1rhgb_selinux(8) SELinux Policy rhgb rhgb_selinux(8)
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6 rhgb_selinux - Security Enhanced Linux Policy for the rhgb processes
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9 Security-Enhanced Linux secures the rhgb processes via flexible manda‐
10 tory access control.
11 The rhgb processes execute with the rhgb_t SELinux type. You can check
13 if you have these processes running by executing the ps command with
14 the -Z qualifier.
15 For example:
17 ps -eZ | grep rhgb_t
19
23 The rhgb_t SELinux type can be entered via the rhgb_exec_t file type.
24 The default entrypoint paths for the rhgb_t domain are the following:
26 /usr/bin/rhgb
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30 SELinux defines process types (domains) for each process running on the
31 system
32 You can see the context of a process using the -Z option to ps
34 Policy governs the access confined processes have to files. SELinux
36 rhgb policy is very flexible allowing users to setup their rhgb pro‐
37 cesses in as secure a method as possible.
38 The following process types are defined for rhgb:
40 rhgb_t
42 Note: semanage permissive -a rhgb_t can be used to make the process
44 type rhgb_t permissive. SELinux does not deny access to permissive
45 process types, but the AVC (SELinux denials) messages are still gener‐
46 ated.
47
50 SELinux policy is customizable based on least access required. rhgb
51 policy is extremely flexible and has several booleans that allow you to
52 manipulate the policy and run rhgb with the tightest access possible.
53 If you want to allow all daemons to write corefiles to /, you must turn
57 on the daemons_dump_core boolean. Disabled by default.
58 setsebool -P daemons_dump_core 1
60 If you want to enable cluster mode for daemons, you must turn on the
64 daemons_enable_cluster_mode boolean. Enabled by default.
65 setsebool -P daemons_enable_cluster_mode 1
67 If you want to allow all daemons to use tcp wrappers, you must turn on
71 the daemons_use_tcp_wrapper boolean. Disabled by default.
72 setsebool -P daemons_use_tcp_wrapper 1
74 If you want to allow all daemons the ability to read/write terminals,
78 you must turn on the daemons_use_tty boolean. Disabled by default.
79 setsebool -P daemons_use_tty 1
81 If you want to deny any process from ptracing or debugging any other
85 processes, you must turn on the deny_ptrace boolean. Enabled by
86 default.
87 setsebool -P deny_ptrace 1
89 If you want to allow any process to mmap any file on system with
93 attribute file_type, you must turn on the domain_can_mmap_files bool‐
94 ean. Enabled by default.
95 setsebool -P domain_can_mmap_files 1
97 If you want to allow all domains write to kmsg_device, while kernel is
101 executed with systemd.log_target=kmsg parameter, you must turn on the
102 domain_can_write_kmsg boolean. Disabled by default.
103 setsebool -P domain_can_write_kmsg 1
105 If you want to allow all domains to use other domains file descriptors,
109 you must turn on the domain_fd_use boolean. Enabled by default.
110 setsebool -P domain_fd_use 1
112 If you want to allow all domains to have the kernel load modules, you
116 must turn on the domain_kernel_load_modules boolean. Disabled by
117 default.
118 setsebool -P domain_kernel_load_modules 1
120 If you want to allow all domains to execute in fips_mode, you must turn
124 on the fips_mode boolean. Enabled by default.
125 setsebool -P fips_mode 1
127 If you want to enable reading of urandom for all domains, you must turn
131 on the global_ssp boolean. Disabled by default.
132 setsebool -P global_ssp 1
134 If you want to allow system to run with NIS, you must turn on the
138 nis_enabled boolean. Disabled by default.
139 setsebool -P nis_enabled 1
141 If you want to allow confined applications to use nscd shared memory,
145 you must turn on the nscd_use_shm boolean. Disabled by default.
146 setsebool -P nscd_use_shm 1
148
152 The SELinux process type rhgb_t can manage files labeled with the fol‐
153 lowing file types. The paths listed are the default paths for these
154 file types. Note the processes UID still need to have DAC permissions.
155 cluster_conf_t
157 /etc/cluster(/.*)?
159 cluster_var_lib_t
161 /var/lib/pcsd(/.*)?
163 /var/lib/cluster(/.*)?
164 /var/lib/openais(/.*)?
165 /var/lib/pengine(/.*)?
166 /var/lib/corosync(/.*)?
167 /usr/lib/heartbeat(/.*)?
168 /var/lib/heartbeat(/.*)?
169 /var/lib/pacemaker(/.*)?
170 cluster_var_run_t
172 /var/run/crm(/.*)?
174 /var/run/cman_.*
175 /var/run/rsctmp(/.*)?
176 /var/run/aisexec.*
177 /var/run/heartbeat(/.*)?
178 /var/run/corosync-qnetd(/.*)?
179 /var/run/corosync-qdevice(/.*)?
180 /var/run/cpglockd.pid
181 /var/run/corosync.pid
182 /var/run/rgmanager.pid
183 /var/run/cluster/rgmanager.sk
184 ramfs_t
186 rhgb_tmpfs_t
189 root_t
192 /sysroot/ostree/deploy/.*-atomic.*/deploy(/.*)?
194 /
195 /initrd
196
199 SELinux requires files to have an extended attribute to define the file
200 type.
201 You can see the context of a file using the -Z option to ls
203 Policy governs the access confined processes have to these files.
205 SELinux rhgb policy is very flexible allowing users to setup their rhgb
206 processes in as secure a method as possible.
207 STANDARD FILE CONTEXT
209 SELinux defines the file context types for the rhgb, if you wanted to
211 store files with these types in a diffent paths, you need to execute
212 the semanage command to sepecify alternate labeling and then use
213 restorecon to put the labels on disk.
214 semanage fcontext -a -t rhgb_tmpfs_t '/srv/myrhgb_content(/.*)?'
216 restorecon -R -v /srv/myrhgb_content
217 Note: SELinux often uses regular expressions to specify labels that
219 match multiple files.
220 The following file types are defined for rhgb:
222 rhgb_exec_t
226 - Set files with the rhgb_exec_t type, if you want to transition an
228 executable to the rhgb_t domain.
229 rhgb_tmpfs_t
233 - Set files with the rhgb_tmpfs_t type, if you want to store rhgb files
235 on a tmpfs file system.
236 Note: File context can be temporarily modified with the chcon command.
240 If you want to permanently change the file context you need to use the
241 semanage fcontext command. This will modify the SELinux labeling data‐
242 base. You will need to use restorecon to apply the labels.
243
246 semanage fcontext can also be used to manipulate default file context
247 mappings.
248 semanage permissive can also be used to manipulate whether or not a
250 process type is permissive.
251 semanage module can also be used to enable/disable/install/remove pol‐
253 icy modules.
254 semanage boolean can also be used to manipulate the booleans
256 system-config-selinux is a GUI tool available to customize SELinux pol‐
259 icy settings.
260
263 This manual page was auto-generated using sepolicy manpage .
264
267 selinux(8), rhgb(8), semanage(8), restorecon(8), chcon(1), sepolicy(8)
268 , setsebool(8)
269rhgb 19-04-25 rhgb_selinux(8)