1cyrus_selinux(8) SELinux Policy cyrus cyrus_selinux(8)
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6 cyrus_selinux - Security Enhanced Linux Policy for the cyrus processes
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9 Security-Enhanced Linux secures the cyrus processes via flexible manda‐
10 tory access control.
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12 The cyrus processes execute with the cyrus_t SELinux type. You can
13 check if you have these processes running by executing the ps command
14 with the -Z qualifier.
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16 For example:
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18 ps -eZ | grep cyrus_t
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23 The cyrus_t SELinux type can be entered via the cyrus_exec_t file type.
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25 The default entrypoint paths for the cyrus_t domain are the following:
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27 /usr/lib/cyrus/master, /usr/libexec/cyrus-imapd/master, /usr/lib/cyrus-
28 imapd/cyrus-master, /usr/libexec/cyrus-imapd/cyrus-master
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31 SELinux defines process types (domains) for each process running on the
32 system
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34 You can see the context of a process using the -Z option to ps
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36 Policy governs the access confined processes have to files. SELinux
37 cyrus policy is very flexible allowing users to setup their cyrus pro‐
38 cesses in as secure a method as possible.
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40 The following process types are defined for cyrus:
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42 cyrus_t
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44 Note: semanage permissive -a cyrus_t can be used to make the process
45 type cyrus_t permissive. SELinux does not deny access to permissive
46 process types, but the AVC (SELinux denials) messages are still gener‐
47 ated.
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51 SELinux policy is customizable based on least access required. cyrus
52 policy is extremely flexible and has several booleans that allow you to
53 manipulate the policy and run cyrus 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
68 command:
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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 cyrus policy is very flexible allowing users to setup their
75 cyrus processes in as secure a method as possible.
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77 The following port types are defined for cyrus:
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80 cyrus_imapd_port_t
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84 Default Defined Ports:
85 tcp 2005
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88 The SELinux process type cyrus_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 cyrus_tmp_t
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125 cyrus_var_lib_t
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127 /var/imap(/.*)?
128 /var/lib/imap(/.*)?
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130 cyrus_var_run_t
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132 /var/run/cyrus.*
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134 krb5_host_rcache_t
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136 /var/tmp/krb5_0.rcache2
137 /var/cache/krb5rcache(/.*)?
138 /var/tmp/nfs_0
139 /var/tmp/DNS_25
140 /var/tmp/host_0
141 /var/tmp/imap_0
142 /var/tmp/HTTP_23
143 /var/tmp/HTTP_48
144 /var/tmp/ldap_55
145 /var/tmp/ldap_487
146 /var/tmp/ldapmap1_0
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148 mail_spool_t
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150 /var/mail(/.*)?
151 /var/spool/imap(/.*)?
152 /var/spool/mail(/.*)?
153 /var/spool/smtpd(/.*)?
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155 root_t
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157 /sysroot/ostree/deploy/.*-atomic/deploy(/.*)?
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159 /initrd
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161 snmpd_var_lib_t
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163 /var/agentx(/.*)?
164 /var/net-snmp(/.*)
165 /var/lib/snmp(/.*)?
166 /var/net-snmp(/.*)?
167 /var/lib/net-snmp(/.*)?
168 /var/spool/snmptt(/.*)?
169 /usr/share/snmp/mibs/.index
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173 SELinux requires files to have an extended attribute to define the file
174 type.
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176 You can see the context of a file using the -Z option to ls
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178 Policy governs the access confined processes have to these files.
179 SELinux cyrus policy is very flexible allowing users to setup their
180 cyrus processes in as secure a method as possible.
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182 STANDARD FILE CONTEXT
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184 SELinux defines the file context types for the cyrus, if you wanted to
185 store files with these types in a diffent paths, you need to execute
186 the semanage command to specify alternate labeling and then use re‐
187 storecon to put the labels on disk.
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189 semanage fcontext -a -t cyrus_var_run_t '/srv/mycyrus_content(/.*)?'
190 restorecon -R -v /srv/mycyrus_content
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192 Note: SELinux often uses regular expressions to specify labels that
193 match multiple files.
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195 The following file types are defined for cyrus:
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199 cyrus_exec_t
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201 - Set files with the cyrus_exec_t type, if you want to transition an
202 executable to the cyrus_t domain.
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205 Paths:
206 /usr/lib/cyrus/master, /usr/libexec/cyrus-imapd/master,
207 /usr/lib/cyrus-imapd/cyrus-master, /usr/libexec/cyrus-imapd/cyrus-
208 master
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211 cyrus_initrc_exec_t
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213 - Set files with the cyrus_initrc_exec_t type, if you want to transi‐
214 tion an executable to the cyrus_initrc_t domain.
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218 cyrus_keytab_t
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220 - Set files with the cyrus_keytab_t type, if you want to treat the
221 files as kerberos keytab files.
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225 cyrus_tmp_t
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227 - Set files with the cyrus_tmp_t type, if you want to store cyrus tem‐
228 porary files in the /tmp directories.
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232 cyrus_var_lib_t
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234 - Set files with the cyrus_var_lib_t type, if you want to store the
235 cyrus files under the /var/lib directory.
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238 Paths:
239 /var/imap(/.*)?, /var/lib/imap(/.*)?
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242 cyrus_var_run_t
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244 - Set files with the cyrus_var_run_t type, if you want to store the
245 cyrus files under the /run or /var/run directory.
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249 Note: File context can be temporarily modified with the chcon command.
250 If you want to permanently change the file context you need to use the
251 semanage fcontext command. This will modify the SELinux labeling data‐
252 base. You will need to use restorecon to apply the labels.
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256 semanage fcontext can also be used to manipulate default file context
257 mappings.
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259 semanage permissive can also be used to manipulate whether or not a
260 process type is permissive.
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262 semanage module can also be used to enable/disable/install/remove pol‐
263 icy modules.
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265 semanage port can also be used to manipulate the port definitions
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267 semanage boolean can also be used to manipulate the booleans
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270 system-config-selinux is a GUI tool available to customize SELinux pol‐
271 icy settings.
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275 This manual page was auto-generated using sepolicy manpage .
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279 selinux(8), cyrus(8), semanage(8), restorecon(8), chcon(1), sepol‐
280 icy(8), setsebool(8)
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284cyrus 23-02-03 cyrus_selinux(8)