Re: SELinux Attack!

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Matthew Saltzman wrote:
On Sun, 2007-10-14 at 05:35 -0600, Karl Larsen wrote:
Erich Zigler wrote:
On Sat, 13 Oct 2007 11:32:11 -0600 Karl Larsen <[email protected]> wrote:

    I will not turn on SELinux again until I see a update for dbus.
It appears dbus is used only by SELinux.
Incorrect. dbus is not used by SELinux. dbus and SELinux do not
depend or require each other. Many GNOME/GTK applications you are
running on your machine require dbus. If you do a ps auxww | grep dbus
right now you will see that it is running.

D-Bus is a message bus system, a simple way for applications to talk
to one another. In addition to interprocess communication, D-Bus helps
coordinate process lifecycle; it makes it simple and reliable to code a
"single instance" application or daemon, and to launch applications and
daemons on demand when their services are needed.

D-Bus supplies both a system daemon (for events such as "new hardware
device added" or "printer queue changed") and a per-user-login-session
daemon (for general IPC needs among user applications). Also, the
message bus is built on top of a general one-to-one message passing
framework, which can be used by any two apps to communicate directly
(without going through the message bus daemon). Currently the
communicating applications are on one computer, or through unencrypted
TCP/IP suitable for use behind a firewall with shared NFS home
directories. (Help wanted with better remote transports - the transport
mechanism is well-abstracted and extensible.)


For an incomplete list of applications that require dbus:

Please please please do some research and googling before you try to
pass off halfcocked misinformation to the list. This negatively impacts
you, this list, and the community. It also affects the potential
user/sysadmin googling for this same issue which comes upon your
misinformation and decides to act on it.

- Erich

I DID Google dbus and it came up with many but one was interesting to me because it was another user having trouble with SELinux and he found the same problem I have. He said the problem in dbus was fixed in FC6 but is again a problem in F7.
Hey, *I* googled that and told you about it.

That writer also said that the message was harmless, other than filling
the logs.  In addition, I said that I don't see the message more than a
few times in my normally operating system.

I'm pretty sure that whatever is causing your major problems, this isn't

Did you try my suggestion of relabeling and re-enabling SELinux?  Did it

Now. Due to the problem with dbus I can't use SELinux because it uses dbus and has a problem with that. So your wrong with thinking SELinux does not use dbus, It certainly does and that I can prove.

You were the one who did lead me to that Google page and thanks again. This lead to other Google finds that make me think I can turn SELinux back on and have a fix to apply when it causes problems that seem to be concurrent with a selinux upgrade.


	Karl F. Larsen, AKA K5DI
	Linux User

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