openvpn_unconfined_script_selinux - Online Linux Manual PageSection : 8
Updated : 21-04-01
Source : openvpn_unconfined_script
Note : SELinux Policy openvpn_unconfined_script
NAMEopenvpn_unconfined_script_selinux − Security Enhanced Linux Policy for the openvpn_unconfined_script processes
DESCRIPTIONSecurity-Enhanced Linux secures the openvpn_unconfined_script processes via flexible mandatory access control. The openvpn_unconfined_script processes execute with the openvpn_unconfined_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 openvpn_unconfined_script_t
ENTRYPOINTSThe openvpn_unconfined_script_t SELinux type can be entered via the shell_exec_t, openvpn_unconfined_script_exec_t file types. The default entrypoint paths for the openvpn_unconfined_script_t domain are the following: /bin/d?ash, /bin/ksh.*, /bin/zsh.*, /usr/bin/d?ash, /usr/bin/ksh.*, /usr/bin/zsh.*, /bin/esh, /bin/bash, /bin/fish, /bin/mksh, /bin/sash, /bin/tcsh, /bin/yash, /bin/bash2, /usr/bin/esh, /sbin/nologin, /usr/bin/bash, /usr/bin/fish, /usr/bin/mksh, /usr/bin/sash, /usr/bin/tcsh, /usr/bin/yash, /usr/bin/bash2, /usr/sbin/sesh, /usr/sbin/smrsh, /usr/bin/scponly, /usr/libexec/sesh, /usr/sbin/nologin, /usr/bin/git-shell, /usr/sbin/scponlyc, /usr/libexec/sudo/sesh, /usr/bin/cockpit-bridge, /usr/libexec/cockpit-agent, /usr/libexec/git-core/git-shell, /etc/openvpn/scripts(/.*)?
PROCESS TYPESSELinux 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 openvpn_unconfined_script policy is very flexible allowing users to setup their openvpn_unconfined_script processes in as secure a method as possible. The following process types are defined for openvpn_unconfined_script: openvpn_unconfined_script_tNote: semanage permissive -a openvpn_unconfined_script_t can be used to make the process type openvpn_unconfined_script_t permissive. SELinux does not deny access to permissive process types, but the AVC (SELinux denials) messages are still generated.
BOOLEANSSELinux policy is customizable based on least access required. openvpn_unconfined_script policy is extremely flexible and has several booleans that allow you to manipulate the policy and run openvpn_unconfined_script with the tightest access possible. If you want to deny user domains applications to map a memory region as both executable and writable, this is dangerous and the executable should be reported in bugzilla, you must turn on the deny_execmem boolean. Enabled by default. setsebool -P deny_execmem 1
If you want to control the ability to mmap a low area of the address space, as configured by /proc/sys/vm/mmap_min_addr, you must turn on the mmap_low_allowed boolean. Disabled by default. setsebool -P mmap_low_allowed 1
If you want to disable kernel module loading, you must turn on the secure_mode_insmod boolean. Enabled by default. setsebool -P secure_mode_insmod 1
If you want to allow unconfined executables to make their heap memory executable. Doing this is a really bad idea. Probably indicates a badly coded executable, but could indicate an attack. This executable should be reported in bugzilla, you must turn on the selinuxuser_execheap boolean. Disabled by default. setsebool -P selinuxuser_execheap 1
If you want to allow unconfined executables to make their stack executable. This should never, ever be necessary. Probably indicates a badly coded executable, but could indicate an attack. This executable should be reported in bugzilla, you must turn on the selinuxuser_execstack boolean. Enabled by default. setsebool -P selinuxuser_execstack 1
MANAGED FILESThe SELinux process type openvpn_unconfined_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.
file_type all files on the system
FILE CONTEXTSSELinux 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 openvpn_unconfined_script policy is very flexible allowing users to setup their openvpn_unconfined_script processes in as secure a method as possible. The following file types are defined for openvpn_unconfined_script: openvpn_unconfined_script_exec_t- Set files with the openvpn_unconfined_script_exec_t type, if you want to transition an executable to the openvpn_unconfined_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.
COMMANDSsemanage 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. semanage boolean can also be used to manipulate the booleans system-config-selinux is a GUI tool available to customize SELinux policy settings.
AUTHORThis manual page was auto-generated using sepolicy manpage".
SEE ALSOselinux(8), openvpn_unconfined_script(8), semanage(8), restorecon(8), chcon(1), sepolicy(8), setsebool(8) 0
Johanes Gumabo
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