1nsd_selinux(8) SELinux Policy nsd nsd_selinux(8)
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6 nsd_selinux - Security Enhanced Linux Policy for the nsd processes
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9 Security-Enhanced Linux secures the nsd processes via flexible manda‐
10 tory access control.
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12 The nsd processes execute with the nsd_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 nsd_t
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23 The nsd_t SELinux type can be entered via the nsd_exec_t file type.
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25 The default entrypoint paths for the nsd_t domain are the following:
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27 /usr/sbin/nsd, /usr/sbin/nsdc, /usr/sbin/zonec, /usr/sbin/nsd-notify,
28 /usr/sbin/nsd-control, /usr/sbin/nsd-checkconf, /usr/sbin/nsd-check‐
29 zone, /usr/sbin/nsd-control-setup
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32 SELinux defines process types (domains) for each process running on the
33 system
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35 You can see the context of a process using the -Z option to ps
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37 Policy governs the access confined processes have to files. SELinux
38 nsd policy is very flexible allowing users to setup their nsd processes
39 in as secure a method as possible.
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41 The following process types are defined for nsd:
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43 nsd_t, nsd_crond_t
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45 Note: semanage permissive -a nsd_t can be used to make the process type
46 nsd_t permissive. SELinux does not deny access to permissive process
47 types, but the AVC (SELinux denials) messages are still generated.
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51 SELinux policy is customizable based on least access required. nsd
52 policy is extremely flexible and has several booleans that allow you to
53 manipulate the policy and run nsd with the tightest access possible.
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57 If you want to allow all domains to execute in fips_mode, you must turn
58 on the fips_mode boolean. Enabled by default.
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60 setsebool -P fips_mode 1
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65 SELinux defines port types to represent TCP and UDP ports.
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67 You can see the types associated with a port by using the following
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70 semanage port -l
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73 Policy governs the access confined processes have to these ports.
74 SELinux nsd policy is very flexible allowing users to setup their nsd
75 processes in as secure a method as possible.
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77 The following port types are defined for nsd:
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80 nsd_control_port_t
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84 Default Defined Ports:
85 tcp 8952
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88 The SELinux process type nsd_t can manage files labeled with the fol‐
89 lowing file types. The paths listed are the default paths for these
90 file types. Note the processes UID still need to have DAC permissions.
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92 cluster_conf_t
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94 /etc/cluster(/.*)?
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96 cluster_var_lib_t
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98 /var/lib/pcsd(/.*)?
99 /var/lib/cluster(/.*)?
100 /var/lib/openais(/.*)?
101 /var/lib/pengine(/.*)?
102 /var/lib/corosync(/.*)?
103 /usr/lib/heartbeat(/.*)?
104 /var/lib/heartbeat(/.*)?
105 /var/lib/pacemaker(/.*)?
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107 cluster_var_run_t
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109 /var/run/crm(/.*)?
110 /var/run/cman_.*
111 /var/run/rsctmp(/.*)?
112 /var/run/aisexec.*
113 /var/run/heartbeat(/.*)?
114 /var/run/pcsd-ruby.socket
115 /var/run/corosync-qnetd(/.*)?
116 /var/run/corosync-qdevice(/.*)?
117 /var/run/corosync.pid
118 /var/run/cpglockd.pid
119 /var/run/rgmanager.pid
120 /var/run/cluster/rgmanager.sk
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122 krb5_host_rcache_t
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124 /var/tmp/krb5_0.rcache2
125 /var/cache/krb5rcache(/.*)?
126 /var/tmp/nfs_0
127 /var/tmp/DNS_25
128 /var/tmp/host_0
129 /var/tmp/imap_0
130 /var/tmp/HTTP_23
131 /var/tmp/HTTP_48
132 /var/tmp/ldap_55
133 /var/tmp/ldap_487
134 /var/tmp/ldapmap1_0
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136 nsd_conf_t
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138 /etc/nsd(/.*)?
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140 nsd_log_t
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142 /var/log/nsd.log.*
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144 nsd_tmp_t
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147 nsd_var_run_t
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149 /var/run/nsd.pid
150 /var/run/nsd.ctl
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152 nsd_zone_t
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154 /var/lib/nsd(/.*)?
155 /etc/nsd/primary(/.*)?
156 /etc/nsd/secondary(/.*)?
157 /etc/nsd/nsd.db
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159 root_t
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161 /sysroot/ostree/deploy/.*-atomic/deploy(/.*)?
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163 /initrd
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167 SELinux requires files to have an extended attribute to define the file
168 type.
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170 You can see the context of a file using the -Z option to ls
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172 Policy governs the access confined processes have to these files.
173 SELinux nsd policy is very flexible allowing users to setup their nsd
174 processes in as secure a method as possible.
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176 STANDARD FILE CONTEXT
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178 SELinux defines the file context types for the nsd, if you wanted to
179 store files with these types in a diffent paths, you need to execute
180 the semanage command to specify alternate labeling and then use re‐
181 storecon to put the labels on disk.
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183 semanage fcontext -a -t nsd_tmp_t '/srv/mynsd_content(/.*)?'
184 restorecon -R -v /srv/mynsd_content
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186 Note: SELinux often uses regular expressions to specify labels that
187 match multiple files.
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189 The following file types are defined for nsd:
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193 nsd_conf_t
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195 - Set files with the nsd_conf_t type, if you want to treat the files as
196 nsd configuration data, usually stored under the /etc directory.
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200 nsd_exec_t
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202 - Set files with the nsd_exec_t type, if you want to transition an exe‐
203 cutable to the nsd_t domain.
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206 Paths:
207 /usr/sbin/nsd, /usr/sbin/nsdc, /usr/sbin/zonec, /usr/sbin/nsd-no‐
208 tify, /usr/sbin/nsd-control, /usr/sbin/nsd-checkconf,
209 /usr/sbin/nsd-checkzone, /usr/sbin/nsd-control-setup
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212 nsd_log_t
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214 - Set files with the nsd_log_t type, if you want to treat the data as
215 nsd log data, usually stored under the /var/log directory.
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219 nsd_tmp_t
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221 - Set files with the nsd_tmp_t type, if you want to store nsd temporary
222 files in the /tmp directories.
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226 nsd_var_run_t
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228 - Set files with the nsd_var_run_t type, if you want to store the nsd
229 files under the /run or /var/run directory.
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232 Paths:
233 /var/run/nsd.pid, /var/run/nsd.ctl
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236 nsd_zone_t
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238 - Set files with the nsd_zone_t type, if you want to treat the files as
239 nsd zone data.
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242 Paths:
243 /var/lib/nsd(/.*)?, /etc/nsd/primary(/.*)?, /etc/nsd/sec‐
244 ondary(/.*)?, /etc/nsd/nsd.db
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247 Note: File context can be temporarily modified with the chcon command.
248 If you want to permanently change the file context you need to use the
249 semanage fcontext command. This will modify the SELinux labeling data‐
250 base. You will need to use restorecon to apply the labels.
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254 semanage fcontext can also be used to manipulate default file context
255 mappings.
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257 semanage permissive can also be used to manipulate whether or not a
258 process type is permissive.
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260 semanage module can also be used to enable/disable/install/remove pol‐
261 icy modules.
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263 semanage port can also be used to manipulate the port definitions
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265 semanage boolean can also be used to manipulate the booleans
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268 system-config-selinux is a GUI tool available to customize SELinux pol‐
269 icy settings.
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273 This manual page was auto-generated using sepolicy manpage .
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277 selinux(8), nsd(8), semanage(8), restorecon(8), chcon(1), sepolicy(8),
278 setsebool(8), nsd_crond_selinux(8)
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282nsd 22-05-27 nsd_selinux(8)