This is what I got:

/home/nanook >xhost
access control enabled, only authorized clients can connect
SI:localuser:nanook
/home/nanook >


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On Wed, 7 Jan 2015, Stefan Baur wrote:

Date: Wed, 07 Jan 2015 04:53:56 +0100
From: Stefan Baur <[email protected]>
To: [email protected]
Subject: Re: [X2Go-User] Is x2goserver available?

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Am 07.01.2015 um 04:32 schrieb Stefan Baur:
Am 07.01.2015 um 04:27 schrieb Robert Dinse:

For what it's worth I installed the packages for Ubuntu on Mint
and it is working.  Have I introduced a grave security problem?

Maybe, maybe not.  Read through the bug description, try to
reproduce the issue, check for the presence of that
/etc/xdg/autostart/mint-xhost-plus.desktop file and its content.

Addendum: the easiest way to check whether security is currently
enabled is to log on as a regular user, and run
"xhost" (without the quotes, and without any parameters) in an xterm.

In my case (Debian Wheezy, not Mint), it replies with:

access control enabled, only authorized clients can connect
SI:localuser:MYUSERNAMEHERE


And your output, if you're safe, should look similar.

If the first line, however, reads

access control disabled, clients can connect from any host

then you have an issue.  A serious one.

- -Stefan

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