gnYDszJUUH1YpvpdEzr&.yplus=&.emailCode=&pkg=&stepid=&.ev=&hasMsgr=1&.chkP=Y&.done=http%3A//mail.yahoo.com&login=loginname&passwd=1bfc660b684748217c0761ab08b87385&.persistent=&.save=1&.hash=1&.md5=1
The following error was encountered:
Invalid URL
Some aspect of the requested URL is incorrect. Possible problems:
Missing or incorrect access protocol (should be `http://'' or similar)
Missing hostname
Illegal double-escape in the URL-Path
Illegal character in hostname; underscores are not allowed
Your cache administrator is webmaster.
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