1syslogd_selinux(8) SELinux Policy syslogd syslogd_selinux(8)
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6 syslogd_selinux - Security Enhanced Linux Policy for the syslogd pro‐
7 cesses
8
10 Security-Enhanced Linux secures the syslogd processes via flexible
11 mandatory access control.
12 The syslogd processes execute with the syslogd_t SELinux type. You can
14 check if you have these processes running by executing the ps command
15 with the -Z qualifier.
16 For example:
18 ps -eZ | grep syslogd_t
20
24 The syslogd_t SELinux type can be entered via the syslogd_exec_t file
25 type.
26 The default entrypoint paths for the syslogd_t domain are the follow‐
28 ing:
29 /sbin/syslogd, /sbin/minilogd, /sbin/rsyslogd, /sbin/syslog-ng,
31 /usr/sbin/metalog, /usr/sbin/syslogd, /usr/sbin/minilogd,
32 /usr/sbin/rsyslogd, /usr/sbin/syslog-ng, /usr/lib/systemd/systemd-jour‐
33 nald, /usr/lib/systemd/systemd-kmsg-syslogd
34
36 SELinux defines process types (domains) for each process running on the
37 system
38 You can see the context of a process using the -Z option to ps
40 Policy governs the access confined processes have to files. SELinux
42 syslogd policy is very flexible allowing users to setup their syslogd
43 processes in as secure a method as possible.
44 The following process types are defined for syslogd:
46 syslogd_t
48 Note: semanage permissive -a syslogd_t can be used to make the process
50 type syslogd_t permissive. SELinux does not deny access to permissive
51 process types, but the AVC (SELinux denials) messages are still gener‐
52 ated.
53
56 SELinux policy is customizable based on least access required. syslogd
57 policy is extremely flexible and has several booleans that allow you to
58 manipulate the policy and run syslogd with the tightest access possi‐
59 ble.
60 If you want to allow users to resolve user passwd entries directly from
64 ldap rather then using a sssd server, you must turn on the authlo‐
65 gin_nsswitch_use_ldap boolean. Disabled by default.
66 setsebool -P authlogin_nsswitch_use_ldap 1
68 If you want to allow all domains to execute in fips_mode, you must turn
72 on the fips_mode boolean. Enabled by default.
73 setsebool -P fips_mode 1
75 If you want to allow confined applications to run with kerberos, you
79 must turn on the kerberos_enabled boolean. Enabled by default.
80 setsebool -P kerberos_enabled 1
82 If you want to allow syslogd daemon to send mail, you must turn on the
86 logging_syslogd_can_sendmail boolean. Disabled by default.
87 setsebool -P logging_syslogd_can_sendmail 1
89 If you want to allow syslogd the ability to call nagios plugins. It is
93 turned on by omprog rsyslog plugin, you must turn on the logging_sys‐
94 logd_run_nagios_plugins boolean. Disabled by default.
95 setsebool -P logging_syslogd_run_nagios_plugins 1
97 If you want to allow syslogd the ability to read/write terminals, you
101 must turn on the logging_syslogd_use_tty boolean. Enabled by default.
102 setsebool -P logging_syslogd_use_tty 1
104 If you want to allow system to run with NIS, you must turn on the
108 nis_enabled boolean. Disabled by default.
109 setsebool -P nis_enabled 1
111 If you want to allow confined applications to use nscd shared memory,
115 you must turn on the nscd_use_shm boolean. Disabled by default.
116 setsebool -P nscd_use_shm 1
118
122 SELinux defines port types to represent TCP and UDP ports.
123 You can see the types associated with a port by using the following
125 command:
126 semanage port -l
128 Policy governs the access confined processes have to these ports.
131 SELinux syslogd policy is very flexible allowing users to setup their
132 syslogd processes in as secure a method as possible.
133 The following port types are defined for syslogd:
135 syslog_tls_port_t
138 Default Defined Ports:
142 tcp 6514,10514
143 udp 6514,10514
144 syslogd_port_t
147 Default Defined Ports:
151 tcp 601,20514
152 udp 514,601,20514
153
155 The SELinux process type syslogd_t can manage files labeled with the
156 following file types. The paths listed are the default paths for these
157 file types. Note the processes UID still need to have DAC permissions.
158 cert_t
160 /etc/(letsencrypt|certbot)/(live|archive)(/.*)?
162 /etc/pki(/.*)?
163 /etc/ssl(/.*)?
164 /etc/ipa/nssdb(/.*)?
165 /etc/httpd/alias(/.*)?
166 /etc/docker/certs.d(/.*)?
167 /usr/share/ssl/certs(/.*)?
168 /var/lib/letsencrypt(/.*)?
169 /usr/share/ssl/private(/.*)?
170 /var/named/chroot/etc/pki(/.*)?
171 /usr/share/ca-certificates(/.*)?
172 /usr/share/pki/ca-certificates(/.*)?
173 /usr/share/pki/ca-trust-source(/.*)?
174 cluster_conf_t
176 /etc/cluster(/.*)?
178 cluster_var_lib_t
180 /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(/.*)?
189 cluster_var_run_t
191 /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/corosync.pid
200 /var/run/cpglockd.pid
201 /var/run/rgmanager.pid
202 /var/run/cluster/rgmanager.sk
203 cron_log_t
205 /var/log/cron.*
207 /var/log/rpmpkgs.*
208 innd_log_t
210 /var/log/news(/.*)?
212 krb5_host_rcache_t
214 /var/cache/krb5rcache(/.*)?
216 /var/tmp/nfs_0
217 /var/tmp/DNS_25
218 /var/tmp/host_0
219 /var/tmp/imap_0
220 /var/tmp/HTTP_23
221 /var/tmp/HTTP_48
222 /var/tmp/ldap_55
223 /var/tmp/ldap_487
224 /var/tmp/ldapmap1_0
225 logfile
227 all log files
229 plymouthd_var_log_t
231 /var/log/boot.log.*
233 root_t
235 /sysroot/ostree/deploy/.*-atomic/deploy(/.*)?
237 /
238 /initrd
239 security_t
241 /selinux
243 syslogd_tmp_t
245 syslogd_tmpfs_t
248 syslogd_var_lib_t
251 /var/lib/r?syslog(/.*)?
253 /var/lib/syslog-ng(/.*)?
254 /var/lib/syslog-ng.persist
255 /var/lib/misc/syslog-ng.persist-?
256 syslogd_var_run_t
258 /var/run/log(/.*)?
260 /var/run/syslog-ng.ctl
261 /var/run/syslog-ng(/.*)?
262 /var/run/systemd/journal(/.*)?
263 /var/run/metalog.pid
264 /var/run/syslogd.pid
265 systemd_coredump_tmpfs_t
267 var_log_t
270 /var/log/.*
272 /nsr/logs(/.*)?
273 /var/webmin(/.*)?
274 /var/log/secure[^/]*
275 /opt/zimbra/log(/.*)?
276 /var/log/maillog[^/]*
277 /var/log/spooler[^/]*
278 /var/log/messages[^/]*
279 /usr/centreon/log(/.*)?
280 /var/spool/rsyslog(/.*)?
281 /var/axfrdns/log/main(/.*)?
282 /var/spool/bacula/log(/.*)?
283 /var/tinydns/log/main(/.*)?
284 /var/dnscache/log/main(/.*)?
285 /var/stockmaniac/templates_cache(/.*)?
286 /opt/Symantec/scspagent/IDS/system(/.*)?
287 /var/log
288 /var/log/dmesg
289 /var/log/syslog
290 /var/named/chroot/var/log
291
294 SELinux requires files to have an extended attribute to define the file
295 type.
296 You can see the context of a file using the -Z option to ls
298 Policy governs the access confined processes have to these files.
300 SELinux syslogd policy is very flexible allowing users to setup their
301 syslogd processes in as secure a method as possible.
302 EQUIVALENCE DIRECTORIES
304 syslogd policy stores data with multiple different file context types
307 under the /var/lib/syslog-ng directory. If you would like to store the
308 data in a different directory you can use the semanage command to cre‐
309 ate an equivalence mapping. If you wanted to store this data under the
310 /srv dirctory you would execute the following command:
311 semanage fcontext -a -e /var/lib/syslog-ng /srv/syslog-ng
313 restorecon -R -v /srv/syslog-ng
314 syslogd policy stores data with multiple different file context types
316 under the /var/run/syslog-ng directory. If you would like to store the
317 data in a different directory you can use the semanage command to cre‐
318 ate an equivalence mapping. If you wanted to store this data under the
319 /srv dirctory you would execute the following command:
320 semanage fcontext -a -e /var/run/syslog-ng /srv/syslog-ng
322 restorecon -R -v /srv/syslog-ng
323 STANDARD FILE CONTEXT
325 SELinux defines the file context types for the syslogd, if you wanted
327 to store files with these types in a diffent paths, you need to execute
328 the semanage command to sepecify alternate labeling and then use
329 restorecon to put the labels on disk.
330 semanage fcontext -a -t syslogd_unit_file_t '/srv/mysyslogd_con‐
332 tent(/.*)?'
333 restorecon -R -v /srv/mysyslogd_content
334 Note: SELinux often uses regular expressions to specify labels that
336 match multiple files.
337 The following file types are defined for syslogd:
339 syslogd_exec_t
343 - Set files with the syslogd_exec_t type, if you want to transition an
345 executable to the syslogd_t domain.
346 Paths:
349 /sbin/syslogd, /sbin/minilogd, /sbin/rsyslogd, /sbin/syslog-ng,
350 /usr/sbin/metalog, /usr/sbin/syslogd, /usr/sbin/minilogd,
351 /usr/sbin/rsyslogd, /usr/sbin/syslog-ng, /usr/lib/systemd/systemd-
352 journald, /usr/lib/systemd/systemd-kmsg-syslogd
353 syslogd_initrc_exec_t
356 - Set files with the syslogd_initrc_exec_t type, if you want to transi‐
358 tion an executable to the syslogd_initrc_t domain.
359 syslogd_tmp_t
363 - Set files with the syslogd_tmp_t type, if you want to store syslogd
365 temporary files in the /tmp directories.
366 syslogd_tmpfs_t
370 - Set files with the syslogd_tmpfs_t type, if you want to store syslogd
372 files on a tmpfs file system.
373 syslogd_unit_file_t
377 - Set files with the syslogd_unit_file_t type, if you want to treat the
379 files as syslogd unit content.
380 syslogd_var_lib_t
384 - Set files with the syslogd_var_lib_t type, if you want to store the
386 syslogd files under the /var/lib directory.
387 Paths:
390 /var/lib/r?syslog(/.*)?, /var/lib/syslog-ng(/.*)?, /var/lib/sys‐
391 log-ng.persist, /var/lib/misc/syslog-ng.persist-?
392 syslogd_var_run_t
395 - Set files with the syslogd_var_run_t type, if you want to store the
397 syslogd files under the /run or /var/run directory.
398 Paths:
401 /var/run/log(/.*)?, /var/run/syslog-ng.ctl, /var/run/syslog-
402 ng(/.*)?, /var/run/systemd/journal(/.*)?, /var/run/metalog.pid,
403 /var/run/syslogd.pid
404 Note: File context can be temporarily modified with the chcon command.
407 If you want to permanently change the file context you need to use the
408 semanage fcontext command. This will modify the SELinux labeling data‐
409 base. You will need to use restorecon to apply the labels.
410
413 semanage fcontext can also be used to manipulate default file context
414 mappings.
415 semanage permissive can also be used to manipulate whether or not a
417 process type is permissive.
418 semanage module can also be used to enable/disable/install/remove pol‐
420 icy modules.
421 semanage port can also be used to manipulate the port definitions
423 semanage boolean can also be used to manipulate the booleans
425 system-config-selinux is a GUI tool available to customize SELinux pol‐
428 icy settings.
429
432 This manual page was auto-generated using sepolicy manpage .
433
436 selinux(8), syslogd(8), semanage(8), restorecon(8), chcon(1), sepol‐
437 icy(8), setsebool(8)
438syslogd 19-05-30 syslogd_selinux(8)