1sysadm_seunshare_selinux(S8E)Linux Policy sysadm_seunshsayrseadm_seunshare_selinux(8)
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6 sysadm_seunshare_selinux - Security Enhanced Linux Policy for the
7 sysadm_seunshare processes
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10 Security-Enhanced Linux secures the sysadm_seunshare processes via
11 flexible mandatory access control.
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13 The sysadm_seunshare processes execute with the sysadm_seunshare_t
14 SELinux type. You can check if you have these processes running by exe‐
15 cuting the ps command with the -Z qualifier.
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17 For example:
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19 ps -eZ | grep sysadm_seunshare_t
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24 The sysadm_seunshare_t SELinux type can be entered via the seun‐
25 share_exec_t file type.
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27 The default entrypoint paths for the sysadm_seunshare_t domain are the
28 following:
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30 /usr/sbin/seunshare
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33 SELinux defines process types (domains) for each process running on the
34 system
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36 You can see the context of a process using the -Z option to ps
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38 Policy governs the access confined processes have to files. SELinux
39 sysadm_seunshare policy is very flexible allowing users to setup their
40 sysadm_seunshare processes in as secure a method as possible.
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42 The following process types are defined for sysadm_seunshare:
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44 sysadm_seunshare_t
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46 Note: semanage permissive -a sysadm_seunshare_t can be used to make the
47 process type sysadm_seunshare_t permissive. SELinux does not deny
48 access to permissive process types, but the AVC (SELinux denials) mes‐
49 sages are still generated.
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53 SELinux policy is customizable based on least access required.
54 sysadm_seunshare policy is extremely flexible and has several booleans
55 that allow you to manipulate the policy and run sysadm_seunshare with
56 the tightest access possible.
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60 If you want to allow users to resolve user passwd entries directly from
61 ldap rather then using a sssd server, you must turn on the authlo‐
62 gin_nsswitch_use_ldap boolean. Disabled by default.
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64 setsebool -P authlogin_nsswitch_use_ldap 1
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68 If you want to deny any process from ptracing or debugging any other
69 processes, you must turn on the deny_ptrace boolean. Enabled by
70 default.
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72 setsebool -P deny_ptrace 1
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76 If you want to allow any process to mmap any file on system with
77 attribute file_type, you must turn on the domain_can_mmap_files bool‐
78 ean. Enabled by default.
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80 setsebool -P domain_can_mmap_files 1
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84 If you want to allow all domains write to kmsg_device, while kernel is
85 executed with systemd.log_target=kmsg parameter, you must turn on the
86 domain_can_write_kmsg boolean. Disabled by default.
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88 setsebool -P domain_can_write_kmsg 1
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92 If you want to allow all domains to use other domains file descriptors,
93 you must turn on the domain_fd_use boolean. Enabled by default.
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95 setsebool -P domain_fd_use 1
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99 If you want to allow all domains to have the kernel load modules, you
100 must turn on the domain_kernel_load_modules boolean. Disabled by
101 default.
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103 setsebool -P domain_kernel_load_modules 1
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107 If you want to allow all domains to execute in fips_mode, you must turn
108 on the fips_mode boolean. Enabled by default.
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110 setsebool -P fips_mode 1
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114 If you want to enable reading of urandom for all domains, you must turn
115 on the global_ssp boolean. Disabled by default.
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117 setsebool -P global_ssp 1
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121 If you want to allow confined applications to run with kerberos, you
122 must turn on the kerberos_enabled boolean. Enabled by default.
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124 setsebool -P kerberos_enabled 1
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128 If you want to allow system to run with NIS, you must turn on the
129 nis_enabled boolean. Disabled by default.
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131 setsebool -P nis_enabled 1
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135 If you want to allow confined applications to use nscd shared memory,
136 you must turn on the nscd_use_shm boolean. Disabled by default.
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138 setsebool -P nscd_use_shm 1
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142 If you want to support fusefs home directories, you must turn on the
143 use_fusefs_home_dirs boolean. Disabled by default.
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145 setsebool -P use_fusefs_home_dirs 1
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149 If you want to support NFS home directories, you must turn on the
150 use_nfs_home_dirs boolean. Disabled by default.
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152 setsebool -P use_nfs_home_dirs 1
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156 If you want to support SAMBA home directories, you must turn on the
157 use_samba_home_dirs boolean. Disabled by default.
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159 setsebool -P use_samba_home_dirs 1
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164 The SELinux process type sysadm_seunshare_t can manage files labeled
165 with the following file types. The paths listed are the default paths
166 for these file types. Note the processes UID still need to have DAC
167 permissions.
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169 cgroup_t
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171 /sys/fs/cgroup
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173 sandbox_file_t
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176 sandbox_tmpfs_type
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178 all sandbox content in tmpfs file systems
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182 semanage fcontext can also be used to manipulate default file context
183 mappings.
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185 semanage permissive can also be used to manipulate whether or not a
186 process type is permissive.
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188 semanage module can also be used to enable/disable/install/remove pol‐
189 icy modules.
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191 semanage boolean can also be used to manipulate the booleans
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194 system-config-selinux is a GUI tool available to customize SELinux pol‐
195 icy settings.
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199 This manual page was auto-generated using sepolicy manpage .
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203 selinux(8), sysadm_seunshare(8), semanage(8), restorecon(8), chcon(1),
204 sepolicy(8) , setsebool(8)
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208sysadm_seunshare 19-04-25 sysadm_seunshare_selinux(8)