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Message #61148
[Bug 1390808] Re: VNC / XDMCP server cannot be configured to listen on specific interfaces
** Changed in: lightdm/1.12
Milestone: 1.12.3 => 1.12.4
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https://bugs.launchpad.net/bugs/1390808
Title:
VNC / XDMCP server cannot be configured to listen on specific
interfaces
Status in Light Display Manager:
In Progress
Status in Light Display Manager 1.10 series:
In Progress
Status in Light Display Manager 1.12 series:
In Progress
Status in Light Display Manager 1.2 series:
In Progress
Status in lightdm package in Ubuntu:
Triaged
Status in lightdm source package in Precise:
Triaged
Status in lightdm source package in Trusty:
Triaged
Status in lightdm source package in Utopic:
Triaged
Status in lightdm source package in Vivid:
Triaged
Bug description:
[Impact]
The XDMCP and VNC servers in LightDM allow connections on any network interface. It is desirable for these to be limited to a particular interface to limit who can connect (i.e. only allow local connections on 127.0.0.1).
[Test Case]
1. Enable the VNC server in LightDM in lightdm.conf:
[VNCServer]
enabled=true
listen-address=127.0.0.1
2. Start LightDM
With this setup you should only be able to make a local connection.
[Regression potential]
Low. If the option is not set LightDM has the old behaviour.
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