1unconfined_dbusd_selinux(S8E)Linux Policy unconfined_dbuunscdonfined_dbusd_selinux(8)
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6 unconfined_dbusd_selinux - Security Enhanced Linux Policy for the
7 unconfined_dbusd processes
8
10 Security-Enhanced Linux secures the unconfined_dbusd processes via
11 flexible mandatory access control.
12 The unconfined_dbusd processes execute with the unconfined_dbusd_t
14 SELinux type. You can check if you have these processes running by exe‐
15 cuting the ps command with the -Z qualifier.
16 For example:
18 ps -eZ | grep unconfined_dbusd_t
20
24 The unconfined_dbusd_t SELinux type can be entered via the dbusd_exec_t
25 file type.
26 The default entrypoint paths for the unconfined_dbusd_t domain are the
28 following:
29 /usr/bin/dbus-daemon(-1)?, /bin/dbus-daemon, /lib/dbus-1/dbus-daemon-
31 launch-helper, /usr/lib/dbus-1/dbus-daemon-launch-helper,
32 /usr/libexec/dbus-1/dbus-daemon-launch-helper
33
35 SELinux defines process types (domains) for each process running on the
36 system
37 You can see the context of a process using the -Z option to ps
39 Policy governs the access confined processes have to files. SELinux
41 unconfined_dbusd policy is very flexible allowing users to setup their
42 unconfined_dbusd processes in as secure a method as possible.
43 The following process types are defined for unconfined_dbusd:
45 unconfined_dbusd_t
47 Note: semanage permissive -a unconfined_dbusd_t can be used to make the
49 process type unconfined_dbusd_t permissive. SELinux does not deny
50 access to permissive process types, but the AVC (SELinux denials) mes‐
51 sages are still generated.
52
55 SELinux policy is customizable based on least access required. uncon‐
56 fined_dbusd policy is extremely flexible and has several booleans that
57 allow you to manipulate the policy and run unconfined_dbusd with the
58 tightest access possible.
59 If you want to allow users to resolve user passwd entries directly from
63 ldap rather then using a sssd server, you must turn on the authlo‐
64 gin_nsswitch_use_ldap boolean. Disabled by default.
65 setsebool -P authlogin_nsswitch_use_ldap 1
67 If you want to deny user domains applications to map a memory region as
71 both executable and writable, this is dangerous and the executable
72 should be reported in bugzilla, you must turn on the deny_execmem bool‐
73 ean. Enabled by default.
74 setsebool -P deny_execmem 1
76 If you want to deny any process from ptracing or debugging any other
80 processes, you must turn on the deny_ptrace boolean. Enabled by
81 default.
82 setsebool -P deny_ptrace 1
84 If you want to allow any process to mmap any file on system with
88 attribute file_type, you must turn on the domain_can_mmap_files bool‐
89 ean. Enabled by default.
90 setsebool -P domain_can_mmap_files 1
92 If you want to allow all domains write to kmsg_device, while kernel is
96 executed with systemd.log_target=kmsg parameter, you must turn on the
97 domain_can_write_kmsg boolean. Disabled by default.
98 setsebool -P domain_can_write_kmsg 1
100 If you want to allow all domains to use other domains file descriptors,
104 you must turn on the domain_fd_use boolean. Enabled by default.
105 setsebool -P domain_fd_use 1
107 If you want to allow all domains to have the kernel load modules, you
111 must turn on the domain_kernel_load_modules boolean. Disabled by
112 default.
113 setsebool -P domain_kernel_load_modules 1
115 If you want to allow all domains to execute in fips_mode, you must turn
119 on the fips_mode boolean. Enabled by default.
120 setsebool -P fips_mode 1
122 If you want to enable reading of urandom for all domains, you must turn
126 on the global_ssp boolean. Disabled by default.
127 setsebool -P global_ssp 1
129 If you want to allow confined applications to run with kerberos, you
133 must turn on the kerberos_enabled boolean. Enabled by default.
134 setsebool -P kerberos_enabled 1
136 If you want to control the ability to mmap a low area of the address
140 space, as configured by /proc/sys/vm/mmap_min_addr, you must turn on
141 the mmap_low_allowed boolean. Disabled by default.
142 setsebool -P mmap_low_allowed 1
144 If you want to allow system to run with NIS, you must turn on the
148 nis_enabled boolean. Disabled by default.
149 setsebool -P nis_enabled 1
151 If you want to allow confined applications to use nscd shared memory,
155 you must turn on the nscd_use_shm boolean. Disabled by default.
156 setsebool -P nscd_use_shm 1
158 If you want to disable kernel module loading, you must turn on the
162 secure_mode_insmod boolean. Enabled by default.
163 setsebool -P secure_mode_insmod 1
165 If you want to boolean to determine whether the system permits loading
169 policy, setting enforcing mode, and changing boolean values. Set this
170 to true and you have to reboot to set it back, you must turn on the
171 secure_mode_policyload boolean. Enabled by default.
172 setsebool -P secure_mode_policyload 1
174 If you want to allow unconfined executables to make their heap memory
178 executable. Doing this is a really bad idea. Probably indicates a
179 badly coded executable, but could indicate an attack. This executable
180 should be reported in bugzilla, you must turn on the selin‐
181 uxuser_execheap boolean. Disabled by default.
182 setsebool -P selinuxuser_execheap 1
184 If you want to allow all unconfined executables to use libraries
188 requiring text relocation that are not labeled textrel_shlib_t, you
189 must turn on the selinuxuser_execmod boolean. Enabled by default.
190 setsebool -P selinuxuser_execmod 1
192 If you want to allow unconfined executables to make their stack exe‐
196 cutable. This should never, ever be necessary. Probably indicates a
197 badly coded executable, but could indicate an attack. This executable
198 should be reported in bugzilla, you must turn on the selinuxuser_exec‐
199 stack boolean. Enabled by default.
200 setsebool -P selinuxuser_execstack 1
202 If you want to support ecryptfs home directories, you must turn on the
206 use_ecryptfs_home_dirs boolean. Disabled by default.
207 setsebool -P use_ecryptfs_home_dirs 1
209 If you want to support fusefs home directories, you must turn on the
213 use_fusefs_home_dirs boolean. Disabled by default.
214 setsebool -P use_fusefs_home_dirs 1
216 If you want to support NFS home directories, you must turn on the
220 use_nfs_home_dirs boolean. Disabled by default.
221 setsebool -P use_nfs_home_dirs 1
223 If you want to support SAMBA home directories, you must turn on the
227 use_samba_home_dirs boolean. Disabled by default.
228 setsebool -P use_samba_home_dirs 1
230 If you want to support X userspace object manager, you must turn on the
234 xserver_object_manager boolean. Enabled by default.
235 setsebool -P xserver_object_manager 1
237
241 The SELinux process type unconfined_dbusd_t can manage files labeled
242 with the following file types. The paths listed are the default paths
243 for these file types. Note the processes UID still need to have DAC
244 permissions.
245 file_type
247 all files on the system
249
252 semanage fcontext can also be used to manipulate default file context
253 mappings.
254 semanage permissive can also be used to manipulate whether or not a
256 process type is permissive.
257 semanage module can also be used to enable/disable/install/remove pol‐
259 icy modules.
260 semanage boolean can also be used to manipulate the booleans
262 system-config-selinux is a GUI tool available to customize SELinux pol‐
265 icy settings.
266
269 This manual page was auto-generated using sepolicy manpage .
270
273 selinux(8), unconfined_dbusd(8), semanage(8), restorecon(8), chcon(1),
274 sepolicy(8) , setsebool(8)
275unconfined_dbusd 19-04-25 unconfined_dbusd_selinux(8)