[squid-users] Squid Hotmail problems

I have installed squid 2/7/3.0/3.1 and having the same issues with
hotmail on all versions.

My Squid is setup as a transparent proxy.

When going to http://www.hotmail.com via firefox there are no issues.
Click login and the mailbox appears.

Using IE users can login but it just brings them to a blank page. If
they click refresh on the browser the mailbox shows up correctly.

Any ideas how to avoid this problem?

I have tried bypassing hotmail.com, live.com domains with no luck.

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