1authconfig_selinux(8) SELinux Policy authconfig authconfig_selinux(8)
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6 authconfig_selinux - Security Enhanced Linux Policy for the authconfig
7 processes
8
10 Security-Enhanced Linux secures the authconfig processes via flexible
11 mandatory access control.
12 The authconfig processes execute with the authconfig_t SELinux type.
14 You can check if you have these processes running by executing the ps
15 command with the -Z qualifier.
16 For example:
18 ps -eZ | grep authconfig_t
20
24 The authconfig_t SELinux type can be entered via the authconfig_exec_t
25 file type.
26 The default entrypoint paths for the authconfig_t domain are the fol‐
28 lowing:
29 /usr/share/authconfig/authconfig.py
31
33 SELinux defines process types (domains) for each process running on the
34 system
35 You can see the context of a process using the -Z option to ps
37 Policy governs the access confined processes have to files. SELinux
39 authconfig policy is very flexible allowing users to setup their auth‐
40 config processes in as secure a method as possible.
41 The following process types are defined for authconfig:
43 authconfig_t
45 Note: semanage permissive -a authconfig_t can be used to make the
47 process type authconfig_t permissive. SELinux does not deny access to
48 permissive process types, but the AVC (SELinux denials) messages are
49 still generated.
50
53 SELinux policy is customizable based on least access required. auth‐
54 config policy is extremely flexible and has several booleans that allow
55 you to manipulate the policy and run authconfig with the tightest
56 access possible.
57 If you want to deny user domains applications to map a memory region as
61 both executable and writable, this is dangerous and the executable
62 should be reported in bugzilla, you must turn on the deny_execmem bool‐
63 ean. Enabled by default.
64 setsebool -P deny_execmem 1
66 If you want to deny any process from ptracing or debugging any other
70 processes, you must turn on the deny_ptrace boolean. Enabled by
71 default.
72 setsebool -P deny_ptrace 1
74 If you want to allow any process to mmap any file on system with
78 attribute file_type, you must turn on the domain_can_mmap_files bool‐
79 ean. Enabled by default.
80 setsebool -P domain_can_mmap_files 1
82 If you want to allow all domains write to kmsg_device, while kernel is
86 executed with systemd.log_target=kmsg parameter, you must turn on the
87 domain_can_write_kmsg boolean. Disabled by default.
88 setsebool -P domain_can_write_kmsg 1
90 If you want to allow all domains to use other domains file descriptors,
94 you must turn on the domain_fd_use boolean. Enabled by default.
95 setsebool -P domain_fd_use 1
97 If you want to allow all domains to have the kernel load modules, you
101 must turn on the domain_kernel_load_modules boolean. Disabled by
102 default.
103 setsebool -P domain_kernel_load_modules 1
105 If you want to allow all domains to execute in fips_mode, you must turn
109 on the fips_mode boolean. Enabled by default.
110 setsebool -P fips_mode 1
112 If you want to enable reading of urandom for all domains, you must turn
116 on the global_ssp boolean. Disabled by default.
117 setsebool -P global_ssp 1
119 If you want to control the ability to mmap a low area of the address
123 space, as configured by /proc/sys/vm/mmap_min_addr, you must turn on
124 the mmap_low_allowed boolean. Disabled by default.
125 setsebool -P mmap_low_allowed 1
127 If you want to disable kernel module loading, you must turn on the
131 secure_mode_insmod boolean. Enabled by default.
132 setsebool -P secure_mode_insmod 1
134 If you want to boolean to determine whether the system permits loading
138 policy, setting enforcing mode, and changing boolean values. Set this
139 to true and you have to reboot to set it back, you must turn on the
140 secure_mode_policyload boolean. Enabled by default.
141 setsebool -P secure_mode_policyload 1
143 If you want to allow unconfined executables to make their heap memory
147 executable. Doing this is a really bad idea. Probably indicates a
148 badly coded executable, but could indicate an attack. This executable
149 should be reported in bugzilla, you must turn on the selin‐
150 uxuser_execheap boolean. Disabled by default.
151 setsebool -P selinuxuser_execheap 1
153 If you want to allow all unconfined executables to use libraries
157 requiring text relocation that are not labeled textrel_shlib_t, you
158 must turn on the selinuxuser_execmod boolean. Enabled by default.
159 setsebool -P selinuxuser_execmod 1
161 If you want to allow unconfined executables to make their stack exe‐
165 cutable. This should never, ever be necessary. Probably indicates a
166 badly coded executable, but could indicate an attack. This executable
167 should be reported in bugzilla, you must turn on the selinuxuser_exec‐
168 stack boolean. Enabled by default.
169 setsebool -P selinuxuser_execstack 1
171 If you want to support X userspace object manager, you must turn on the
175 xserver_object_manager boolean. Enabled by default.
176 setsebool -P xserver_object_manager 1
178
182 The SELinux process type authconfig_t can manage files labeled with the
183 following file types. The paths listed are the default paths for these
184 file types. Note the processes UID still need to have DAC permissions.
185 file_type
187 all files on the system
189
192 SELinux requires files to have an extended attribute to define the file
193 type.
194 You can see the context of a file using the -Z option to ls
196 Policy governs the access confined processes have to these files.
198 SELinux authconfig policy is very flexible allowing users to setup
199 their authconfig processes in as secure a method as possible.
200 STANDARD FILE CONTEXT
202 SELinux defines the file context types for the authconfig, if you
204 wanted to store files with these types in a diffent paths, you need to
205 execute the semanage command to sepecify alternate labeling and then
206 use restorecon to put the labels on disk.
207 semanage fcontext -a -t authconfig_var_lib_t '/srv/myauthconfig_con‐
209 tent(/.*)?'
210 restorecon -R -v /srv/myauthconfig_content
211 Note: SELinux often uses regular expressions to specify labels that
213 match multiple files.
214 The following file types are defined for authconfig:
216 authconfig_exec_t
220 - Set files with the authconfig_exec_t type, if you want to transition
222 an executable to the authconfig_t domain.
223 authconfig_var_lib_t
227 - Set files with the authconfig_var_lib_t type, if you want to store
229 the authconfig files under the /var/lib directory.
230 Note: File context can be temporarily modified with the chcon command.
234 If you want to permanently change the file context you need to use the
235 semanage fcontext command. This will modify the SELinux labeling data‐
236 base. You will need to use restorecon to apply the labels.
237
240 semanage fcontext can also be used to manipulate default file context
241 mappings.
242 semanage permissive can also be used to manipulate whether or not a
244 process type is permissive.
245 semanage module can also be used to enable/disable/install/remove pol‐
247 icy modules.
248 semanage boolean can also be used to manipulate the booleans
250 system-config-selinux is a GUI tool available to customize SELinux pol‐
253 icy settings.
254
257 This manual page was auto-generated using sepolicy manpage .
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261 selinux(8), authconfig(8), semanage(8), restorecon(8), chcon(1), sepol‐
262 icy(8) , setsebool(8)
263authconfig 19-04-25 authconfig_selinux(8)