firefox problems with: browser_confine_unconfined --> on

Daniel J Walsh dwalsh at
Tue May 13 12:59:59 UTC 2008

Hash: SHA1

Christoph A. wrote:
> Hi,
> I'm looking forward do confine users (firefox, thunderbird). I played
> with xguest_u and I liked the behavior of firefox (home not writeable
> except ~/Downloads, ~/.mozilla), but I need other programms
> (thunderbird, ssh) to connect to the internet too, so I wanted to try
> the usual unconfined_u with browser_confine_unconfined set.
> I didn't find mutch about this boolean but I wanted to see, if with this
> boolean set, firefox of an unconfined user will behave like firefox of
> xguest_u.
> After setting the boolean firefox runs in its own domain
> (unconfined_mozilla_t) that looks fine.
> When I tried to save a picture to see if I can write to ~/ (not
> ~/Download) firefox hangs (immediately after klicking on "Save Image
> As...") and I had to use kill to terminate it.
> observing the audit.log file with tail -f shows:
> type=USER_AVC msg=audit(1210554417.821:80): user pid=1648 uid=81
> auid=4294967295 subj=system_u:system_r:system_dbusd_t:s0-s0:c0.c1023
> msg='avc:  denied  { send_msg } for msgtype=method_return dest=:1.93
> spid=1783 tpid=3412 scontext=system_u:system_r:hald_t:s0
> tcontext=unconfined_u:unconfined_r:unconfined_mozilla_t:s0 tclass=dbus :
> exe="/bin/dbus-daemon" (sauid=81, hostname=?, addr=?, terminal=?)'
> If I set browser_confine_unconfined to 0 this problem doesn't occur.
> Should firefox (unconfined_mozilla_t) behave like firefox of xguest_u,
> or is this boolean for something different?
> thanks,
> Christoph A.
> PS: I'm using FC9.
> --
> fedora-selinux-list mailing list
> fedora-selinux-list at
No this seems like something that should be allowed.
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