1cobblerd_selinux(8) SELinux Policy cobblerd cobblerd_selinux(8)
2
3
4
6 cobblerd_selinux - Security Enhanced Linux Policy for the cobblerd pro‐
7 cesses
8
10 Security-Enhanced Linux secures the cobblerd processes via flexible
11 mandatory access control.
12
13 The cobblerd processes execute with the cobblerd_t SELinux type. You
14 can check if you have these processes running by executing the ps com‐
15 mand with the -Z qualifier.
16
17 For example:
18
19 ps -eZ | grep cobblerd_t
20
21
22
24 The cobblerd_t SELinux type can be entered via the cobblerd_exec_t file
25 type.
26
27 The default entrypoint paths for the cobblerd_t domain are the follow‐
28 ing:
29
30 /usr/bin/cobblerd
31
33 SELinux defines process types (domains) for each process running on the
34 system
35
36 You can see the context of a process using the -Z option to ps
37
38 Policy governs the access confined processes have to files. SELinux
39 cobblerd policy is very flexible allowing users to setup their cobblerd
40 processes in as secure a method as possible.
41
42 The following process types are defined for cobblerd:
43
44 cobblerd_t
45
46 Note: semanage permissive -a cobblerd_t can be used to make the process
47 type cobblerd_t permissive. SELinux does not deny access to permissive
48 process types, but the AVC (SELinux denials) messages are still gener‐
49 ated.
50
51
53 SELinux policy is customizable based on least access required. cob‐
54 blerd policy is extremely flexible and has several booleans that allow
55 you to manipulate the policy and run cobblerd with the tightest access
56 possible.
57
58
59
60 If you want to determine whether Cobbler can connect to the network us‐
61 ing TCP, you must turn on the cobbler_can_network_connect boolean. Dis‐
62 abled by default.
63
64 setsebool -P cobbler_can_network_connect 1
65
66
67
68 If you want to determine whether Cobbler can access cifs file systems,
69 you must turn on the cobbler_use_cifs boolean. Disabled by default.
70
71 setsebool -P cobbler_use_cifs 1
72
73
74
75 If you want to determine whether Cobbler can access nfs file systems,
76 you must turn on the cobbler_use_nfs boolean. Disabled by default.
77
78 setsebool -P cobbler_use_nfs 1
79
80
81
82 If you want to allow all domains to execute in fips_mode, you must turn
83 on the fips_mode boolean. Enabled by default.
84
85 setsebool -P fips_mode 1
86
87
88
90 SELinux defines port types to represent TCP and UDP ports.
91
92 You can see the types associated with a port by using the following
93 command:
94
95 semanage port -l
96
97
98 Policy governs the access confined processes have to these ports.
99 SELinux cobblerd policy is very flexible allowing users to setup their
100 cobblerd processes in as secure a method as possible.
101
102 The following port types are defined for cobblerd:
103
104
105 cobbler_port_t
106
107
108
109 Default Defined Ports:
110 tcp 25151
111
113 The SELinux process type cobblerd_t can manage files labeled with the
114 following file types. The paths listed are the default paths for these
115 file types. Note the processes UID still need to have DAC permissions.
116
117 cifs_t
118
119
120 cluster_conf_t
121
122 /etc/cluster(/.*)?
123
124 cluster_var_lib_t
125
126 /var/lib/pcsd(/.*)?
127 /var/lib/cluster(/.*)?
128 /var/lib/openais(/.*)?
129 /var/lib/pengine(/.*)?
130 /var/lib/corosync(/.*)?
131 /usr/lib/heartbeat(/.*)?
132 /var/lib/heartbeat(/.*)?
133 /var/lib/pacemaker(/.*)?
134
135 cluster_var_run_t
136
137 /var/run/crm(/.*)?
138 /var/run/cman_.*
139 /var/run/rsctmp(/.*)?
140 /var/run/aisexec.*
141 /var/run/heartbeat(/.*)?
142 /var/run/pcsd-ruby.socket
143 /var/run/corosync-qnetd(/.*)?
144 /var/run/corosync-qdevice(/.*)?
145 /var/run/corosync.pid
146 /var/run/cpglockd.pid
147 /var/run/rgmanager.pid
148 /var/run/cluster/rgmanager.sk
149
150 cobbler_tmp_t
151
152
153 cobbler_var_lib_t
154
155 /var/lib/cobbler(/.*)?
156 /var/www/cobbler(/.*)?
157 /var/cache/cobbler(/.*)?
158 /var/lib/tftpboot/etc(/.*)?
159 /var/lib/tftpboot/ppc(/.*)?
160 /var/lib/tftpboot/boot(/.*)?
161 /var/lib/tftpboot/grub(/.*)?
162 /var/lib/tftpboot/s390x(/.*)?
163 /var/lib/tftpboot/images(/.*)?
164 /var/lib/tftpboot/aarch64(/.*)?
165 /var/lib/tftpboot/images2(/.*)?
166 /var/lib/tftpboot/pxelinux.cfg(/.*)?
167 /var/lib/tftpboot/yaboot
168 /var/lib/tftpboot/memdisk
169 /var/lib/tftpboot/menu.c32
170 /var/lib/tftpboot/pxelinux.0
171
172 dhcp_etc_t
173
174 /etc/dhcpc.*
175 /etc/dhcp3?(/.*)?
176 /etc/dhcpd(6)?.conf
177 /etc/dhcp3?/dhclient.*
178 /etc/dhclient.*conf
179 /etc/dhcp/dhcpd(6)?.conf
180 /etc/dhclient-script
181
182 dnsmasq_etc_t
183
184 /etc/dnsmasq.d(/.*)?
185 /etc/dnsmasq.conf
186
187 krb5_host_rcache_t
188
189 /var/tmp/krb5_0.rcache2
190 /var/cache/krb5rcache(/.*)?
191 /var/tmp/nfs_0
192 /var/tmp/DNS_25
193 /var/tmp/host_0
194 /var/tmp/imap_0
195 /var/tmp/HTTP_23
196 /var/tmp/HTTP_48
197 /var/tmp/ldap_55
198 /var/tmp/ldap_487
199 /var/tmp/ldapmap1_0
200
201 named_conf_t
202
203 /etc/rndc.*
204 /etc/named(/.*)?
205 /etc/unbound(/.*)?
206 /var/named/chroot(/.*)?
207 /etc/named.rfc1912.zones
208 /var/named/chroot/etc/named.rfc1912.zones
209 /etc/named.conf
210 /var/named/named.ca
211 /etc/named.root.hints
212 /var/named/chroot/etc/named.conf
213 /etc/named.caching-nameserver.conf
214 /var/named/chroot/var/named/named.ca
215 /var/named/chroot/etc/named.root.hints
216 /var/named/chroot/etc/named.caching-nameserver.conf
217
218 named_zone_t
219
220 /var/named(/.*)?
221 /var/named/chroot/var/named(/.*)?
222
223 nfs_t
224
225
226 root_t
227
228 /sysroot/ostree/deploy/.*-atomic/deploy(/.*)?
229 /
230 /initrd
231
232 rsync_etc_t
233
234 /etc/rsyncd.conf
235
236 systemd_passwd_var_run_t
237
238 /var/run/systemd/ask-password(/.*)?
239 /var/run/systemd/ask-password-block(/.*)?
240
241 tftpd_etc_t
242
243 /etc/(x)?inetd.d/tftp
244
245
247 SELinux requires files to have an extended attribute to define the file
248 type.
249
250 You can see the context of a file using the -Z option to ls
251
252 Policy governs the access confined processes have to these files.
253 SELinux cobblerd policy is very flexible allowing users to setup their
254 cobblerd processes in as secure a method as possible.
255
256 The following file types are defined for cobblerd:
257
258
259
260 cobblerd_exec_t
261
262 - Set files with the cobblerd_exec_t type, if you want to transition an
263 executable to the cobblerd_t domain.
264
265
266
267 cobblerd_initrc_exec_t
268
269 - Set files with the cobblerd_initrc_exec_t type, if you want to tran‐
270 sition an executable to the cobblerd_initrc_t domain.
271
272
273
274 Note: File context can be temporarily modified with the chcon command.
275 If you want to permanently change the file context you need to use the
276 semanage fcontext command. This will modify the SELinux labeling data‐
277 base. You will need to use restorecon to apply the labels.
278
279
281 If you want to share files with multiple domains (Apache, FTP, rsync,
282 Samba), you can set a file context of public_content_t and public_con‐
283 tent_rw_t. These context allow any of the above domains to read the
284 content. If you want a particular domain to write to the public_con‐
285 tent_rw_t domain, you must set the appropriate boolean.
286
287 Allow cobblerd servers to read the /var/cobblerd directory by adding
288 the public_content_t file type to the directory and by restoring the
289 file type.
290
291 semanage fcontext -a -t public_content_t "/var/cobblerd(/.*)?"
292 restorecon -F -R -v /var/cobblerd
293
294 Allow cobblerd servers to read and write /var/cobblerd/incoming by
295 adding the public_content_rw_t type to the directory and by restoring
296 the file type. You also need to turn on the cobblerd_anon_write bool‐
297 ean.
298
299 semanage fcontext -a -t public_content_rw_t "/var/cobblerd/incom‐
300 ing(/.*)?"
301 restorecon -F -R -v /var/cobblerd/incoming
302 setsebool -P cobblerd_anon_write 1
303
304
305 If you want to determine whether Cobbler can modify public files used
306 for public file transfer services., you must turn on the cob‐
307 bler_anon_write boolean.
308
309 setsebool -P cobbler_anon_write 1
310
311
313 semanage fcontext can also be used to manipulate default file context
314 mappings.
315
316 semanage permissive can also be used to manipulate whether or not a
317 process type is permissive.
318
319 semanage module can also be used to enable/disable/install/remove pol‐
320 icy modules.
321
322 semanage port can also be used to manipulate the port definitions
323
324 semanage boolean can also be used to manipulate the booleans
325
326
327 system-config-selinux is a GUI tool available to customize SELinux pol‐
328 icy settings.
329
330
332 This manual page was auto-generated using sepolicy manpage .
333
334
336 selinux(8), cobblerd(8), semanage(8), restorecon(8), chcon(1), sepol‐
337 icy(8), setsebool(8)
338
339
340
341cobblerd 23-02-03 cobblerd_selinux(8)