1postfix_showq_selinux(8) SELinux Policy postfix_showq postfix_showq_selinux(8)
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6 postfix_showq_selinux - Security Enhanced Linux Policy for the post‐
7 fix_showq processes
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10 Security-Enhanced Linux secures the postfix_showq processes via flexi‐
11 ble mandatory access control.
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13 The postfix_showq processes execute with the postfix_showq_t SELinux
14 type. You can check if you have these processes running by executing
15 the ps command with the -Z qualifier.
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17 For example:
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19 ps -eZ | grep postfix_showq_t
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24 The postfix_showq_t SELinux type can be entered via the post‐
25 fix_showq_exec_t file type.
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27 The default entrypoint paths for the postfix_showq_t domain are the
28 following:
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30 /usr/libexec/postfix/showq
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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 postfix_showq policy is very flexible allowing users to setup their
40 postfix_showq processes in as secure a method as possible.
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42 The following process types are defined for postfix_showq:
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44 postfix_showq_t
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46 Note: semanage permissive -a postfix_showq_t can be used to make the
47 process type postfix_showq_t permissive. SELinux does not deny access
48 to permissive process types, but the AVC (SELinux denials) messages are
49 still generated.
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53 SELinux policy is customizable based on least access required. post‐
54 fix_showq policy is extremely flexible and has several booleans that
55 allow you to manipulate the policy and run postfix_showq with the
56 tightest access possible.
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60 If you want to allow all domains to execute in fips_mode, you must turn
61 on the fips_mode boolean. Enabled by default.
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63 setsebool -P fips_mode 1
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67 If you want to allow system to run with NIS, you must turn on the
68 nis_enabled boolean. Disabled by default.
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70 setsebool -P nis_enabled 1
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75 The SELinux process type postfix_showq_t can manage files labeled with
76 the following file types. The paths listed are the default paths for
77 these file types. Note the processes UID still need to have DAC per‐
78 missions.
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80 krb5_host_rcache_t
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82 /var/tmp/krb5_0.rcache2
83 /var/cache/krb5rcache(/.*)?
84 /var/tmp/nfs_0
85 /var/tmp/DNS_25
86 /var/tmp/host_0
87 /var/tmp/imap_0
88 /var/tmp/HTTP_23
89 /var/tmp/HTTP_48
90 /var/tmp/ldap_55
91 /var/tmp/ldap_487
92 /var/tmp/ldapmap1_0
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94 postfix_var_run_t
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96 /var/spool/postfix/pid/.*
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100 SELinux requires files to have an extended attribute to define the file
101 type.
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103 You can see the context of a file using the -Z option to ls
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105 Policy governs the access confined processes have to these files.
106 SELinux postfix_showq policy is very flexible allowing users to setup
107 their postfix_showq processes in as secure a method as possible.
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109 STANDARD FILE CONTEXT
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111 SELinux defines the file context types for the postfix_showq, if you
112 wanted to store files with these types in a different paths, you need
113 to execute the semanage command to specify alternate labeling and then
114 use restorecon to put the labels on disk.
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116 semanage fcontext -a -t postfix_showq_exec_t '/srv/postfix_showq/con‐
117 tent(/.*)?'
118 restorecon -R -v /srv/mypostfix_showq_content
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120 Note: SELinux often uses regular expressions to specify labels that
121 match multiple files.
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123 The following file types are defined for postfix_showq:
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127 postfix_showq_exec_t
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129 - Set files with the postfix_showq_exec_t type, if you want to transi‐
130 tion an executable to the postfix_showq_t domain.
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134 Note: File context can be temporarily modified with the chcon command.
135 If you want to permanently change the file context you need to use the
136 semanage fcontext command. This will modify the SELinux labeling data‐
137 base. You will need to use restorecon to apply the labels.
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141 semanage fcontext can also be used to manipulate default file context
142 mappings.
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144 semanage permissive can also be used to manipulate whether or not a
145 process type is permissive.
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147 semanage module can also be used to enable/disable/install/remove pol‐
148 icy modules.
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150 semanage boolean can also be used to manipulate the booleans
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153 system-config-selinux is a GUI tool available to customize SELinux pol‐
154 icy settings.
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158 This manual page was auto-generated using sepolicy manpage .
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162 selinux(8), postfix_showq(8), semanage(8), restorecon(8), chcon(1), se‐
163 policy(8), setsebool(8)
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167postfix_showq 23-12-15 postfix_showq_selinux(8)