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Computer Security - X-Windows installed on hardenend DMZ host |
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10-08-2004, 11:21 AM
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#1 |
X-Windows installed on hardenend DMZ host
Hi all,
(I trust this is ok in this group - If not pls could anyone point to a more appropriate one, pls). Does anyone know where to find more information about security risks / issues having X-Windows libs + apps installed (but not running) on a DMZ box? Thanks in advance, Robin Robin Huiser |
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10-09-2004, 12:46 AM
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#2 |
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Posts: n/a
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Re: X-Windows installed on hardenend DMZ host
On Fri, 08 Oct 2004 12:21:13 +0200, Robin Huiser <>
wrote: >Hi all, > >(I trust this is ok in this group - If not pls could anyone point to a >more appropriate one, pls). > >Does anyone know where to find more information about security risks / >issues having X-Windows libs + apps installed (but not running) on a DMZ >box? > >Thanks in advance, > >Robin ##################### You didn't say what OS it is but as far as FreeBSD goes, remote X displays are disabled by default. That's the -listen_tcp option of the startx command. Also, if I remember correctly, X server runs on port 6000, which can be blocked. Soemthing comes to mind. Edit the xinitrc file where it says #start some nice programs. Delete what it says under that. donnie donnie |
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10-21-2004, 01:14 PM
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#3 |
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Posts: n/a
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Re: X-Windows installed on hardenend DMZ host
donnie wrote:
> On Fri, 08 Oct 2004 12:21:13 +0200, Robin Huiser <> > wrote: > > >>Hi all, >> >>(I trust this is ok in this group - If not pls could anyone point to a >>more appropriate one, pls). >> >>Does anyone know where to find more information about security risks / >>issues having X-Windows libs + apps installed (but not running) on a DMZ >>box? >> >>Thanks in advance, >> >>Robin > > ##################### > You didn't say what OS it is but as far as FreeBSD goes, remote X > displays are disabled by default. That's the -listen_tcp option of > the startx command. Also, if I remember correctly, X server runs on > port 6000, which can be blocked. > Soemthing comes to mind. Edit the xinitrc file where it says #start > some nice programs. Delete what it says under that. > donnie Thanks for the comment!!! The OS is AIX and my concerns are mainly what a hacker could do with the extra installed software and libs - there is no X server running during normal operation. Robin Huiser |
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