Linux工具使用(2)――Xmanager

修改/etc/X11/xdm/Xaccess文件,找到下面语句:# * # any host can get a login windows,去掉前面#;

#/etc/X11/xdm/Xaccess

#*        # any host can get a login window

改为:

* any host can get a login window

修改/etc/X11/gdm/gdm.conf文件

[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=false

…………………………………………………………………..

#Port=177

将其中Enable=false改为Enable=true或者Enable=1

#Port=177前面的#删除

Enable=false

#Port=177

修改/etc/inittab文件

Id:3:initdefault: 改为 id:5:initdefault:

X:5:respawn:/etc/X11/prefdm –nodeamon改为x:5:respawn:/usr/bin/gdm

修改/etc/X11/xdm/xdm-config的最后一行,在displayManager.requestPort:0前面加上一个!号

DisplayManager.requestPort:0改为! DisplayManager.requestPort:0

确保/etc/X11/xdm/Xservers的属性为444/etc/X11/xdm/Xsetup_0的属性为755;默认如此。

Linux机器配置有防火墙,为防止防火墙将通过177端口(即xdmcp服务)的数据过虑,必须加上:

iptables  -A  INPUT  -p udp -s 0/0 -d 0/0 --dport 177 -j ACCEPT

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