Used with lbxproxy to reduce bandwidth requirements and
latency for remote clients (Section 13.11).
MIT-SCREEN-SAVER
The eye-candy extension! MIT-SCREEN-SAVER informs screensavers when to
start and stop (Section 14.3).
RANDR
Stands for rotate and resize. Notifies clients when the display is resized to a new
resolution or rotated (useful on tablet PCs and LCDs on pivot mounts) and
enables the hot-plugging of monitors (Section 5.2).
RECORD
Permits X events to be recorded for later analysis or playback. Used to automate
application testing and provide macro facilities.
RENDER
Provides a digital image composition model. Render simplifies tasks such as
alpha blending (combining partially transparent images) and high-quality antialiased
text display (Section 11.1).
SECURITY
Divides clients into two categories??”trusted and untrusted??”and prevents
untrusted clients from accessing data held for trusted clients. Properly used, this
can reduce the risk of compromise due to actions such as keystroke logging (to
steal passwords) or remote screen dumping (to view sensitive information displayed
on the screen). ssh now supports this extension (Section 13.10).
SHAPE
Enables nonrectangular windows.
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