1nx_server_selinux(8)nx_server SELinux Policy documentationnx_server_selinux(8)
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6 nx_server_r - nx_server user role - Security Enhanced Linux Policy
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10 SELinux supports Roles Based Access Control (RBAC), some Linux roles
11 are login roles, while other roles need to be transition into.
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13 Note: Examples in this man page will use the staff_u SELinux user.
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15 Non login roles are usually used for administrative tasks. For example,
16 tasks that require root privileges. Roles control which types a user
17 can run processes with. Roles often have default types assigned to
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20 The default type for the nx_server_r role is nx_server_t.
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22 The newrole program to transition directly to this role.
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24 newrole -r nx_server_r -t nx_server_t
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26 sudo is the preferred method to do transition from one role to another.
27 You setup sudo to transition to nx_server_r by adding a similar line to
28 the /etc/sudoers file.
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30 USERNAME ALL=(ALL) ROLE=nx_server_r TYPE=nx_server_t COMMAND
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32 sudo will run COMMAND as staff_u:nx_server_r:nx_server_t:LEVEL
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34 When using a a non login role, you need to setup SELinux so that your
35 SELinux user can reach nx_server_r role.
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37 Execute the following to see all of the assigned SELinux roles:
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39 semanage user -l
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41 You need to add nx_server_r to the staff_u user. You could setup the
42 staff_u user to be able to use the nx_server_r role with a command
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45 $ semanage user -m -R 'staff_r system_r nx_server_r' staff_u
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50 SELinux policy is customizable based on least access required.
51 nx_server policy is extremely flexible and has several booleans that
52 allow you to manipulate the policy and run nx_server with the tightest
53 access possible.
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57 If you want to allow all domains to use other domains file descriptors,
58 you must turn on the allow_domain_fd_use boolean. Enabled by default.
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60 setsebool -P allow_domain_fd_use 1
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64 If you want to allow sysadm to debug or ptrace all processes, you must
65 turn on the allow_ptrace boolean. Disabled by default.
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67 setsebool -P allow_ptrace 1
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71 If you want to allow all domains to have the kernel load modules, you
72 must turn on the domain_kernel_load_modules boolean. Disabled by
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75 setsebool -P domain_kernel_load_modules 1
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79 If you want to allow all domains to execute in fips_mode, you must turn
80 on the fips_mode boolean. Enabled by default.
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82 setsebool -P fips_mode 1
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86 If you want to enable reading of urandom for all domains, you must turn
87 on the global_ssp boolean. Disabled by default.
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89 setsebool -P global_ssp 1
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94 The SELinux process type nx_server_t can manage files labeled with the
95 following file types. The paths listed are the default paths for these
96 file types. Note the processes UID still need to have DAC permissions.
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98 initrc_tmp_t
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101 mnt_t
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103 /mnt(/[^/]*)
104 /mnt(/[^/]*)?
105 /rhev(/[^/]*)?
106 /media(/[^/]*)
107 /media(/[^/]*)?
108 /etc/rhgb(/.*)?
109 /media/.hal-.*
110 /net
111 /afs
112 /rhev
113 /misc
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115 nx_server_home_ssh_t
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117 /opt/NX/home/nx/.ssh(/.*)?
118 /usr/NX/home/nx/.ssh(/.*)?
119 /var/lib/nxserver/home/.ssh(/.*)?
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121 nx_server_tmp_t
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124 nx_server_var_lib_t
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126 /opt/NX/home(/.*)?
127 /usr/NX/home(/.*)?
128 /var/lib/nxserver(/.*)?
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130 nx_server_var_run_t
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132 /opt/NX/var(/.*)?
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134 ssh_home_t
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136 /root/.ssh(/.*)?
137 /var/lib/gitolite(3)?/.ssh(/.*)?
138 /var/lib/pgsql/.ssh(/.*)?
139 /var/lib/openshift/[^/]+/.ssh(/.*)?
140 /var/lib/amanda/.ssh(/.*)?
141 /var/lib/stickshift/[^/]+/.ssh(/.*)?
142 /root/.shosts
143 /home/[^/]*/.ssh(/.*)?
144 /home/[^/]*/.shosts
145 /home/staff/.ssh(/.*)?
146 /home/staff/.shosts
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148 tmp_t
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150 /tmp
151 /usr/tmp
152 /var/tmp
153 /tmp-inst
154 /var/tmp-inst
155 /var/tmp/vi.recover
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159 semanage fcontext can also be used to manipulate default file context
160 mappings.
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162 semanage permissive can also be used to manipulate whether or not a
163 process type is permissive.
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165 semanage module can also be used to enable/disable/install/remove pol‐
166 icy modules.
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168 semanage boolean can also be used to manipulate the booleans
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171 system-config-selinux is a GUI tool available to customize SELinux pol‐
172 icy settings.
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176 This manual page was auto-generated using sepolicy manpage .
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180 selinux(8), nx_server(8), semanage(8), restorecon(8), chcon(1) , setse‐
181 bool(8), nx_server_ssh_selinux(8), nx_server_ssh_selinux(8)
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185mgrepl@redhat.com nx_server nx_server_selinux(8)