1ipmievd_helper_selinux(8)SELinux Policy ipmievd_helperipmievd_helper_selinux(8)
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6 ipmievd_helper_selinux - Security Enhanced Linux Policy for the ip‐
7 mievd_helper processes
8
10 Security-Enhanced Linux secures the ipmievd_helper processes via flexi‐
11 ble mandatory access control.
12 The ipmievd_helper processes execute with the ipmievd_helper_t SELinux
14 type. You can check if you have these processes running by executing
15 the ps command with the -Z qualifier.
16 For example:
18 ps -eZ | grep ipmievd_helper_t
20
24 The ipmievd_helper_t SELinux type can be entered via the ip‐
25 mievd_helper_exec_t file type.
26 The default entrypoint paths for the ipmievd_helper_t domain are the
28 following:
29 /usr/libexec/openipmi-helper
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 ipmievd_helper policy is very flexible allowing users to setup their
40 ipmievd_helper processes in as secure a method as possible.
41 The following process types are defined for ipmievd_helper:
43 ipmievd_helper_t
45 Note: semanage permissive -a ipmievd_helper_t can be used to make the
47 process type ipmievd_helper_t permissive. SELinux does not deny access
48 to permissive process types, but the AVC (SELinux denials) messages are
49 still generated.
50
53 SELinux policy is customizable based on least access required. ip‐
54 mievd_helper policy is extremely flexible and has several booleans that
55 allow you to manipulate the policy and run ipmievd_helper with the
56 tightest access possible.
57 If you want to dontaudit all daemons scheduling requests (setsched,
61 sys_nice), you must turn on the daemons_dontaudit_scheduling boolean.
62 Enabled by default.
63 setsebool -P daemons_dontaudit_scheduling 1
65 If you want to deny user domains applications to map a memory region as
69 both executable and writable, this is dangerous and the executable
70 should be reported in bugzilla, you must turn on the deny_execmem bool‐
71 ean. Disabled by default.
72 setsebool -P deny_execmem 1
74 If you want to control the ability to mmap a low area of the address
78 space, as configured by /proc/sys/vm/mmap_min_addr, you must turn on
79 the mmap_low_allowed boolean. Disabled by default.
80 setsebool -P mmap_low_allowed 1
82 If you want to disable kernel module loading, you must turn on the se‐
86 cure_mode_insmod boolean. Disabled by default.
87 setsebool -P secure_mode_insmod 1
89 If you want to allow unconfined executables to make their heap memory
93 executable. Doing this is a really bad idea. Probably indicates a
94 badly coded executable, but could indicate an attack. This executable
95 should be reported in bugzilla, you must turn on the selinuxuser_ex‐
96 echeap boolean. Disabled by default.
97 setsebool -P selinuxuser_execheap 1
99 If you want to allow unconfined executables to make their stack exe‐
103 cutable. This should never, ever be necessary. Probably indicates a
104 badly coded executable, but could indicate an attack. This executable
105 should be reported in bugzilla, you must turn on the selinuxuser_exec‐
106 stack boolean. Enabled by default.
107 setsebool -P selinuxuser_execstack 1
109
113 The SELinux process type ipmievd_helper_t can manage files labeled with
114 the following file types. The paths listed are the default paths for
115 these file types. Note the processes UID still need to have DAC per‐
116 missions.
117 file_type
119 all files on the system
121
124 SELinux requires files to have an extended attribute to define the file
125 type.
126 You can see the context of a file using the -Z option to ls
128 Policy governs the access confined processes have to these files.
130 SELinux ipmievd_helper policy is very flexible allowing users to setup
131 their ipmievd_helper processes in as secure a method as possible.
132 STANDARD FILE CONTEXT
134 SELinux defines the file context types for the ipmievd_helper, if you
136 wanted to store files with these types in a different paths, you need
137 to execute the semanage command to specify alternate labeling and then
138 use restorecon to put the labels on disk.
139 semanage fcontext -a -t ipmievd_helper_exec_t '/srv/ipmievd_helper/con‐
141 tent(/.*)?'
142 restorecon -R -v /srv/myipmievd_helper_content
143 Note: SELinux often uses regular expressions to specify labels that
145 match multiple files.
146 The following file types are defined for ipmievd_helper:
148 ipmievd_helper_exec_t
152 - Set files with the ipmievd_helper_exec_t type, if you want to transi‐
154 tion an executable to the ipmievd_helper_t domain.
155 Note: File context can be temporarily modified with the chcon command.
159 If you want to permanently change the file context you need to use the
160 semanage fcontext command. This will modify the SELinux labeling data‐
161 base. You will need to use restorecon to apply the labels.
162
165 semanage fcontext can also be used to manipulate default file context
166 mappings.
167 semanage permissive can also be used to manipulate whether or not a
169 process type is permissive.
170 semanage module can also be used to enable/disable/install/remove pol‐
172 icy modules.
173 semanage boolean can also be used to manipulate the booleans
175 system-config-selinux is a GUI tool available to customize SELinux pol‐
178 icy settings.
179
182 This manual page was auto-generated using sepolicy manpage .
183
186 selinux(8), ipmievd_helper(8), semanage(8), restorecon(8), chcon(1),
187 sepolicy(8), setsebool(8)
188ipmievd_helper 23-12-15 ipmievd_helper_selinux(8)