[xdmcp] # Distributions: Ship with this off. It is never a safe thing to leave # out on the net. Setting up /etc/hosts.allow and /etc/hosts.deny to only # allow local access is another alternative but not the safest. # Firewalling port 177 is the safest if you wish to have xdmcp on. # Read the manual for more notes on the security of XDMCP. Enable=true
! SECURITY: do not listen for XDMCP or Chooser requests !Comment out this line if you want to manage X terminals with xdm !DisplayManager.requestPort: 0
3.修改/etc/X11/xdm/Xaccess文件 #* #any host can get a login window 去掉此行首位的#
# right hand sides can match. #
*#any host can get a login window
# # To hardwire a specific terminal to a specific host, you can