httpd_suexec_selinux(8)

1httpd_suexec_selinux(8)   SELinux Policy httpd_suexec  httpd_suexec_selinux(8)
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NAME

6       httpd_suexec_selinux   -   Security   Enhanced  Linux  Policy  for  the
7       httpd_suexec processes
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DESCRIPTION

10       Security-Enhanced Linux secures the httpd_suexec processes via flexible
11       mandatory access control.
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13       The  httpd_suexec  processes  execute  with  the httpd_suexec_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 httpd_suexec_t
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ENTRYPOINTS

24       The    httpd_suexec_t   SELinux   type   can   be   entered   via   the
25       httpd_suexec_exec_t file type.
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27       The default entrypoint paths for the httpd_suexec_t domain are the fol‐
28       lowing:
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30       /usr/lib/apache(2)?/suexec(2)?,    /usr/lib/cgi-bin/(nph-)?cgiwrap(d)?,
31       /usr/sbin/suexec
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PROCESS TYPES

34       SELinux defines process types (domains) for each process running on the
35       system
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37       You can see the context of a process using the -Z option to ps
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39       Policy  governs  the  access confined processes have to files.  SELinux
40       httpd_suexec policy is very flexible  allowing  users  to  setup  their
41       httpd_suexec processes in as secure a method as possible.
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43       The following process types are defined for httpd_suexec:
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45       httpd_suexec_t
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47       Note:  semanage  permissive  -a  httpd_suexec_t can be used to make the
48       process type httpd_suexec_t permissive. SELinux does not deny access to
49       permissive  process  types,  but the AVC (SELinux denials) messages are
50       still generated.
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BOOLEANS

54       SELinux  policy  is  customizable  based  on  least  access   required.
55       httpd_suexec policy is extremely flexible and has several booleans that
56       allow you to manipulate the policy and run httpd_suexec with the tight‐
57       est access possible.
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61       If you want to allow all domains to execute in fips_mode, you must turn
62       on the fips_mode boolean. Enabled by default.
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64       setsebool -P fips_mode 1
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68       If you want to allow httpd to use built in scripting (usually php), you
69       must turn on the httpd_builtin_scripting boolean. Enabled by default.
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71       setsebool -P httpd_builtin_scripting 1
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75       If  you  want to allow HTTPD scripts and modules to connect to the net‐
76       work using TCP, you must turn on the httpd_can_network_connect boolean.
77       Disabled by default.
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79       setsebool -P httpd_can_network_connect 1
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83       If  you want to allow HTTPD scripts and modules to connect to databases
84       over the network, you must  turn  on  the  httpd_can_network_connect_db
85       boolean. Disabled by default.
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87       setsebool -P httpd_can_network_connect_db 1
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91       If  you  want  to  allow http daemon to send mail, you must turn on the
92       httpd_can_sendmail boolean. Disabled by default.
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94       setsebool -P httpd_can_sendmail 1
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98       If you want to allow httpd cgi support, you must turn on the  httpd_en‐
99       able_cgi boolean. Enabled by default.
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101       setsebool -P httpd_enable_cgi 1
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105       If  you  want to allow httpd to read home directories, you must turn on
106       the httpd_enable_homedirs boolean. Disabled by default.
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108       setsebool -P httpd_enable_homedirs 1
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112       If you want to allow httpd scripts and modules  execmem/execstack,  you
113       must turn on the httpd_execmem boolean. Disabled by default.
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115       setsebool -P httpd_execmem 1
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119       If  you  want to allow httpd to read user content, you must turn on the
120       httpd_read_user_content boolean. Disabled by default.
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122       setsebool -P httpd_read_user_content 1
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126       If you want to unify HTTPD to communicate with the terminal. Needed for
127       entering the passphrase for certificates at the terminal, you must turn
128       on the httpd_tty_comm boolean. Disabled by default.
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130       setsebool -P httpd_tty_comm 1
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134       If you want to unify HTTPD handling of all content files, you must turn
135       on the httpd_unified boolean. Disabled by default.
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137       setsebool -P httpd_unified 1
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141       If  you  want to allow httpd to access cifs file systems, you must turn
142       on the httpd_use_cifs boolean. Disabled by default.
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144       setsebool -P httpd_use_cifs 1
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148       If you want to allow httpd to access FUSE file systems, you  must  turn
149       on the httpd_use_fusefs boolean. Disabled by default.
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151       setsebool -P httpd_use_fusefs 1
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155       If you want to allow httpd to access nfs file systems, you must turn on
156       the httpd_use_nfs boolean. Disabled by default.
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158       setsebool -P httpd_use_nfs 1
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162       If you want to allow system to run with  NIS,  you  must  turn  on  the
163       nis_enabled boolean. Disabled by default.
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165       setsebool -P nis_enabled 1
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169       If  you  want  to  support  NFS  home directories, you must turn on the
170       use_nfs_home_dirs boolean. Disabled by default.
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172       setsebool -P use_nfs_home_dirs 1
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176       If you want to support SAMBA home directories, you  must  turn  on  the
177       use_samba_home_dirs boolean. Disabled by default.
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179       setsebool -P use_samba_home_dirs 1
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MANAGED FILES

184       The  SELinux  process type httpd_suexec_t can manage files labeled with
185       the following file types.  The paths listed are the default  paths  for
186       these  file  types.  Note the processes UID still need to have DAC per‐
187       missions.
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189       cifs_t
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192       fusefs_t
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194            /var/run/user/[0-9]+/gvfs
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196       httpd_suexec_tmp_t
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199       krb5_host_rcache_t
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201            /var/tmp/krb5_0.rcache2
202            /var/cache/krb5rcache(/.*)?
203            /var/tmp/nfs_0
204            /var/tmp/DNS_25
205            /var/tmp/host_0
206            /var/tmp/imap_0
207            /var/tmp/HTTP_23
208            /var/tmp/HTTP_48
209            /var/tmp/ldap_55
210            /var/tmp/ldap_487
211            /var/tmp/ldapmap1_0
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213       nfs_t
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FILE CONTEXTS

218       SELinux requires files to have an extended attribute to define the file
219       type.
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221       You can see the context of a file using the -Z option to ls
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223       Policy  governs  the  access  confined  processes  have to these files.
224       SELinux httpd_suexec policy is very flexible allowing  users  to  setup
225       their httpd_suexec processes in as secure a method as possible.
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227       STANDARD FILE CONTEXT
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229       SELinux  defines  the  file  context types for the httpd_suexec, if you
230       wanted to store files with these types in a different paths,  you  need
231       to  execute the semanage command to specify alternate labeling and then
232       use restorecon to put the labels on disk.
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234       semanage fcontext  -a  -t  httpd_suexec_exec_t  '/srv/httpd_suexec/con‐
235       tent(/.*)?'
236       restorecon -R -v /srv/myhttpd_suexec_content
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238       Note:  SELinux  often  uses  regular expressions to specify labels that
239       match multiple files.
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241       The following file types are defined for httpd_suexec:
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245       httpd_suexec_exec_t
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247       - Set files with the httpd_suexec_exec_t type, if you want  to  transi‐
248       tion an executable to the httpd_suexec_t domain.
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251       Paths:
252            /usr/lib/apache(2)?/suexec(2)?,       /usr/lib/cgi-bin/(nph-)?cgi‐
253            wrap(d)?, /usr/sbin/suexec
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256       httpd_suexec_tmp_t
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258       - Set files with the httpd_suexec_tmp_t type,  if  you  want  to  store
259       httpd suexec temporary files in the /tmp directories.
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263       Note:  File context can be temporarily modified with the chcon command.
264       If you want to permanently change the file context you need to use  the
265       semanage fcontext command.  This will modify the SELinux labeling data‐
266       base.  You will need to use restorecon to apply the labels.
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COMMANDS

270       semanage fcontext can also be used to manipulate default  file  context
271       mappings.
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273       semanage  permissive  can  also  be used to manipulate whether or not a
274       process type is permissive.
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276       semanage module can also be used to enable/disable/install/remove  pol‐
277       icy modules.
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279       semanage boolean can also be used to manipulate the booleans
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282       system-config-selinux is a GUI tool available to customize SELinux pol‐
283       icy settings.
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AUTHOR

287       This manual page was auto-generated using sepolicy manpage .
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