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Description of problem: DisallowTCP=false d'not effect With option X server start without nolisten, but X apps from remoute mashine not run, the messages " Can not open display "
This request was evaluated by Red Hat Product Management for inclusion in a Red Hat Enterprise Linux major release. Product Management has requested further review of this request by Red Hat Engineering, for potential inclusion in a Red Hat Enterprise Linux Major release. This request is not yet committed for inclusion.
Two things to check: 1) that you have properly moved your xauth cookie over (it's in the XAUTHORITY environment variable) 2) that your firewall is open enough to allow it through.