Originally posted by mSparks
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Also the old libx11 that on those old installs is horrible security broken.
You are going wanting to run a xpra proxy between those old machines and the outside world. xpra uses own network protocol that blocks stack of X11 protocol/libx11 issues. Yes there is a reason why different cloud services disable ssh -X in the provided images. There are things that a modern client X11 server will reject that a RH4 or a sunos 2.0 will expect to be allowed todo that where the xpra proxy comes in. Yes having to deal with old RH3 and RH4 instances I am very aware of these problems.
X11 protocol is not perfectly compatibility.
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