Content-type: text/html Manpage of cobblerd_selinux

cobblerd_selinux

Section: cobblerd SELinux Policy documentation (8)
Updated: cobblerd
Index Return to Main Contents

NAME

cobblerd_selinux - Security Enhanced Linux Policy for the cobblerd processes

DESCRIPTION

Security-Enhanced Linux secures the cobblerd processes via flexible mandatory access control.

BOOLEANS

SELinux policy is customizable based on least access required. cobblerd policy is extremely flexible and has several booleans that allow you to manipulate the policy and run cobblerd with the tightest access possible.

If you want to allow Cobbler to connect to the network using TCP, you must turn on the cobbler_can_network_connect boolean.

setsebool -P cobbler_can_network_connect 1

If you want to allow Cobbler to access nfs file systems, you must turn on the cobbler_use_nfs boolean.

setsebool -P cobbler_use_nfs 1

If you want to allow HTTPD scripts and modules to connect to cobbler over the network, you must turn on the httpd_can_network_connect_cobbler boolean.

setsebool -P httpd_can_network_connect_cobbler 1

If you want to allow Cobbler to access cifs file systems, you must turn on the cobbler_use_cifs boolean.

setsebool -P cobbler_use_cifs 1

NSSWITCH DOMAIN

SHARING FILES

If you want to share files with multiple domains (Apache, FTP, rsync, Samba), you can set a file context of public_content_t and public_content_rw_t. These context allow any of the above domains to read the content. If you want a particular domain to write to the public_content_rw_t domain, you must set the appropriate boolean.

Allow cobblerd servers to read the /var/cobblerd directory by adding the public_content_t file type to the directory and by restoring the file type.

semanage fcontext -a -t public_content_t "/var/cobblerd(/.*)?"
restorecon -F -R -v /var/cobblerd

Allow cobblerd servers to read and write /var/tmp/incoming by adding the public_content_rw_t type to the directory and by restoring the file type. This also requires the allow_cobblerdd_anon_write boolean to be set.

semanage fcontext -a -t public_content_rw_t "/var/cobblerd/incoming(/.*)?"
restorecon -F -R -v /var/cobblerd/incoming

If you want to allow Cobbler to modify public files used for public file transfer services., you must turn on the cobbler_anon_write boolean.

setsebool -P cobbler_anon_write 1

FILE CONTEXTS

SELinux requires files to have an extended attribute to define the file type.

You can see the context of a file using the -Z option to lsP Policy governs the access confined processes have to these files. SELinux cobblerd policy is very flexible allowing users to setup their cobblerd processes in as secure a method as possible.

The following file types are defined for cobblerd:

cobblerd_exec_t

- Set files with the cobblerd_exec_t type, if you want to transition an executable to the cobblerd_t domain.

cobblerd_initrc_exec_t

- Set files with the cobblerd_initrc_exec_t type, if you want to transition an executable to the cobblerd_initrc_t domain.

cobblerd_unit_file_t

- Set files with the cobblerd_unit_file_t type, if you want to treat the files as cobblerd unit content.

Note: File context can be temporarily modified with the chcon command. If you want to permanently change the file context you need to use the semanage fcontext command. This will modify the SELinux labeling database. You will need to use restorecon to apply the labels.

PORT TYPES

SELinux defines port types to represent TCP and UDP ports.

You can see the types associated with a port by using the following command:

semanage port -l

Policy governs the access confined processes have to these ports. SELinux cobblerd policy is very flexible allowing users to setup their cobblerd processes in as secure a method as possible.

The following port types are defined for cobblerd:

cobbler_port_t

Default Defined Ports

This document was created by man2html, using the manual pages.
Time: 19:30:33 GMT, September 30, 2012