1denyhosts_selinux(8) SELinux Policy denyhosts denyhosts_selinux(8)
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6 denyhosts_selinux - Security Enhanced Linux Policy for the denyhosts
7 processes
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10 Security-Enhanced Linux secures the denyhosts processes via flexible
11 mandatory access control.
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13 The denyhosts processes execute with the denyhosts_t SELinux type. You
14 can check if you have these processes running by executing the ps com‐
15 mand with the -Z qualifier.
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17 For example:
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19 ps -eZ | grep denyhosts_t
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24 The denyhosts_t SELinux type can be entered via the denyhosts_exec_t
25 file type.
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27 The default entrypoint paths for the denyhosts_t domain are the follow‐
28 ing:
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30 /usr/bin/denyhosts.py
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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 denyhosts policy is very flexible allowing users to setup their deny‐
40 hosts processes in as secure a method as possible.
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42 The following process types are defined for denyhosts:
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44 denyhosts_t
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46 Note: semanage permissive -a denyhosts_t can be used to make the
47 process type denyhosts_t permissive. SELinux does not deny access to
48 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. deny‐
54 hosts policy is extremely flexible and has several booleans that allow
55 you to manipulate the policy and run denyhosts with the tightest access
56 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 allow all domains to execute in fips_mode, you must turn
69 on the fips_mode boolean. Enabled by default.
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71 setsebool -P fips_mode 1
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75 If you want to allow confined applications to run with kerberos, you
76 must turn on the kerberos_enabled boolean. Enabled by default.
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78 setsebool -P kerberos_enabled 1
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82 If you want to allow system to run with NIS, you must turn on the
83 nis_enabled boolean. Disabled by default.
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85 setsebool -P nis_enabled 1
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89 If you want to allow confined applications to use nscd shared memory,
90 you must turn on the nscd_use_shm boolean. Disabled by default.
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92 setsebool -P nscd_use_shm 1
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97 The SELinux process type denyhosts_t can manage files labeled with the
98 following file types. The paths listed are the default paths for these
99 file types. Note the processes UID still need to have DAC permissions.
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101 cluster_conf_t
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103 /etc/cluster(/.*)?
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105 cluster_var_lib_t
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107 /var/lib/pcsd(/.*)?
108 /var/lib/cluster(/.*)?
109 /var/lib/openais(/.*)?
110 /var/lib/pengine(/.*)?
111 /var/lib/corosync(/.*)?
112 /usr/lib/heartbeat(/.*)?
113 /var/lib/heartbeat(/.*)?
114 /var/lib/pacemaker(/.*)?
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116 cluster_var_run_t
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118 /var/run/crm(/.*)?
119 /var/run/cman_.*
120 /var/run/rsctmp(/.*)?
121 /var/run/aisexec.*
122 /var/run/heartbeat(/.*)?
123 /var/run/corosync-qnetd(/.*)?
124 /var/run/corosync-qdevice(/.*)?
125 /var/run/corosync.pid
126 /var/run/cpglockd.pid
127 /var/run/rgmanager.pid
128 /var/run/cluster/rgmanager.sk
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130 denyhosts_var_lib_t
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132 /var/lib/denyhosts(/.*)?
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134 denyhosts_var_lock_t
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136 /var/lock/subsys/denyhosts
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138 net_conf_t
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140 /etc/hosts[^/]*
141 /etc/yp.conf.*
142 /etc/denyhosts.*
143 /etc/hosts.deny.*
144 /etc/resolv.conf.*
145 /etc/.resolv.conf.*
146 /etc/resolv-secure.conf.*
147 /var/run/cloud-init(/.*)?
148 /var/run/systemd/network(/.*)?
149 /etc/sysconfig/networking(/.*)?
150 /etc/sysconfig/network-scripts(/.*)?
151 /etc/sysconfig/network-scripts/.*resolv.conf
152 /var/run/NetworkManager/resolv.conf.*
153 /etc/ethers
154 /etc/ntp.conf
155 /var/run/systemd/resolve/resolv.conf
156 /var/run/systemd/resolve/stub-resolv.conf
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158 root_t
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160 /sysroot/ostree/deploy/.*-atomic/deploy(/.*)?
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162 /initrd
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166 SELinux requires files to have an extended attribute to define the file
167 type.
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169 You can see the context of a file using the -Z option to ls
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171 Policy governs the access confined processes have to these files.
172 SELinux denyhosts policy is very flexible allowing users to setup their
173 denyhosts processes in as secure a method as possible.
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175 STANDARD FILE CONTEXT
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177 SELinux defines the file context types for the denyhosts, if you wanted
178 to store files with these types in a diffent paths, you need to execute
179 the semanage command to sepecify alternate labeling and then use
180 restorecon to put the labels on disk.
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182 semanage fcontext -a -t denyhosts_var_log_t '/srv/mydenyhosts_con‐
183 tent(/.*)?'
184 restorecon -R -v /srv/mydenyhosts_content
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186 Note: SELinux often uses regular expressions to specify labels that
187 match multiple files.
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189 The following file types are defined for denyhosts:
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193 denyhosts_exec_t
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195 - Set files with the denyhosts_exec_t type, if you want to transition
196 an executable to the denyhosts_t domain.
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200 denyhosts_initrc_exec_t
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202 - Set files with the denyhosts_initrc_exec_t type, if you want to tran‐
203 sition an executable to the denyhosts_initrc_t domain.
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207 denyhosts_var_lib_t
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209 - Set files with the denyhosts_var_lib_t type, if you want to store the
210 denyhosts files under the /var/lib directory.
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214 denyhosts_var_lock_t
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216 - Set files with the denyhosts_var_lock_t type, if you want to treat
217 the files as denyhosts var lock data, stored under the /var/lock direc‐
218 tory
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222 denyhosts_var_log_t
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224 - Set files with the denyhosts_var_log_t type, if you want to treat the
225 data as denyhosts var log data, usually stored under the /var/log
226 directory.
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230 Note: File context can be temporarily modified with the chcon command.
231 If you want to permanently change the file context you need to use the
232 semanage fcontext command. This will modify the SELinux labeling data‐
233 base. You will need to use restorecon to apply the labels.
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237 semanage fcontext can also be used to manipulate default file context
238 mappings.
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240 semanage permissive can also be used to manipulate whether or not a
241 process type is permissive.
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243 semanage module can also be used to enable/disable/install/remove pol‐
244 icy modules.
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246 semanage boolean can also be used to manipulate the booleans
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249 system-config-selinux is a GUI tool available to customize SELinux pol‐
250 icy settings.
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254 This manual page was auto-generated using sepolicy manpage .
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258 selinux(8), denyhosts(8), semanage(8), restorecon(8), chcon(1), sepol‐
259 icy(8), setsebool(8)
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263denyhosts 19-05-30 denyhosts_selinux(8)