ndc_selinux(8)

1ndc_selinux(8)                SELinux Policy ndc                ndc_selinux(8)
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NAME

6       ndc_selinux - Security Enhanced Linux Policy for the ndc processes
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DESCRIPTION

9       Security-Enhanced  Linux  secures the ndc processes via flexible manda‐
10       tory access control.
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12       The ndc processes execute with the ndc_t SELinux type. You can check if
13       you  have  these processes running by executing the ps command with the
14       -Z qualifier.
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16       For example:
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18       ps -eZ | grep ndc_t
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ENTRYPOINTS

23       The ndc_t SELinux type can be entered via the ndc_exec_t file type.
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25       The default entrypoint paths for the ndc_t domain are the following:
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27       /usr/sbin/r?ndc
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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       ndc policy is very flexible allowing users to setup their ndc processes
37       in as secure a method as possible.
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39       The following process types are defined for ndc:
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41       ndc_t
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43       Note: semanage permissive -a ndc_t can be used to make the process type
44       ndc_t permissive. SELinux does not deny access  to  permissive  process
45       types, but the AVC (SELinux denials) messages are still generated.
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BOOLEANS

49       SELinux  policy  is  customizable  based on least access required.  ndc
50       policy is extremely flexible and has several booleans that allow you to
51       manipulate the policy and run ndc with the tightest access possible.
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55       If  you  want to allow all daemons the ability to read/write terminals,
56       you  must  turn  on  the  allow_daemons_use_tty  boolean.  Disabled  by
57       default.
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59       setsebool -P allow_daemons_use_tty 1
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63       If you want to allow all domains to use other domains file descriptors,
64       you must turn on the allow_domain_fd_use boolean. Enabled by default.
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66       setsebool -P allow_domain_fd_use 1
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70       If you want to allow sysadm to debug or ptrace all processes, you  must
71       turn on the allow_ptrace boolean. Disabled by default.
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73       setsebool -P allow_ptrace 1
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77       If  you  want  to  allow  system  to run with NIS, you must turn on the
78       allow_ypbind boolean. Disabled by default.
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80       setsebool -P allow_ypbind 1
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84       If you want to allow all domains to have the kernel load  modules,  you
85       must  turn  on  the  domain_kernel_load_modules  boolean.  Disabled  by
86       default.
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88       setsebool -P domain_kernel_load_modules 1
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92       If you want to allow all domains to execute in fips_mode, you must turn
93       on the fips_mode boolean. Enabled by default.
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95       setsebool -P fips_mode 1
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99       If you want to enable reading of urandom for all domains, you must turn
100       on the global_ssp boolean. Disabled by default.
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102       setsebool -P global_ssp 1
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MANAGED FILES

107       The SELinux process type ndc_t can manage files labeled with  the  fol‐
108       lowing  file  types.   The paths listed are the default paths for these
109       file types.  Note the processes UID still need to have DAC permissions.
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111       initrc_tmp_t
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114       mnt_t
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116            /mnt(/[^/]*)
117            /mnt(/[^/]*)?
118            /rhev(/[^/]*)?
119            /media(/[^/]*)
120            /media(/[^/]*)?
121            /etc/rhgb(/.*)?
122            /media/.hal-.*
123            /net
124            /afs
125            /rhev
126            /misc
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128       tmp_t
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130            /tmp
131            /usr/tmp
132            /var/tmp
133            /tmp-inst
134            /var/tmp-inst
135            /var/tmp/vi.recover
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FILE CONTEXTS

139       SELinux requires files to have an extended attribute to define the file
140       type.
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142       You can see the context of a file using the -Z option to ls
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144       Policy  governs  the  access  confined  processes  have to these files.
145       SELinux ndc policy is very flexible allowing users to setup  their  ndc
146       processes in as secure a method as possible.
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148       The following file types are defined for ndc:
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152       ndc_exec_t
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154       - Set files with the ndc_exec_t type, if you want to transition an exe‐
155       cutable to the ndc_t domain.
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159       Note: File context can be temporarily modified with the chcon  command.
160       If  you want to permanently change the file context you need to use the
161       semanage fcontext command.  This will modify the SELinux labeling data‐
162       base.  You will need to use restorecon to apply the labels.
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COMMANDS

166       semanage  fcontext  can also be used to manipulate default file context
167       mappings.
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169       semanage permissive can also be used to manipulate  whether  or  not  a
170       process type is permissive.
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172       semanage  module can also be used to enable/disable/install/remove pol‐
173       icy modules.
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175       semanage boolean can also be used to manipulate the booleans
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178       system-config-selinux is a GUI tool available to customize SELinux pol‐
179       icy settings.
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AUTHOR

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