1psad_selinux(8) SELinux Policy psad psad_selinux(8)
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6 psad_selinux - Security Enhanced Linux Policy for the psad processes
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9 Security-Enhanced Linux secures the psad processes via flexible manda‐
10 tory access control.
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12 The psad processes execute with the psad_t SELinux type. You can check
13 if you have these processes running by executing the ps command with
14 the -Z qualifier.
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16 For example:
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18 ps -eZ | grep psad_t
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23 The psad_t SELinux type can be entered via the psad_exec_t file type.
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25 The default entrypoint paths for the psad_t domain are the following:
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27 /usr/sbin/psad
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30 SELinux defines process types (domains) for each process running on the
31 system
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33 You can see the context of a process using the -Z option to ps
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35 Policy governs the access confined processes have to files. SELinux
36 psad policy is very flexible allowing users to setup their psad pro‐
37 cesses in as secure a method as possible.
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39 The following process types are defined for psad:
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41 psad_t
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43 Note: semanage permissive -a psad_t can be used to make the process
44 type psad_t permissive. SELinux does not deny access to permissive
45 process types, but the AVC (SELinux denials) messages are still gener‐
46 ated.
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50 SELinux policy is customizable based on least access required. psad
51 policy is extremely flexible and has several booleans that allow you to
52 manipulate the policy and run psad with the tightest access possible.
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56 If you want to allow all daemons to write corefiles to /, you must turn
57 on the allow_daemons_dump_core boolean. Disabled by default.
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59 setsebool -P allow_daemons_dump_core 1
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63 If you want to allow all daemons to use tcp wrappers, you must turn on
64 the allow_daemons_use_tcp_wrapper boolean. Disabled by default.
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66 setsebool -P allow_daemons_use_tcp_wrapper 1
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70 If you want to allow all daemons the ability to read/write terminals,
71 you must turn on the allow_daemons_use_tty boolean. Disabled by
72 default.
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74 setsebool -P allow_daemons_use_tty 1
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78 If you want to allow all domains to use other domains file descriptors,
79 you must turn on the allow_domain_fd_use boolean. Enabled by default.
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81 setsebool -P allow_domain_fd_use 1
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85 If you want to allow confined applications to run with kerberos, you
86 must turn on the allow_kerberos boolean. Enabled by default.
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88 setsebool -P allow_kerberos 1
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92 If you want to allow sysadm to debug or ptrace all processes, you must
93 turn on the allow_ptrace boolean. Disabled by default.
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95 setsebool -P allow_ptrace 1
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99 If you want to allow system to run with NIS, you must turn on the
100 allow_ypbind boolean. Disabled by default.
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102 setsebool -P allow_ypbind 1
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106 If you want to enable cluster mode for daemons, you must turn on the
107 daemons_enable_cluster_mode boolean. Disabled by default.
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109 setsebool -P daemons_enable_cluster_mode 1
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113 If you want to allow all domains to have the kernel load modules, you
114 must turn on the domain_kernel_load_modules boolean. Disabled by
115 default.
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117 setsebool -P domain_kernel_load_modules 1
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121 If you want to allow all domains to execute in fips_mode, you must turn
122 on the fips_mode boolean. Enabled by default.
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124 setsebool -P fips_mode 1
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128 If you want to enable reading of urandom for all domains, you must turn
129 on the global_ssp boolean. Disabled by default.
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131 setsebool -P global_ssp 1
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135 If you want to enable support for upstart as the init program, you must
136 turn on the init_upstart boolean. Enabled by default.
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138 setsebool -P init_upstart 1
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142 If you want to allow confined applications to use nscd shared memory,
143 you must turn on the nscd_use_shm boolean. Enabled by default.
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145 setsebool -P nscd_use_shm 1
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150 The SELinux process type psad_t can manage files labeled with the fol‐
151 lowing file types. The paths listed are the default paths for these
152 file types. Note the processes UID still need to have DAC permissions.
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154 cluster_conf_t
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156 /etc/cluster(/.*)?
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158 cluster_var_lib_t
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160 /var/lib(64)?/openais(/.*)?
161 /var/lib(64)?/pengine(/.*)?
162 /var/lib(64)?/corosync(/.*)?
163 /usr/lib(64)?/heartbeat(/.*)?
164 /var/lib(64)?/heartbeat(/.*)?
165 /var/lib(64)?/pacemaker(/.*)?
166 /var/lib/cluster(/.*)?
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168 cluster_var_run_t
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170 /var/run/crm(/.*)?
171 /var/run/cman_.*
172 /var/run/rsctmp(/.*)?
173 /var/run/aisexec.*
174 /var/run/heartbeat(/.*)?
175 /var/run/cpglockd.pid
176 /var/run/corosync.pid
177 /var/run/rgmanager.pid
178 /var/run/cluster/rgmanager.sk
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180 initrc_tmp_t
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183 mnt_t
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185 /mnt(/[^/]*)
186 /mnt(/[^/]*)?
187 /rhev(/[^/]*)?
188 /media(/[^/]*)
189 /media(/[^/]*)?
190 /etc/rhgb(/.*)?
191 /media/.hal-.*
192 /net
193 /afs
194 /rhev
195 /misc
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197 psad_tmp_t
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200 psad_var_log_t
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202 /var/log/psad(/.*)?
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204 psad_var_run_t
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206 /var/run/psad(/.*)?
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208 root_t
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210 /
211 /initrd
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213 tmp_t
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215 /tmp
216 /usr/tmp
217 /var/tmp
218 /tmp-inst
219 /var/tmp-inst
220 /var/tmp/vi.recover
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224 SELinux requires files to have an extended attribute to define the file
225 type.
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227 You can see the context of a file using the -Z option to ls
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229 Policy governs the access confined processes have to these files.
230 SELinux psad policy is very flexible allowing users to setup their psad
231 processes in as secure a method as possible.
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233 STANDARD FILE CONTEXT
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235 SELinux defines the file context types for the psad, if you wanted to
236 store files with these types in a diffent paths, you need to execute
237 the semanage command to sepecify alternate labeling and then use
238 restorecon to put the labels on disk.
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240 semanage fcontext -a -t psad_var_run_t '/srv/mypsad_content(/.*)?'
241 restorecon -R -v /srv/mypsad_content
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243 Note: SELinux often uses regular expressions to specify labels that
244 match multiple files.
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246 The following file types are defined for psad:
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250 psad_etc_t
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252 - Set files with the psad_etc_t type, if you want to store psad files
253 in the /etc directories.
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257 psad_exec_t
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259 - Set files with the psad_exec_t type, if you want to transition an
260 executable to the psad_t domain.
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264 psad_initrc_exec_t
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266 - Set files with the psad_initrc_exec_t type, if you want to transition
267 an executable to the psad_initrc_t domain.
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271 psad_tmp_t
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273 - Set files with the psad_tmp_t type, if you want to store psad tempo‐
274 rary files in the /tmp directories.
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278 psad_var_lib_t
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280 - Set files with the psad_var_lib_t type, if you want to store the psad
281 files under the /var/lib directory.
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285 psad_var_log_t
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287 - Set files with the psad_var_log_t type, if you want to treat the data
288 as psad var log data, usually stored under the /var/log directory.
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292 psad_var_run_t
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294 - Set files with the psad_var_run_t type, if you want to store the psad
295 files under the /run or /var/run directory.
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299 Note: File context can be temporarily modified with the chcon command.
300 If you want to permanently change the file context you need to use the
301 semanage fcontext command. This will modify the SELinux labeling data‐
302 base. You will need to use restorecon to apply the labels.
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306 semanage fcontext can also be used to manipulate default file context
307 mappings.
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309 semanage permissive can also be used to manipulate whether or not a
310 process type is permissive.
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312 semanage module can also be used to enable/disable/install/remove pol‐
313 icy modules.
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315 semanage boolean can also be used to manipulate the booleans
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318 system-config-selinux is a GUI tool available to customize SELinux pol‐
319 icy settings.
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323 This manual page was auto-generated using sepolicy manpage .
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327 selinux(8), psad(8), semanage(8), restorecon(8), chcon(1) , setse‐
328 bool(8)
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332psad 15-06-03 psad_selinux(8)