1vhostmd_selinux(8) SELinux Policy vhostmd vhostmd_selinux(8)
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6 vhostmd_selinux - Security Enhanced Linux Policy for the vhostmd pro‐
7 cesses
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10 Security-Enhanced Linux secures the vhostmd processes via flexible
11 mandatory access control.
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13 The vhostmd processes execute with the vhostmd_t SELinux type. You can
14 check if you have these processes running by executing the ps command
15 with the -Z qualifier.
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17 For example:
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19 ps -eZ | grep vhostmd_t
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24 The vhostmd_t SELinux type can be entered via the vhostmd_exec_t file
25 type.
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27 The default entrypoint paths for the vhostmd_t domain are the follow‐
28 ing:
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30 /usr/sbin/vhostmd
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33 SELinux defines process types (domains) for each process running on the
34 system
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36 You can see the context of a process using the -Z option to ps
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38 Policy governs the access confined processes have to files. SELinux
39 vhostmd policy is very flexible allowing users to setup their vhostmd
40 processes in as secure a method as possible.
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42 The following process types are defined for vhostmd:
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44 vhostmd_t
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46 Note: semanage permissive -a vhostmd_t can be used to make the process
47 type vhostmd_t permissive. SELinux does not deny access to permissive
48 process types, but the AVC (SELinux denials) messages are still gener‐
49 ated.
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53 SELinux policy is customizable based on least access required. vhostmd
54 policy is extremely flexible and has several booleans that allow you to
55 manipulate the policy and run vhostmd with the tightest access possi‐
56 ble.
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60 If you want to allow users to resolve user passwd entries directly from
61 ldap rather then using a sssd server, you must turn on the authlo‐
62 gin_nsswitch_use_ldap boolean. Disabled by default.
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64 setsebool -P authlogin_nsswitch_use_ldap 1
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68 If you want to allow all daemons to write corefiles to /, you must turn
69 on the daemons_dump_core boolean. Disabled by default.
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71 setsebool -P daemons_dump_core 1
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75 If you want to enable cluster mode for daemons, you must turn on the
76 daemons_enable_cluster_mode boolean. Enabled by default.
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78 setsebool -P daemons_enable_cluster_mode 1
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82 If you want to allow all daemons to use tcp wrappers, you must turn on
83 the daemons_use_tcp_wrapper boolean. Disabled by default.
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85 setsebool -P daemons_use_tcp_wrapper 1
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89 If you want to allow all daemons the ability to read/write terminals,
90 you must turn on the daemons_use_tty boolean. Disabled by default.
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92 setsebool -P daemons_use_tty 1
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96 If you want to deny any process from ptracing or debugging any other
97 processes, you must turn on the deny_ptrace boolean. Enabled by
98 default.
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100 setsebool -P deny_ptrace 1
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104 If you want to allow any process to mmap any file on system with
105 attribute file_type, you must turn on the domain_can_mmap_files bool‐
106 ean. Enabled by default.
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108 setsebool -P domain_can_mmap_files 1
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112 If you want to allow all domains write to kmsg_device, while kernel is
113 executed with systemd.log_target=kmsg parameter, you must turn on the
114 domain_can_write_kmsg boolean. Disabled by default.
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116 setsebool -P domain_can_write_kmsg 1
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120 If you want to allow all domains to use other domains file descriptors,
121 you must turn on the domain_fd_use boolean. Enabled by default.
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123 setsebool -P domain_fd_use 1
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127 If you want to allow all domains to have the kernel load modules, you
128 must turn on the domain_kernel_load_modules boolean. Disabled by
129 default.
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131 setsebool -P domain_kernel_load_modules 1
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135 If you want to allow all domains to execute in fips_mode, you must turn
136 on the fips_mode boolean. Enabled by default.
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138 setsebool -P fips_mode 1
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142 If you want to enable reading of urandom for all domains, you must turn
143 on the global_ssp boolean. Disabled by default.
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145 setsebool -P global_ssp 1
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149 If you want to allow confined applications to run with kerberos, you
150 must turn on the kerberos_enabled boolean. Enabled by default.
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152 setsebool -P kerberos_enabled 1
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156 If you want to allow system to run with NIS, you must turn on the
157 nis_enabled boolean. Disabled by default.
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159 setsebool -P nis_enabled 1
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163 If you want to allow confined applications to use nscd shared memory,
164 you must turn on the nscd_use_shm boolean. Disabled by default.
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166 setsebool -P nscd_use_shm 1
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171 The SELinux process type vhostmd_t can manage files labeled with the
172 following file types. The paths listed are the default paths for these
173 file types. Note the processes UID still need to have DAC permissions.
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175 cluster_conf_t
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177 /etc/cluster(/.*)?
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179 cluster_var_lib_t
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181 /var/lib/pcsd(/.*)?
182 /var/lib/cluster(/.*)?
183 /var/lib/openais(/.*)?
184 /var/lib/pengine(/.*)?
185 /var/lib/corosync(/.*)?
186 /usr/lib/heartbeat(/.*)?
187 /var/lib/heartbeat(/.*)?
188 /var/lib/pacemaker(/.*)?
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190 cluster_var_run_t
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192 /var/run/crm(/.*)?
193 /var/run/cman_.*
194 /var/run/rsctmp(/.*)?
195 /var/run/aisexec.*
196 /var/run/heartbeat(/.*)?
197 /var/run/corosync-qnetd(/.*)?
198 /var/run/corosync-qdevice(/.*)?
199 /var/run/cpglockd.pid
200 /var/run/corosync.pid
201 /var/run/rgmanager.pid
202 /var/run/cluster/rgmanager.sk
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204 root_t
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206 /sysroot/ostree/deploy/.*-atomic.*/deploy(/.*)?
207 /
208 /initrd
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210 svirt_image_t
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213 vhostmd_tmpfs_t
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216 vhostmd_var_run_t
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218 /var/run/vhostmd.*
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220 virt_content_t
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222 /var/lib/vdsm(/.*)?
223 /var/lib/oz/isos(/.*)?
224 /var/lib/libvirt/boot(/.*)?
225 /var/lib/libvirt/isos(/.*)?
226 /home/[^/]+/VirtualMachines/isos(/.*)?
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230 SELinux requires files to have an extended attribute to define the file
231 type.
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233 You can see the context of a file using the -Z option to ls
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235 Policy governs the access confined processes have to these files.
236 SELinux vhostmd policy is very flexible allowing users to setup their
237 vhostmd processes in as secure a method as possible.
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239 STANDARD FILE CONTEXT
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241 SELinux defines the file context types for the vhostmd, if you wanted
242 to store files with these types in a diffent paths, you need to execute
243 the semanage command to sepecify alternate labeling and then use
244 restorecon to put the labels on disk.
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246 semanage fcontext -a -t vhostmd_var_run_t '/srv/myvhostmd_con‐
247 tent(/.*)?'
248 restorecon -R -v /srv/myvhostmd_content
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250 Note: SELinux often uses regular expressions to specify labels that
251 match multiple files.
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253 The following file types are defined for vhostmd:
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257 vhostmd_exec_t
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259 - Set files with the vhostmd_exec_t type, if you want to transition an
260 executable to the vhostmd_t domain.
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264 vhostmd_initrc_exec_t
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266 - Set files with the vhostmd_initrc_exec_t type, if you want to transi‐
267 tion an executable to the vhostmd_initrc_t domain.
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271 vhostmd_tmpfs_t
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273 - Set files with the vhostmd_tmpfs_t type, if you want to store vhostmd
274 files on a tmpfs file system.
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278 vhostmd_var_run_t
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280 - Set files with the vhostmd_var_run_t type, if you want to store the
281 vhostmd files under the /run or /var/run directory.
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285 Note: File context can be temporarily modified with the chcon command.
286 If you want to permanently change the file context you need to use the
287 semanage fcontext command. This will modify the SELinux labeling data‐
288 base. You will need to use restorecon to apply the labels.
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292 semanage fcontext can also be used to manipulate default file context
293 mappings.
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295 semanage permissive can also be used to manipulate whether or not a
296 process type is permissive.
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298 semanage module can also be used to enable/disable/install/remove pol‐
299 icy modules.
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301 semanage boolean can also be used to manipulate the booleans
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304 system-config-selinux is a GUI tool available to customize SELinux pol‐
305 icy settings.
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309 This manual page was auto-generated using sepolicy manpage .
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313 selinux(8), vhostmd(8), semanage(8), restorecon(8), chcon(1), sepol‐
314 icy(8) , setsebool(8)
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318vhostmd 19-04-25 vhostmd_selinux(8)