XHOST OVERVIEW
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xhost is a program that controls access for X server. You can use xhost to limit access for X server for security reasons. The following message is what you get when connection is rejected by xhost:
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Xlib: connection to "192.168.1.251:0.0" refused by server Xlib: No protocol specified Error: Can't open display: 192.168.1.251:0 |
Block all access (xhost -) and only allow local applications, you would use:
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-bash-3.2$ xhost - |
access control enabled, only authorized clients can connect
To allow all host, you would use:
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-bash-3.2$ xhost + |
access control disabled, clients can connect from any host
To block or allow specific host, you would use:
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USING ACCESS CONTROL IN XMANAGER
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Xmanager is an X Server and has xhost feature built-in. By default, Xmanager allows connection from any hosts. To enable xhost access control:
- Open Xconfig and double click on Default Profile (or select an appropriate Xconfig profile, if you are using a different profile for your Xmanager session)
- Click on the Security tab
- Select the Enable Access Control option
- Enter the IP address or the host name in the Trusted Hosts list
- Click OK
