1) You have to click on the login button to login, can't just hit enter after password.
2) I still get the same error on content filter: I copied it this time, I have it configured for nudity blocking:
The page is currently unavailable
Due to current high demand, the page you are looking for cannot be delivered right now.
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Please click the Refresh button, or try again later.
HTTP Error 408 / 409 - Not acceptable / Resource conflict
Internet Explorer
3) It seems that the really slow menu is the nat/masq menu, takes a long time to come up.