1gssd_selinux(8) SELinux Policy gssd gssd_selinux(8)
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6 gssd_selinux - Security Enhanced Linux Policy for the gssd processes
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9 Security-Enhanced Linux secures the gssd processes via flexible manda‐
10 tory access control.
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12 The gssd processes execute with the gssd_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 gssd_t
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23 The gssd_t SELinux type can be entered via the gssd_exec_t file type.
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25 The default entrypoint paths for the gssd_t domain are the following:
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27 /usr/sbin/rpc.gssd, /usr/sbin/rpc.svcgssd
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30 SELinux defines process types (domains) for each process running on the
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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 gssd policy is very flexible allowing users to setup their gssd pro‐
37 cesses in as secure a method as possible.
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39 The following process types are defined for gssd:
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41 gssd_t
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43 Note: semanage permissive -a gssd_t can be used to make the process
44 type gssd_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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50 SELinux policy is customizable based on least access required. gssd
51 policy is extremely flexible and has several booleans that allow you to
52 manipulate the policy and run gssd with the tightest access possible.
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56 If you want to allow gssd to list tmp directories and read the kerberos
57 credential cache, you must turn on the gssd_read_tmp boolean. Enabled
58 by default.
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60 setsebool -P gssd_read_tmp 1
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64 If you want to allow all domains to execute in fips_mode, you must turn
65 on the fips_mode boolean. Enabled by default.
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67 setsebool -P fips_mode 1
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71 If you want to allow confined applications to run with kerberos, you
72 must turn on the kerberos_enabled boolean. Disabled by default.
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74 setsebool -P kerberos_enabled 1
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79 The SELinux process type gssd_t can manage files labeled with the fol‐
80 lowing file types. The paths listed are the default paths for these
81 file types. Note the processes UID still need to have DAC permissions.
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83 auth_cache_t
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85 /var/cache/coolkey(/.*)?
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87 cluster_conf_t
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89 /etc/cluster(/.*)?
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91 cluster_var_lib_t
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93 /var/lib/pcsd(/.*)?
94 /var/lib/cluster(/.*)?
95 /var/lib/openais(/.*)?
96 /var/lib/pengine(/.*)?
97 /var/lib/corosync(/.*)?
98 /usr/lib/heartbeat(/.*)?
99 /var/lib/heartbeat(/.*)?
100 /var/lib/pacemaker(/.*)?
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102 cluster_var_run_t
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104 /var/run/crm(/.*)?
105 /var/run/cman_.*
106 /var/run/rsctmp(/.*)?
107 /var/run/aisexec.*
108 /var/run/heartbeat(/.*)?
109 /var/run/corosync-qnetd(/.*)?
110 /var/run/corosync-qdevice(/.*)?
111 /var/run/corosync.pid
112 /var/run/cpglockd.pid
113 /var/run/rgmanager.pid
114 /var/run/cluster/rgmanager.sk
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116 root_t
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118 /sysroot/ostree/deploy/.*-atomic/deploy(/.*)?
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120 /initrd
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122 security_t
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124 /selinux
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126 var_lib_nfs_t
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128 /var/lib/nfs(/.*)?
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132 SELinux requires files to have an extended attribute to define the file
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135 You can see the context of a file using the -Z option to ls
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137 Policy governs the access confined processes have to these files.
138 SELinux gssd policy is very flexible allowing users to setup their gssd
139 processes in as secure a method as possible.
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141 STANDARD FILE CONTEXT
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143 SELinux defines the file context types for the gssd, if you wanted to
144 store files with these types in a diffent paths, you need to execute
145 the semanage command to sepecify alternate labeling and then use
146 restorecon to put the labels on disk.
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148 semanage fcontext -a -t gssd_tmp_t '/srv/mygssd_content(/.*)?'
149 restorecon -R -v /srv/mygssd_content
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151 Note: SELinux often uses regular expressions to specify labels that
152 match multiple files.
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154 The following file types are defined for gssd:
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158 gssd_exec_t
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160 - Set files with the gssd_exec_t type, if you want to transition an
161 executable to the gssd_t domain.
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164 Paths:
165 /usr/sbin/rpc.gssd, /usr/sbin/rpc.svcgssd
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168 gssd_keytab_t
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170 - Set files with the gssd_keytab_t type, if you want to treat the files
171 as kerberos keytab files.
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175 gssd_tmp_t
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177 - Set files with the gssd_tmp_t type, if you want to store gssd tempo‐
178 rary files in the /tmp directories.
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182 Note: File context can be temporarily modified with the chcon command.
183 If you want to permanently change the file context you need to use the
184 semanage fcontext command. This will modify the SELinux labeling data‐
185 base. You will need to use restorecon to apply the labels.
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189 semanage fcontext can also be used to manipulate default file context
190 mappings.
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192 semanage permissive can also be used to manipulate whether or not a
193 process type is permissive.
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195 semanage module can also be used to enable/disable/install/remove pol‐
196 icy modules.
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198 semanage boolean can also be used to manipulate the booleans
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201 system-config-selinux is a GUI tool available to customize SELinux pol‐
202 icy settings.
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206 This manual page was auto-generated using sepolicy manpage .
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210 selinux(8), gssd(8), semanage(8), restorecon(8), chcon(1), sepolicy(8),
211 setsebool(8)
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215gssd 20-05-05 gssd_selinux(8)