X client applications does not access a Xvfb.

Solution Verified - Updated -

Issue

  • X client applications does not access a Xvfb.
    # DISPLAY=:9 xclock
Xlib: connection to ":9.0" refused by server
Xlib: No protocol specified

Error: Can't open display: :9
  • Then the Xvfb shows the following message.
    AUDIT: Tue Aug 24 16:31:43 2010: 3231 Xvfb: client 1 rejected from local host

Environment

  • Red Hat Enterprise Linux 5

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