dccd_selinux(8)

1dccd_selinux(8)               SELinux Policy dccd              dccd_selinux(8)
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NAME

6       dccd_selinux - Security Enhanced Linux Policy for the dccd processes
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DESCRIPTION

9       Security-Enhanced  Linux secures the dccd processes via flexible manda‐
10       tory access control.
11
12       The dccd processes execute with the dccd_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 dccd_t
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20
21

ENTRYPOINTS

23       The dccd_t SELinux type can be entered via the dccd_exec_t file type.
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25       The default entrypoint paths for the dccd_t domain are the following:
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27       /usr/sbin/dccd, /usr/libexec/dcc/dccd
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PROCESS TYPES

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       dccd policy is very flexible allowing users to setup  their  dccd  pro‐
37       cesses in as secure a method as possible.
38
39       The following process types are defined for dccd:
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41       dcc_client_t, dcc_dbclean_t, dccd_t
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43       Note:  semanage  permissive  -a  dccd_t can be used to make the process
44       type dccd_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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48

BOOLEANS

50       SELinux policy is customizable based on least  access  required.   dccd
51       policy is extremely flexible and has several booleans that allow you to
52       manipulate the policy and run dccd with the tightest access possible.
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56       If you want to allow users to resolve user passwd entries directly from
57       ldap  rather  then  using  a  sssd server, you must turn on the authlo‐
58       gin_nsswitch_use_ldap boolean. Disabled by default.
59
60       setsebool -P authlogin_nsswitch_use_ldap 1
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64       If you want to allow all daemons to write corefiles to /, you must turn
65       on the daemons_dump_core boolean. Disabled by default.
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67       setsebool -P daemons_dump_core 1
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71       If  you  want  to enable cluster mode for daemons, you must turn on the
72       daemons_enable_cluster_mode boolean. Enabled by default.
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74       setsebool -P daemons_enable_cluster_mode 1
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78       If you want to allow all daemons to use tcp wrappers, you must turn  on
79       the daemons_use_tcp_wrapper boolean. Disabled by default.
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81       setsebool -P daemons_use_tcp_wrapper 1
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84
85       If  you  want to allow all daemons the ability to read/write terminals,
86       you must turn on the daemons_use_tty boolean. Disabled by default.
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88       setsebool -P daemons_use_tty 1
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91
92       If you want to deny any process from ptracing or  debugging  any  other
93       processes,  you  must  turn  on  the  deny_ptrace  boolean.  Enabled by
94       default.
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96       setsebool -P deny_ptrace 1
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100       If you want to allow any process  to  mmap  any  file  on  system  with
101       attribute  file_type,  you must turn on the domain_can_mmap_files bool‐
102       ean. Enabled by default.
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104       setsebool -P domain_can_mmap_files 1
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108       If you want to allow all domains write to kmsg_device, while kernel  is
109       executed  with  systemd.log_target=kmsg parameter, you must turn on the
110       domain_can_write_kmsg boolean. Disabled by default.
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112       setsebool -P domain_can_write_kmsg 1
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116       If you want to allow all domains to use other domains file descriptors,
117       you must turn on the domain_fd_use boolean. Enabled by default.
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119       setsebool -P domain_fd_use 1
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122
123       If  you  want to allow all domains to have the kernel load modules, you
124       must  turn  on  the  domain_kernel_load_modules  boolean.  Disabled  by
125       default.
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127       setsebool -P domain_kernel_load_modules 1
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130
131       If you want to allow all domains to execute in fips_mode, you must turn
132       on the fips_mode boolean. Enabled by default.
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134       setsebool -P fips_mode 1
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138       If you want to enable reading of urandom for all domains, you must turn
139       on the global_ssp boolean. Disabled by default.
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141       setsebool -P global_ssp 1
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145       If  you  want  to allow confined applications to run with kerberos, you
146       must turn on the kerberos_enabled boolean. Enabled by default.
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148       setsebool -P kerberos_enabled 1
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151
152       If you want to allow system to run with  NIS,  you  must  turn  on  the
153       nis_enabled boolean. Disabled by default.
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155       setsebool -P nis_enabled 1
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158
159       If  you  want to allow confined applications to use nscd shared memory,
160       you must turn on the nscd_use_shm boolean. Disabled by default.
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162       setsebool -P nscd_use_shm 1
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PORT TYPES

167       SELinux defines port types to represent TCP and UDP ports.
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169       You can see the types associated with a port  by  using  the  following
170       command:
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172       semanage port -l
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174
175       Policy  governs  the  access  confined  processes  have to these ports.
176       SELinux dccd policy is very flexible allowing users to setup their dccd
177       processes in as secure a method as possible.
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179       The following port types are defined for dccd:
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181
182       dcc_port_t
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186       Default Defined Ports:
187                 udp 6276,6277
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MANAGED FILES

190       The  SELinux process type dccd_t can manage files labeled with the fol‐
191       lowing file types.  The paths listed are the default  paths  for  these
192       file types.  Note the processes UID still need to have DAC permissions.
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194       cluster_conf_t
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196            /etc/cluster(/.*)?
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198       cluster_var_lib_t
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200            /var/lib/pcsd(/.*)?
201            /var/lib/cluster(/.*)?
202            /var/lib/openais(/.*)?
203            /var/lib/pengine(/.*)?
204            /var/lib/corosync(/.*)?
205            /usr/lib/heartbeat(/.*)?
206            /var/lib/heartbeat(/.*)?
207            /var/lib/pacemaker(/.*)?
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209       cluster_var_run_t
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211            /var/run/crm(/.*)?
212            /var/run/cman_.*
213            /var/run/rsctmp(/.*)?
214            /var/run/aisexec.*
215            /var/run/heartbeat(/.*)?
216            /var/run/corosync-qnetd(/.*)?
217            /var/run/corosync-qdevice(/.*)?
218            /var/run/cpglockd.pid
219            /var/run/corosync.pid
220            /var/run/rgmanager.pid
221            /var/run/cluster/rgmanager.sk
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223       dcc_client_map_t
224
225            /etc/dcc/map
226            /var/dcc/map
227            /var/lib/dcc/map
228            /var/run/dcc/map
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230       dcc_var_t
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232            /etc/dcc(/.*)?
233            /var/dcc(/.*)?
234            /var/lib/dcc(/.*)?
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236       dccd_tmp_t
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239       dccd_var_run_t
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241
242       root_t
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244            /sysroot/ostree/deploy/.*-atomic.*/deploy(/.*)?
245            /
246            /initrd
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FILE CONTEXTS

250       SELinux requires files to have an extended attribute to define the file
251       type.
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253       You can see the context of a file using the -Z option to ls
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255       Policy governs the access  confined  processes  have  to  these  files.
256       SELinux dccd policy is very flexible allowing users to setup their dccd
257       processes in as secure a method as possible.
258
259       STANDARD FILE CONTEXT
260
261       SELinux defines the file context types for the dccd, if you  wanted  to
262       store  files  with  these types in a diffent paths, you need to execute
263       the semanage command  to  sepecify  alternate  labeling  and  then  use
264       restorecon to put the labels on disk.
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266       semanage fcontext -a -t dccd_var_run_t '/srv/mydccd_content(/.*)?'
267       restorecon -R -v /srv/mydccd_content
268
269       Note:  SELinux  often  uses  regular expressions to specify labels that
270       match multiple files.
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272       The following file types are defined for dccd:
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276       dccd_exec_t
277
278       - Set files with the dccd_exec_t type, if you  want  to  transition  an
279       executable to the dccd_t domain.
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281
282       Paths:
283            /usr/sbin/dccd, /usr/libexec/dcc/dccd
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285
286       dccd_tmp_t
287
288       -  Set files with the dccd_tmp_t type, if you want to store dccd tempo‐
289       rary files in the /tmp directories.
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293       dccd_var_run_t
294
295       - Set files with the dccd_var_run_t type, if you want to store the dccd
296       files under the /run or /var/run directory.
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299
300       Note:  File context can be temporarily modified with the chcon command.
301       If you want to permanently change the file context you need to use  the
302       semanage fcontext command.  This will modify the SELinux labeling data‐
303       base.  You will need to use restorecon to apply the labels.
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COMMANDS

307       semanage fcontext can also be used to manipulate default  file  context
308       mappings.
309
310       semanage  permissive  can  also  be used to manipulate whether or not a
311       process type is permissive.
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313       semanage module can also be used to enable/disable/install/remove  pol‐
314       icy modules.
315
316       semanage port can also be used to manipulate the port definitions
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318       semanage boolean can also be used to manipulate the booleans
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320
321       system-config-selinux is a GUI tool available to customize SELinux pol‐
322       icy settings.
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AUTHOR

326       This manual page was auto-generated using sepolicy manpage .
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