httpd_squid_script_selinux(8) - Linux man page

Name

httpd_squid_script_selinux - Security Enhanced Linux Policy for the httpd_squid_script processes

Description

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

The httpd_squid_script processes execute with the httpd_squid_script_t SELinux type. You can check if you have these processes running by executing the ps command with the -Z qualifier.

For example:

ps -eZ | grep httpd_squid_script_t

Entrypoints

The httpd_squid_script_t SELinux type can be entered via the "httpd_squid_script_exec_t,shell_exec_t,httpd_squid_script_exec_t" file types. The default entrypoint paths for the httpd_squid_script_t domain are the following:"

/usr/lib/squid/cachemgr.cgi, /usr/lib64/squid/cachemgr.cgi, /bin/d?ash, /bin/zsh.*, /bin/ksh.*, /bin/yash, /bin/mksh, /bin/sash, /bin/tcsh, /bin/bash, /bin/fish, /bin/bash2, /usr/bin/fish, /sbin/nologin, /usr/sbin/sesh, /usr/sbin/smrsh, /usr/bin/scponly, /usr/libexec/sesh, /usr/sbin/scponlyc, /usr/bin/git-shell, /usr/libexec/git-core/git-shell, /usr/lib/squid/cachemgr.cgi, /usr/lib64/squid/cachemgr.cgi

Process Types

SELinux defines process types (domains) for each process running on the system

You can see the context of a process using the -Z option to ps

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

The following process types are defined for httpd_squid_script:

httpd_squid_script_t

Note: semanage permissive -a httpd_squid_script_t

can be used to make the process type httpd_squid_script_t permissive. Permissive process types are not denied access by SELinux. AVC messages will still be generated.

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 ls

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

The following file types are defined for httpd_squid_script:

httpd_squid_script_exec_t

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

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.

Managed Files

The SELinux process type httpd_squid_script_t can manage files labeled with the following file types. The paths listed are the default paths for these file types. Note the processes UID still need to have DAC permissions.

httpd_squid_rw_content_t

initrc_tmp_t

mnt_t

/mnt(/[^/]*)

/mnt(/[^/]*)?

/rhev(/[^/]*)?

/media(/[^/]*)

/media(/[^/]*)?

/etc/rhgb(/.*)?

/media/.hal-.*

/net

/afs

/misc

/rhev

tmp_t

/tmp

/usr/tmp

/var/tmp

/var/tmp/vi.recover

Commands

semanage fcontext can also be used to manipulate default file context mappings.

semanage permissive can also be used to manipulate whether or not a process type is permissive.

semanage module can also be used to enable/disable/install/remove policy modules.

system-config-selinux is a GUI tool available to customize SELinux policy settings.

Author

This manual page was auto-generated using sepolicy manpage by mgrepl.