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Re: [Jailkit-users] How to jail Opera or Firefox...?

From: Hubert Havel
Subject: Re: [Jailkit-users] How to jail Opera or Firefox...?
Date: Thu, 17 Aug 2006 21:54:15 +0000

I finally got Opera to work in jail. Thanks, Oliver, for your assistance. However, I was trying to connect it to WIFI internet using Kinternet. (in SuSE 10.1) There when I tried to invoke
Kinternet inside the jail. By invoking the following command:

   ssh -X address@hidden  /opt/kde3/bin/kinternet

I got the following message:

“There is an error setting inter-process communication for KDE. The message return by the system was: Could not read network connect list. /home/janeDCOPserver_hostname_localhost_10 Please check that DCOPserver is running.”

   As it turned out, the .DCOPserver_hostname_localhost_10  file does not
   exist in the (jailed jane home directory: (/home/jane). Do I need to put
the DCOPserver in jail too? Or is there a more elegant solution to this problem? Has anyone
   jailed any WiFi software - similar to Kinternet in SuSE Linux?

Has anyone ever tried to connect to the WiFi internet using a jailed Kinternet or some other program?

 thanks!! Hubert.

From: Olivier Sessink <address@hidden>
Reply-To: address@hidden
To: address@hidden
Subject: Re: [Jailkit-users] How to jail Opera or Firefox...?
Date: Mon, 07 Aug 2006 22:46:52 +0200

Hubert Havel wrote:
> Hi Olivier,
>   Thank you for your directions.
>   Just to be sure that I am taking the correct approach to jail firefox;
>   this is a rough outline on how I envision this can be safely
>   implemented using Jailkit:

not sure if that would work

what I do is

ssh -X address@hidden /usr/bin/firefox

the ssh daemon will help to set up X forwarding. user jane should be
configured to have jk_chrootsh as shell. Inside the jail, user jane
should have jk_lsh as shell. inside the jail jk_lsh should be configured
to allow firefox execution.

so I use a different user for firefox.

>   (Question 3: In additional to xauth, firefox and ssh modules, is
>   there a networking module (e.g. kinternet) that I would need
>   to jail so that Firefox would be able to access the internet from
>   the jail?)

you need basic networking, see jk_init or jk_init.ini for the files that
are needed for basic networking.


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