ARD and Lion?

Don't know if this will help:
I've LAN Remote connection but not WAN in my new Lion (from Leopard, SNL and Lion). No ARD, no Screen Sharing, no afp. I've tried everything (also downgrade to ARD 3.4) and go crazy.
Finally I see Lion Remote management don't open port 3283 (how we can open that, now? Impossible with Firewall on and off). I think instead use port 3031 (eppc, Remote AppleEvents).
I've opened port 3031 in the router and now works fantastic.

amoeba wrote:
I've finally figured out what's going on. (with my setup anyway)
I have a second monitor connected - a 22" Samsung. But here's the key - the monitor pivots 90 degrees - I like it for reading long web pages, and in the displays system preference you can set the monitor up for that rotation. So they are arranged like this:
If I control the iMac with that setup I get an instant kernel panic when I Observe or Control (most other commands work fine).
I can prevent the kernel panic completely by turning off the monitor rotation - the below does not cause a kernel panic when I control or observe.
Disconnecting the 2nd monitor also works, naturally, but kind of defeats the purpose of having a 2nd monitor.
I've tested this for a few hours now to be sure, and it seems to be reliable - rotate the monitor and it panics when controlled or observed, don't rotate it and all works fine.
This worked with no problems in 10.7.1 and ARD 3.5.1, and my work iMac is on 10.6.8 with ARD 3.5.1 and the exact same rotated monitor and that works fine. So it must be 10.7.2 that's caused this issue with this iMac.
Jamie - any chance you have a 2nd monitor pivotted 90 degrees?
timben - thanks for the RAM tip - I'd thought of that and tried new/different RAM and hardware test - but all tested fine, but the panics still happened.
Seeing the same thing too.  As you say, it's the rotated monitor.  I have the exact same monitor configuration (Apple 30" display and an additional display to the left rotated 90 degrees).
Also, mine doesn't panic, it just freezes instantly and completely.  Can't even SSH in or ping the machine. 
My machine is a Mac Pro 1,1 with an brand new SSD and ATI 5780 graphics card.
Worked perfectly in Snow Leopard.
Just installed a fresh copy of 10.7.2.  Sigh - now I can't get into my computer.

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